SNAKES. 97 
8. CoRALLUS. 
Head moderate, covered with scales, with two internasal shields 
and one series of smaller plates behind them on the end of the 
muzzle: rostral plate triangular, not pitted ; front upper and hinder 
lower labial shields pitted: nostrils lateral, between two plates: lo- 
real shields 2 or 3: eyes lateral; pupil elliptical, erect; orbit with 
a complete circle of scales: the hinder upper and lower lip-shield 
pitted ; upper shields two-rowed, the front one slightly pitted : body 
slender, elongate, compressed: scales flat, smooth; of the back ra- 
ther broad, rhombic ; of sides narrower: tail elongate, slender: sub- 
caudal plates one-rowed, brown and variegated. 
Corallus, Daud. Rept. v. 259, viii. 385. Gray, Zool. Misc. 44, 
1842. Caramus, Rafin. Anal. Nat. 77,1815. Xiphosoma, b, Wag- 
ler, Syst. 167. Xiphosoma sp., Dum. & Bib. Erp. Gen. vi. 544. 
Fitz. N. Syst. 54, 1826. Boa sp., Schneider. 
1. The Cencoatzi. Corallus hortulanus, Gray, Zool. Misc. 
42. Coluber hortulanus, Linn. Mus. Adolph. 37. Corallus obtusi- 
rostris, Daud. Rept. v. 259, t. 64, f. 3, t.59, f. 5, 6; viii. 385. 
Boa hortulana, Linn. S. N. 374. Lacep. Quad, Ovip. ii. t. 17, f. 2. 
Schlegel, P. S. 392, t. 14, f. 10,11. B. elegans, Daud. Rept. v. 
123, t. 36, f. 1, t. 61, f. 32, 33. B.Merremi, Schn. Syst. ii. 259. 
Merrem, Beitr. ii. t.2. Tent. 88. B. Enhydris, Linn. S. N. 375. 
B. modesta, Reuss. Mus. Senck. i. 129. Xiphosoma hortulanum, 
Dum. §& Bib. Erp. Gen. vi. 545. Vipera bitis, Laur. 102. Daud. R. 
vi. 165 = Seba, ii. t. 16, f. 1. B. obtusiceps, Bechst. Lacep. v. 46, 
t.2, f.2. V.Maderensis, Zawr. 102. Daud. vi. 157 = Seba, i. t. 
54, f.2. V.cerulescens, Laur. 101. V. Echidna cerulescens, 
Merrem, Tent. 153. Col. glaucus, Gmelin, S. N.i. 1092. Xipho- 
soma (Merremi), Wagler, Syst. 167. X. hortulana, Fite. N. S. 54, 
1826. La Broderie, Lacey. Q. O. ii. 381. La Parterre, Bonnat. 
Xiphosoma dorsale, Wagler, Serp. Braz. 43, t.15. X. ornatum, 
Wagler, Braz. 40, t. 14, f.2, young. Seba, Thes. t. 50, f. 1, t. 74 
ana ?.o7, 7.1. Scheuch. P. S. t. 661,,f. 9. 
White (in spirits), red or black varied. 
Var. 1. Loreal shields 3-3, last smallest: occiput lined. 
a. In spirits. Half grown. MRed-spotted: superciliary shields 3 
or 4, rather larger than those on crown; upper labials 10-10. 
Demerara. Presented by Dr. Hancock. 
K 
