140 
ZOOLOGICAL LITERATURE. 
erroneous name of] PI. 3. Toxodon mici'olepis, PI. 4. P/rt- 
giodon helena and erythrurus. PI. 6. Bothrophthalmus melanozostiis, sp. n., 
Schleg. [probably = B, hrunnettSy var.]. PI. 6 . Masticophis jiagdliformh 
(Holbr.), with var. testacea (Say). 
No. 21. plate 1. Elaphis virgatus. PI. 2. Elaphis sauromatcs. PI. 3. Ela- 
phk dione. Pis. 4 & 5. Elaphis melanuruSy with variety. PI. 0. [Coluber'] 
Elaphis guttatus, with variety. 
No. 22. plate 1. Pituophis melanoleucus. PI. 2. Pitiiophis mexicanus and 
deppii [an spec, distinctae ?]. Pis. 3 & 4. Coryphodon constrictor. PI. 6, 
Masticophis tceniatus. PI. 6. \Zamenis] Masticophis mexicanus and Mastico- 
phis hilineatuSy sp. n., Jan, from Mexico. 
No. 23. plate 1. Zamenis caspicus. PI. 2. Zamenis persicusy sp. n., Jan 
[probably = Z. chesnci]j and Zamenis cataphoronotusy sp. n., from Bangkok 
[?]. PI. 3. Zamenis caudolmeatus. PI. 4. Dromicus ater. PI. 5. Eromicus 
cursor. PI. 6 . Dro7nicus angulifer. 
No. 24. plate 1. Elaphis quadrivirgatuseca^ Coluber CBSCulapii. PI. 2. Coluber 
alleghanimsis. PI. 3. Coryphodon pantherinus and Ptyas blumenbachii. PI. 4. 
\Zaocys iiigromai'ginatus under the erroneous name of] Coi'iyphodon dhum- 
nadeSy and Ptyas Jcorros. PI. 6. Dromicus pldiy fig. 1 j D. amabilis (Jan), 
fig. 2 j D. melanostigma (Wagl.), fig. 3. PI. 0. D. 7iuntius (Jan), fig. 1 ] D. 
unicolory fig. 2j D.putnami (Jan), fig. 3j D. lineatusy fig. 4. Great caution 
is necessary in adopting these determinations of the Dromiciy the authors 
having been quite incapable of determining the numerous species of this 
genus whenever they had no authenticated specimens for the use of their 
work. 
Chilomeniscus ephippicus, sp. n., Cope, Proc. Ac. Nat. Sc. Philad. 1867, 
p. 85, from Owen’s valley, California. 
Psammopjhylax rhoinbeatics. Dr. Bocage has received an example from Ben- 
guella, which he refers with doubt to this species. It has the coloration of 
Ps. rhombeatusy but the cephalic shields of Coronella muUimactdata. Jorn. 
Sc. Math. Phys. e Nat. Lisboa, iii. p. 224. 
Liophispulchery sp. n., Steindachner, Sitzgsber. Ak. "Wiss. Wien, 1867, Iv. 
p. 265, taf. 2, from Chile. 
Liophis regince. Dr. Steindachner describes a variety, ibid. p. 266. 
Colubet' cescxdapii. Skeleton described by Giebel, Zeitschr. ges. Ntrwiss. 
1867, xxix. p. 418. 
Spilotes variabilis. Skeleton described by Giebel, 1. c. 
Spilotes corais. Dr. Steindachner describes this most common snake as 
Gcoptyasjiaviventrisy sp. n., 1. c. p. 270, taf. 4 \ and the variety named by Du- 
m^ril and Bibron Sp. melanuruSy as a second supposed new species, Geoptyas 
collarisy p. 269, taf. 3. figs. 4-7. 
Zamenis himalayanusy sp. n., Steindachner, Verhandl. zool.-bot. Ges. Wien, 
1867, p. 513, taf. 13. figs. 1-3, from Simla and Kulu.* 
Dromicus chilensisy sp. n., Steindachner, Sitzgsber. Ak. Wiss. Wien, 1867, 
Iv. p. 268, taf. 3. figs. 1-3. — Scales in 23 rows. 
Ileterodon histricusy var. (Steindachner, 1864), is named Ileterodon nattcreriy 
Steindachner, Novara, Bept. p. 90. 
Homalopsid/e. 
Tachyplotusy g. n., opisthoglyphum. . Scales smooth, in 25 series ; labial 
