46 
Zoological Miscellany, 
anguiformis, Daud. Tortrix Eryx, adult, Schlegel. Amphisbxna, Penny 
Cycl. art. Amphisb. fig. . Young bright-coloured. Russ. Ind. Serp. ii. 1. 17. 
Inhabits India. Mus. Paris. 
M. Schlegel considers this as the adult of Eryx Jaculus ; be appears to 
have overlooked Dr. Russel’s figure of the young, which has no resem- 
blance to that species. 
XVII. Bolyeria. “ Head small, depressed ; muzzle conical ; crown 
shielded with 2 pairs of frontals, the first pair only divided by an imperfect 
suture ; occiput scaly : body compressed ; scales keeled, small, rhombic : 
tail elongated, prehensile : abdominal plates nearly as broad as the abdo- 
men : spurs ? 
1. Bolyeria Pseudo -Eryx. Tortrix Pseudo~Eryx^ Schlegel, Ph. Serp. 19. 
Inhabits New Holland ; Port Jackson. Mus. Paris.” 
II. The rudimentary hinder limbs entirely hidden under the shin, (not show- 
ing any spurs.) 
C. The head small, indistinct, shielded ; eyes small, vertical, pupil round ; 
nostrils lateral, small. Body cylindrical ; scales smooth; ventral shields like 
the scales, but rather broader. Tail short, scarcely prehensile ; subcaudal 
plates. Intermediate between the Boce and the Bungaroid Colubridse. 
XVIII. Ilysia, Hempr. Tortrix, Linn. Anilius, Oken. Torquatrix, 
Haworth. Tail conical and rounded ; nasal plates small ; frontal plates 
large : eyes in the centre of a large plate. America. 
1. Ilysia Scytale, Wagler, Amph. t. 5, fig. 2. Anguis Scytale, Linn. 
A. corallina, A. atra, A. annulata, A. fasciata, A. ccerulea, Laur. A. ros- 
trata, Weigel. Tortrix Scytale, Schlegel. Seba, ii. t. 73, fig. 2, 3. 
Inhabits Central America. Brit. Mus. 
XIX. Cylindrophis, Wagler. Tail compressed : nasal plates large; 
frontal plates moderate: eyes surrounded by the labial, superciliary and 
temporal plates, and sometimes by a small posterior ocular plate. India. 
1. Cylindrophis rufa. Anguis rufa, Schn. A. Scytale, Russ. Ind. Serp. 
ii. t. 28, f. 1. Tortrix rufa, Schlegel. Eryx rufa, Daud. Scytale Scheuch- 
zeri, Merrem. 
Inhabits India. Brit. Mus. 
Var. 1. Cylindrophis melanotus,W 2 i^ex,t. 27. Java. 
2. Cylindrophis maculata. Anguis maculata,JAmi. M.us. Kdo\fh..t,2\, 
fig. 3. Russel, I. S. t. 19, fig. 1. A. tessellata and A. decussata, Laur. 
Inhabits India. Brit. Mus. 
D. “ Head elongate, depressed, covered with plates ; muzzle tapering, ob- 
liquely truncated ; pupil F body fusiform, compressed, strong ; back 
keeled ; belly rounded ; scales equal, strongly keeled : tail very short, conical, 
prehensile : anal spurs none.” Intermediate between Eryx and true Boa P 
XX. Ungalia. “Nasal shields 2, long; two anterior frontals with the 
lower angles extending to the side of the muzzle ; occipital plates small.” 
1. Ungalia mela^iura. Boa melanura, Schlegel, Phys. Serp. 399. 
Inhabits Cuba ; M. Ricourt. Mus. Paris. 
