SNAKES. 95 
** Hyes immediately over the labial shield ; orbital circle of scales 
incomplete. 
t+ Face flattened ; head-shield rather large. 
2. The Asoma. Epicrates Cenchria, Gray, Griffith, A. K. 
ix. Wagler, Syst. 168. Gray, Zool. Misc. 42. Boa Cenchria, 
Linn. Mus, Adolph. ii. 42. S. N. i. 274. Schlegel, P. S. ii. 385, 
t. 14, f.3—5. Neuw. Abbild. t. Daud. Rept. v. 132, t. 62, f. 2. 
Merrem, Ann. Wett. ii. 51, t.9. Seba, Thes. ii. t. 28, f. 2, t. 54, 
f. 3, young. ‘B. annulifer, Daud. Rept. v. 202, t. 63, f. 3. t. 88, f.1, 
t. 98, t. 56, f. 1, young, t. 62, f.1. B. Cenchris, Gmelin, S. N. iii. 
1083. Dum. & Bib. Erp. Gen. vi. 555. B. constrictor, var., Latr. 
Rept. iii. 134. B. maculata, Guild. MSS. Brit. Mus. Coluber 
dubius, Gmelin, S. N. 1086, from Seba, ii. t. 98, f.1.  C. bitix, 
Bonnat, E. M. 22. Boa lateristriga, Bote, Isis, xx. 515, 1827. 
Erp. Java, t, 26, jun. B. ternatea, Latr. Rept. iii. 152? Eunectes 
(lateristriga), Wagler, Syst. 167. E. aboma, Cuv. R. A. ii. 67. 
Cenchris murina, Gray, Ann. Phil. 1825, x. 209. B. flavescens, &c., 
Bodd, N. Act. C. Leop. vii. 18,1. 7. “ B. ocellata, Oppell, Mus. 
Paris. Enygrus (ocellatus), Wagler, Syst. Amph. 167.” Gray, 
Griffith, A. K. ix. 97. 
Head with five dark streaks on the top and sides: back with 
large narrow rings: sides with two series of black spots: scales of 
the vertebral line broader than those of the sides: the frontonasal 
plate with a cross row of three anterior frontal shields: orbit with an 
incomplete ring of scales. 
a. In spirits. Adult; bleached. Old collection. 
Boa Cenchria, Shaw, Cat. 
b. In spirits. Young. W. Indies. Presented by Mrs. W. P. 
Mauger. 
e—e. In spirits. Young. ‘Trinidad. From Rev. L. Guilding’s 
collection. 
Boa maculata, Guilding, MSS. 
f. In spirits. Young. Loreal shield short, high ; dorsal ring with 
a central spot.. Chagres. From H.M.S. Chanticleer. 
g. In fluid. Adult. British Guiana. Presented by Sir Robert 
Schomburgk. 
h. In fluid. Adult. Para. Presented by R. Graham, Esq. 
Var. 1. Brown ; back with a series of large round pale spots ; 
sides brown, with two irregular rather interrupted white streaks. 
i. In spirits. Young. Cayenne. Presented by H. Cadogan 
Rothery, Esq. 
j- Skin, stuffed. Adult. Brazil. Presented by R. Graham, Esq. 
