252 BULLETIN 58, UNITED STATES NATIONAL MUSEUM. 



(Stanovoi Mts. ; Niklayevsk, Amur; Sakhalin); Ann. Mag. Nat. Hist. (6), 

 V, Feb., 1890, p. 138 (Amuiiand). — Nikolski, Zap. Imp. Akad. Nauk, 

 S. Peterburg, LX, Prilozh., No. 5, 1889, p. 291 (Sakhalin); Zap. Imp. 

 Akad. Nauk, S. Peterburg (8), XVII, no. 1, 1905, p. 115 (Europ. and Asiat. 

 Russia; Sakhalin). — Lacerla (Zootoca) vivipara Middendorpf, Sibir. 

 Reise, II, ii, Pt. 1, 1853, p. 247 (Stanovoi Mts.; Aldan Riv.). — Zootoca 

 vivipara Maack, Putesh. na Amur, 1859 (p. 152) (Amurland); Putesh. na 

 Ussuri, 1801, (p. 189) (Ussuri Valley). 



The numerous synonyms based npon European specimens are here 

 omitted. 



Description. — Adtdt femnle;'U.S.'NM. No. 14.385; Sakhahn Island; 

 St. Petersburg- Academy (figs. 220-222). Rostral pentagonal, not 

 entering nostril, not in contact with internasal ; nostril round, between 

 two nasals; siipranasals in contact behind rostral, also in contact with 

 first siipralabial, and anterior loreal ; postnasal not in contact with sec- 

 ond siipralabial; anterior loreal high and narrow, in contact with sup- 

 ranasal, internasal, and prefrontal ; posterior loreal twice as large as 

 anterior; internasal much wider than long, not in contact with poste- 



221 



Figs. 320-222.— Lacerta vivipara. 2xnat. size. 220, top of head; 221, side of head; 222, femoral 

 PORES and anal region. No. 14385, U.S.N.M. 



rior loreal, prefrontals smaller than fronto-parietals, in contact with 

 first and second supraoculars; frontal hexagonal, with parallel sides, 

 slightly longer than its distance from rostral, and equaling the length 

 of the parietals; four supraoculars, anterior and posterior very small, 

 all in contact throughout with superciliaries ; first supraocular in con- 

 tact with posterior loreal, second with prefrontal, third with frontal, 

 and fourth with fronto-parietal; four superciliaries on one side, six 

 on the other; fronto-parietals larger than prefrontals; interparietal 

 pentagonal, twice as large as posterior supraocular, broadly in contact 

 behind with occipital, which is slightly larger than posterior supra- 

 ocular, hexagonal, and slightly protruding behind parietals; pari- 

 etals not in contact, their external edge bordered by three small scutes 

 not speciall}^ differentiated from the temporals; seven supralabials on 

 left side, six on right, fifth or fourth, respectively, longer and higher 

 than the others directly under the eye; temporals large, flat irregularh* 

 polygonal scutes, about four in a row between orbit and ear-opening, 



