350 



BULLETIN 58, UNITED STATES NATIONAL MUSEUM. 



Strauch, in Przewalski's Mongolij^a i Strana Tangutov, III, 1876, p. 46, 

 pi. VIII { Ala-shan Desert). — Mueller, Verh. Naturf. Ges. Basel, VII, Pt. 3, 

 1885, p. 681 (Mongolia). — Boulenger, Cat. Snakes Brit. Mus., I, 1893, 

 p. 394 (Korea; north China; Hainan). — Wall, Proc. Zool. Soc. London, 

 1903, p. 91 (Yangtse Valley; Huangtsun, N. China). — Werner, A))h. 

 Bayer. Akad. Wiss. (Muenchen), II Klasse, XXII, Pt. 2, 1904, p. 355 

 (Tsingtau, China). — Nikolski, Zap. Imp. Akad. Nauk, 8. Peterburg (8), 

 XVII, No. 1, 1905, p. 226 (Ala-shan; Ordos). 



1866. Zamenis bocourti Jan, Nouv. Arch. Mus., Paris, II. 1866, Bull., p. 6 (type- 



locality, Siam; type in Paris Mus.; Bocourt, collector). 



1867. Zamenis cataphoranotus Jak, Icon. Ophid., livr. 23, pi. ii, fig. 2 a (type- 



locality, Bangkok, Siam; type in Paris Mus.). 



There being no specimen of this species in our collection, I give the 

 following somewhat condensed account of the tj^pe specimen derived 

 from Doctor Peters's original description. 



i>esmpfion (figs. 301-303). — Adult; BerlinMnseum; type; "Mexico" 

 (erroneously). Snout projecting, rounded; prefrontals broader than 

 long, not longer than internasals; frontal very long, anteriorly broad 

 and very obtusely angulate, the lateral outline forming a shallow con- 

 cavity, posteriorly forming an acute angle with rounded apex ; supra- 



302 



Figs. 301-303.— Zamenis spinalis. Enlarged. 301, top of head; 302, side of head; 303, under- 

 side OF HEAD. From Jan, Icon. Ophid., liv. 23, pl. ii, fig. 2. 



oculars anteriorly narrower than behind, where they are broader than 

 the frontal at the same point; ])arietals scarcely longer than frontal, 

 rounded behind; nostril between the upper ]:)art of the two nasals; 

 loreal trapezoid, longer than high; preocular not in contact with 

 frontal; one subpreocular; two ])ostorbitals; temporals 2 + 2 on left 

 side, 1 -f 2 on right, the upper anterior temjjoral on this side being- 

 coalesced with the parietal; eight supralabials, fourth and fifth enter- 

 ing eye; five lower labials in contact with chin-shields, of which the 

 posterior are slightly longer than the anterior; 17 rows of smooth 

 scales; 203 ventrals; anal divided; 96 pairs of subcaudals. Color, 

 above olive greemsh brown; a yellow black-bordered longitudinal 

 line beginning near the anterior end of the frontal alons; the middle of 



a See this work, figs. 301-303. 



