72 
KEPTILIA. 
Silyhura canarica^ sp. n., Beddome; 1. c. 1870. 
Calarnaria (TyphlocalamuSj g. n.) gracillima, sp. n., Giinther, P. Z. S. 1872, 
p. 694, pi. 39. fig. A, Sarawak. 
Calarnaria beccarii, sp. n., Peters, Ann. Mus. Genov, iii. p. 34, Sarawak. 
— C. hitorques, sp. n., Petera, Berl. MB. 1872, p. 585, Philippines. 
Simotes suhcarinatusj sp. n., Gunther, P. Z. S. 1872, p. 595, pi. 39. fig. B, 
Sarawak.^ — Simotes formosanus, sp. n., Giinther, A. & M. N. H. 1872, ix. p. 20. 
Geophis latifrons. Varieties noticed by Giinther, 1. c. p. 15. 
Geophis lineatus=i Wiahdosoma trivirgatum (Jan) and =12. punctovittatum 
(Jan). Gunther, 1. c. 
Geophis mcestusj sp. n., Gunther, 1. c., Costa Rica. — Colohognathus hrachy^ 
oephaluSj sp. n.. Cope, Proc. Ac. Nat. Sc. Philad. 1871, p, 211, Costa Rica. 
Catostoma chalybanim (Wagl.). Varieties noticed by Gunther, 1. c. p. 16. — 
To this species may belong Colobognathus dolichocephaluSy described by Cope 
as a new species from Costa Rica, /. o. p. 211. 
Stmognathus brevirostrisj sp. n,, Peters, Berl. MB. 1872, p. 586, Philip- 
pines. 
LeptocalamuSy g. n. Calamarid., Gunther, A. & M. N. H. 1872, ix. p. 16. 
Body and tail slender, subcylindrical ; head narrow, not distinct from neck. 
Two pairs of frontals, rostrals rounded. Nostrils small, between two nasals. 
Loreal united with prteocular j two postoculars. Eyes small. Scales smooth, 
in 17 rows. Anal and subcaudals double. The posterior maxillary tooth 
(1-3) is large, trenchant, not grooved, separated from the others by a small 
interspace. — Z. torquatus, sp. n., p. 17, pi. 3. fig. A, South America. 
Opisthotropis, g. n. Calamarid., Giinther, A. & M. N. II. 1872, ix. p. 16. 
Body and tail moderately slender, posteriorly somewhat compressed j head 
rather narrow, not distinct from neck. A pair of anterior frontals ; a single 
postfrontal, which is very broad. Rostrals rounded. Nostrils between two 
nasals, directed upwards. One loreal j one ante-, two postoculars. Eyes 
small. Scales smooth anteriorly, with faint keels towards the middle of the 
body, and strongly keeled behind and on the tail, in 17 rows. Anal and 
subcaudals double. Maxillary teeth equal in length, densely set, none 
grooved. — O. ater, sp. n., pi. 3. fig. B, West Africa. 
Microdromus, g. n. Calamarid., Gunther, A. & M. N. II. ix. p. 17. Phy- 
siognomy and habit as in Elapomorphus and Homaloa'anium. Head small, 
depressed, not distinct from neck. Eyes rather small. Upper shields of the 
head normal. Loreal none, replaced by the conjunction of the nasal, pos- 
terior frontal, and pr£eocular. Nasal simple. Scales smooth, with apical 
groove, in 16 rows. Anal and subcaudal double. The last maxillary tooth 
is the largest, separated from the others by an interspace, and smooth. — 
M. virgutusy sp. n., pi. 4. fig. B, Costa Rica. 
Ablabes gracilis, sp. n., Gunther, /. c. p. 18, pi. 3, fig. D, Costa Rica. 
Ablabes longicaudus (Ptrs.) figured in Ann. Mus. Genov, iii. Taf. 5. fig. 1. 
Ablabes inelanocephalus (0(Xfij)^Eiiicognathus javanicus (Blkr.). Gunther, 
P, Z. S. 1872, p. 690. 
Ablabes penops., sp. n., Gunther, 1. c. p. 595, fig. 3, Sarawak. 
Contia pygcea, sp. n.. Cope, Proc. Ac. Philad. 1871, p. 223, Florida. 
Streptophomis maculatus (Ptrs.) considered to be a variety of S. sebce by 
Gunther, A. & M. N. H. 1872, ix. p. 18. 
Cyclophis atstivus. Note on its habits by Cope, Am. J. Sc. 1872, p. 148. 
