14 EINAR LÖNNBERG, REPTII.ES. 



Lacertidae. 



Lacerta jacksoni kibonotensis Lönnb. 



Blgr. : Proc. Zool. Soc. 1899, p. 96, & Lönnb.: Wiss. Ergebn. Schw. Zool. Exp. Kilimandjaro, 4 Reptilia, 

 p. 5. Upsala 1907. 



A specimen of Jackson's Lizard obtained at Meru borna 31 /i 1911 exhibits the 

 same type as the specimens which were described from Kilimandjaro 1907 by the 

 present author (1. c.). It has thns only 8 plates in the collar, and the temporal 

 scales are larger than in the type-specimen of Lacerta jacksoni Blgr. There are only 

 5 — 6 scales in a row between the labials and the parietal, and the temporal scaJes 

 are distinctly keeled. The tympanic plate as well is distinctly larger than in the type 

 of L. jacksoni. The ventrals form 22 transverse series. The number of femoral pores 

 is 17 — 18. The head of the specimen from Meru borna is perhaps a little smaller 

 and narrower the preocular region being more constricted than in the specimens from 

 Kilimandjaro. 



When alive this lizard is more or less greenish above and on the head and tail. 

 The present specimen has the lower surface bluish green with the anal region and the 

 lower side of the hindlegs rich yellow. 



When visiting Escarpment station in January I saw once or twice greenheaded 

 and more or less greenbacked lizards rim up on the trunks of big cedar trees. I 

 had unfortimately no means of securing them but I have no doubt that they were 

 Jackson's Lizards. 



Boulenger has recently described 1 a female of Jackson's Lizard obtained from 

 the eastern slopes of Ruwenzori at an altitude of 8,500 feet and Peracca 2 has de- 

 scribed several specimens collected in Toro east of Ruwenzori by the expedition of 

 the Duke of the Abruzzes. By these discoveries and the present statements it is 

 made evident that Jackson's Lizard is distributed över a very great part of the 

 interiör of East Africa, where there is a forest vegetation which is not too dense, 

 and other suitable conditions. It is also probable that when a sufficient number of 

 specimens has been obtained from different localities it will prove to have developed 

 local varieties in the same way as its European relatives. It appears also very pos- 

 sible that Lacerta vaureselli Tornier from the forest east of Kagera river, and east 

 of Victoria Nyanza is such a local race, which may be connected with the typical 

 form by intermediate varieties as already to some extent is done. For instance with 

 regard to the size and structure of the temporal scales such an intermediate position 

 is occupied by L. j. kibonotensis, and in Boulenger's specimen from Ruwenzori the 

 number of granules between supraciliaries and supraoculars appear to be even more 

 reduced than in Ij. vaureselli. The number of transverse series of ventrals 3 in the 

 latter is the same as that in the specimen from Meru borna, and so on. 



1 Träns. Zool. Soc. Vol. XIX, Pari 3, i>. 242. 



3 11 Ruwenzori Rel. scientif. vol. I zool. Reptili cd amfibi, p. '2. 



:i Although not the number of scutes in each series. 



