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The final part of a series of papers on the lizards of the Caucasus, that have been published in previous years. The paper reports on the life habits, capture and keeping in terraria of several lizards of Soviet Transcaucasia. In these respects the agamid Phrynocephalus helioscopus persi- cus and three species of the lacertid genus Eremias occuring in that area (i. e. strauchi, velox, pleskei) are discussed. Finally a !ist of all lizard species and subspecies actually known to occur in this region is given.

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In Georgia, 16 species of rock lizards of the Genus Darevskia are occuring (D. alpina, D. „armeniaca`, D. brauneri, D. caucasica, D. clarkorum, D. daghestanica, D. „dahli`, D. derjugini, D. mixta, D. nairensis, D. parvula, D. portschinskii, D. praticola, D. rudis, D. „unisexualis` and D. Valentini). Besides short presentations of the single species and hints on their distribution and habitats, also some systematic remarks are given.

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In the herpetological collection of ZFMK 528 scientific species group names are represented by type materi- al. Of these, 304 names are documented by primary type specimens (onomatophores) while for 224 further names sec- ondary type specimens (typoids) are available, ranging chronologically from 1801 to 2010. The list is a shortened pred- ecessor of a comprehensive type catalogue in progress. It lists name bearing types with their catalogue numbers includ- ing information on further type series members also in other institutions, while secondary types are listed only by pres- ence, both in ZFMK and other collections including holotype repositories. Geographic origin and currently valid names are also provided.

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1. Reinvestigation of the syntypes of Lacerta rudis BEDRIAGA 1886 (=nomen novum pro Lacerta depressa CAMERANO 1878, cf. BuDAK & BöHME 1977) and the comparison with a topotypical series show, that only one form is involved. As lectotype for the species, thus for the nominate form, too, the cf` specimen MIZS (Torino) 2737:1 is designated. 2. The populations of NE-Anatolia and Transcaucasia, so far misinterpreted as being the nominate form, represent a distinct form and are described as Lacerta rudis bischoffi n. subsp.

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Many regions of the former USSR still re- ceive little attention from Western visitors, herpetologists not excluded. For the Cau- casus Mountains this is all the more sur- prising since the area forms a zone where northern and Middle Eastern flora and fauna meet, and which is thus of considera- bly zoogeographical interest. Presently we find three larger states in the Caucasus: Georgia, Azerbaijan and Arme- nia. Turkey borders to the southwest, Iran to the southeast, and in the north it is the Russian federation. Various smaller parts claim independence. The Black Sea forms the natural western boundary, the Caspian Sea the eastern one. Herpetologically the Caucasus is historically well-known because of the work of Darev- sky and collaborators on the rock lizards (at the time still in the large genus Lacerta, now in Darevskia) and the discovery of the first case of parthenogenesis in vertebrates (DAREVSKY, 1967; DAREVSKII, 1978; DAREVSKY & KULIKOVA, 1961). Below we will concentrate on the results of our field trip to Georgia during the last two weeks of June 2003. Predictably, because of our common interest in the group, the lacertids will receive the most attention.

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A phylogenetic-comparative approach was used to assess and refine existing secondary structure models for a frequently studied region of the mitochondrial encoded large subunit (16S) rRNA in two large lizard lineages within the Scincomorpha, namely the Scincidae and the Lacertidae. Potential pairings and mutual information were analyzed to identify site interactions present within each lineage and provide consensus secondary structures. Many of the interactions proposed by previous models were supported, but several refinements were possible. The consensus structures allowed a detailed analysis of rRNA sequence evolution. Phylogenetic trees were inferred from Bayesian analyses of all sites, and the topologies used for maximum likelihood estimation of sequence evolution parameters. Assigning gamma-distributed relative rate categories to all interacting sites that were homologous between lineages revealed substantial differences between helices. In both lineages, sites within helix G2 were mostly conserved, while those within helix E18 evolved rapidly. Clear evidence of substantial site-specific rate variation (covarion-like evolution) was also detected, although this was not strongly associated with specific helices. This study, in conjunction with comparable findings on different, higher-level taxa, supports the ubiquitous nature of site-specific rate variation in this gene and justifies the incorporation of covarion models in phylogenetic inference.

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The paper provides data on the current location of the type specimens of Darevskia (rudis) complex as of July 2017: Podarcis depressa Camerano, 1878 (syntypes – MZUT R2737.1-3, NHM 1946.9.1.31-32), Lacerta depressa var. rudis Bedriaga, 1886 (lectotype – MZUT 2737.1, paralectotypes – MZUT 2737.2-3, NHM 1946.9.1.32), Lacerta depressa var. modesta Bedriaga, 1886 (syntype – NHM 1946.9.1.31), Lacerta saxicola Subsp. bithynica Méhely, 1909 (lectotype [here designated] – ZISP 17128, paralectotype – NMW 11685), Lacerta saxicola tristis Lantz et Cyrén, 1936 (lectotype – GNM 2481, paralectotypes – GNM 2482-2485, 2487 and GNM one unnumbered specimen), Lacerta saxicola obscura Lantz et Cyrén, 1936 (lectotype [here designated] – ZISP ZISP 17171.1, paralectotypes – NHM 1966.769.773, ZISP 14435, 14436, 14437, 14438, 14439, 14440, 14442, 15402, 16290, 17057.1- 3, 17058, 17059.1-3, 17171.2-26, 17172.1-15), Lacerta rudis macromaculata Darevsky, 1967 (holotype – ZISP 17940.6, paratypes – ZISP 17440.1-18, the location of three paratypes is unknown), Lacerta rudis bischoffi Böhme et Budak, 1977 (holotype – ZDEU 183/977, paratypes – ZDEU 222/976:1, 3-6, 8-9, ZDEU 183/977.2-10, ZFMK 22062.63), Lacerta rudis svanetica Darevsky et Eiselt, 1980 (holotype – ZISP 17875.1, paratypes – ZISP 17875.2-8, 17814.1-18, NMW 24138.1-6), Lacerta rudis chechenica Eiselt et Darevsky, 1991 (holotype – NMW 33504.1, paratypes – ZISP 17878.1-13, 17882.2-4, ZISP 18374.1-5, 18781.1-6, 19545.1-13, ZFMK 16448.52, 29262, 38037.45, 40431-33, NMW 32619.1,2, 33504.2,4,5), Darevskia rudis mirabilis Arribas, Ilgaz, Kumlutaş, Durmuş, Avci et Üzüm, 2013 (holotype – ZDEU 145/2002.9, paratypes – ZDEU 145/2002.1-8, 10-18, O. Arribas private collection (1-6)), Darevskia rudis bolkardaghica Arribas, Ilgaz, Kumlutaş, Durmuş, Avci et Üzüm, 2013 (holotype – ZDEU 144/2009.6, paratypes – ZDEU 144/2009.1-5, 7-8, O. Arribas private collection (1-4)). Strictly following the ICZN the name Lacerta depressa var. rudis Bedriaga, 1886 should not be considered as the replacement name (nomen novum) for Podarcis depressa Camerano, 1878, but the only available name. The history of description of all known forms of the complex is given. Localities, collectors and dates of collection of the type specimens are clarified.

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Conventional and multivariate taxonomic methods allow the description of a new subspecies of Lacerta rudis BEDRIAGA from the Central Caucasus: L. rudis chechenica ssp. n. - In this connection the intraspecific relations between the northeastern groupings of Lacerta rudis are demonstrated. - The data-analyses used are described.

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Eggs of Lacerta rudis bischoffi developed norrnally at fluctuiating, temperatures from 13,4°C to almost 40°C in an outdoor terrarium.

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Investigated the albumins from 31 species and subspecies of the genus Lacerta s.1. by means of the immunoloical techniue Micro-Complement-fixation. Dendrograms were computed by means of the ktch-MargJiash algorithm. Moreover the taxa of the Lacerta saxicola and the Lacerta danfordi comlexes were analyzed by electrophoresis concerning 14 genetic loci. The results were discussel together with karyological and genitalmorphological data so far known yielding the following relationships: Lacerta graeca shows a closer relationshi to the subgenus Podarcis as does the quite closely related species air L. dugesii and L. perspicikata. Lacerta Iaevis probabl is connected closely to Podarcis, too. Lacerta parva shows a closer relationship to the `small izards` than to the sub-genus Lacerta s. str. A clear decision concerning the position of the Lacerta danfordi complex according to chemosystematical data was not possible. It is isolated from the other species probably about as long as L. puma. Biochemical differences between its `species` are too small to confirm their taxonomical revalorisation by Eiselt and Schmidtler Within the Lacerta saxicola complex the investigated taxa show a close relationship. Lacerta praticola and L. derjugini were definitly assigned to this group.

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After a brief description of Georgia’s landscape the author reports on the lizards of the family Lacertidae that were found during a herpetological trip in May 2012. In addition, a list of the recorded herpetological taxa is presented.

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The taxonomic categories such as population and subspecies were studied on the example of three Caucasian lizard species of genus Darevskia - D. praticola, D. derjugini, and D. rudis by comparing the morphological data and results inferred from nuclear DNA markers. RAPD and new inter-MIR-PCR (IM-PCR) methods were used. The IM-PCR was used to characterize the lacertid DNA fragments located between dispersed SINE type repeats which occurred to be ortologous to mammalian repeats of the same type. It was shown that separation of the Northern population of D. derjugini (subspecies silvatica) is supported by the comparison with two Southern populations (derjugini and barani). The latter ones, in their turn, are very similar and hardly can be considered as good subspecies by the genetic distance. The subspecific division of D. praticola (praticola and pontica) also requires more specification. For example, several populations from North Caucasus (ssp. praticola) occurred to be heterogeneous. The level of differences between ssp. praticola and pontica is of the same order as in some of the praticola populations. Low level of molecular differences between two subspecies of D. rudis (obscura and bischoffi) does not confirm their validity as a full subspecies.

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The results of five expeditions (1995, 1996, 2007, 2011, and 2012) to the north-eastern and eastern Turkey are presented. These data were collected from the Pontic (Lazistan) Ridge, Choroch River basin, and the upper flow basins of the Aras River, Kura River, Euphrates River, Tiger River, Dogankent (Kharshit) River, and the Van Lake basin. In total, 2 Caudata, 6 Anura, 2 Testudines (3 subspecies), 25 Sauria (30 subspecies) and 21 Serpentes species were found.