190 OPHIDIA. 
6. Bothriechis lansbergil. 
Trigonocephalus lansbergii, Schleg. Mag. Zool. 1841, Rept. t. 1, c. fig. med. - 
Bothrops lansbergii, Giinth. Ann. & Mag. N. H. 1868, xii. p. 350; Jan, Iconogr. Ophid. xxvn. 
t. 4. fig. 1. 
Porthidium lansbergii, Cope, Proc. Ac. N. Sc. Phil. 1871, p. 207. 
Teleuraspis castelnaui, var. brachystoma, Cope, Proc. Ac. N. Se. Phil. 1859, p. 339. 
Bothriechis brachystoma, Cope, Proc. Ac. N. Sc. Phil. 1861, p. 295. 
Bothriopsis brachystoma, Cope, Proc. Ac. N. Sc. Phil. 1871, p. 208; Sumichrast, Bull. Soc. Zool. 
Fr. 1880, p. 185. 
Bothrops nasutus, Bocourt, Ann. Sc. Nat. (5) x. p. 202 (1868). 
Porthidium nasutum, Cope, Proc. Am. Phil. Soc. 1879, p. 271. 
Bothriopsis proboscideus, Cope, Journ. Ac. N. Sc. Phil. vii. p. 150, t. 27. fig. 8, t. 28. fig. 13 
(1875). 
** Chatilla”’ in Tehuantepec. 
Hab. Mexico, Tehuantepec * (Sumichrast), Yucatan (Mus. Brit.) ; GUATEMALA, Vera 
Paz, low forest (Salvin), Panzos (Bocourt), Peten (Berendt); Nicaraeva, Hacienda 
Rosa de Jerico, alt. 3250 feet (Rothschuh), Chontales (Mus. Brit.) ; Costa Rica, 
Limon (Zeledon) ; Panama, Chiriqui (Champion).—CoLomBia ; VENEZUELA. 
From an examination of the series of specimens before me, I have come to the 
conclusion that the presence or absence of a suture in the nasal scute cannot be used 
as a taxonomic character in this species. 
7. Bothriechis godmani. (Tab. LVII. fig. A.) 
Bothriechis godmanni, Giinth. Ann. & Mag. N. H. 1863, xii. p. 364, t. 6. fig. G (upperside of 
head). 
Bothriopsis godmanii, Cope, Proc. Ac. N. Se. Phil. 1871, p. 208; Miller, Verh. naturf. Ges. 
Basel, vi. p. 402, t. 3. fig. B (head) (1878). 
Bothrops brammianus, Bocourt, Ann. Sc. Nat. (5) x. p. 201 (1868). 
Bothriechis trianguligera +, Fischer, Osterprogramm d. Akad. Gymnas. Hamburg, 1883, p. 18. 
Hab. Guatemata, Totonicapam (Salvin), Mazatenango (Bernoulli), 1 San Lucas, alt. 
1558 metres (Bocourt), Volcan de Fuego (Godman & Salvin). 
Scales in twenty-one series, strongly keeled, except those in the outer row, which are 
smooth. Scales on the upper surface of the head faintly keeled and of unequal size, 
three of them being as large as the largest scales of the trunk; superciliaries well 
developed, without small scales along the orbital margin; canthus rostralis angular, 
covered with small shields, the hindmost of which enters the orbit. Rostral shield 
triangular, erect, not prominent or elevated ; nasals small, separated by a suture. Nine 
* A specimen from Tehuantepec seems to come nearest to Cope’s description of his Bothriechis brachystoma. 
+ I am indebted to the kindness of Prof. Kraepelin and Dr. Pfeffer, who have given me the opportunity of 
examining the type of Fischer’s description. 
