SNAKES. 13 



1. The Ateopos. Atropos acontia, Gray, Zool. Misc. 49. 

 Atropos puniceus, Wagler, Amph. 175. Trigouocepbalus puuiceus, 

 Reinw. Isis, 1827, 561. Schlegel, Phys. Serp. 545, t. 19, /. 10, 11. 

 Ahhild. 118, t. 38, animal and skull. Coluber acontia, Gmeiin, S. 

 N. 1093. Echidna acontia, 3ferrem, Tent. 151. Seba, ii. 64, /. 1. 



Eed-brown, minutely "black dotted ; paler beneath ; tail gene- 

 rally darker ; temple with a dark-edged, narrow white streak from 

 back of eyes. 



a. In spirits. Java. From Mus. Leyden. 



b. In spirits. Young. Borneo. From Mr. Lowe's collection. 



b. End of tail ivith four rows of scales beneath. America. 



Lachesina. 



6. Lachesis. 



Head ovate, crown scaly : scales keeled ; subcaudal plates two 

 rowed, and with four rows of scales under the tip, ending in a spine. 



Lachesis, Daud. iVagler, Syst. Amph. 175. Gray, Zool. Misc. 

 50. Bothrops sp., Wagler, Serp. Braz. Craspedocephalus, Gray, 

 Ann. Phil. 1825, 205. 



1 . The CuRUcucu. Lachesis rautus,Z)aMf/. i2ep^. v. 351. Gray, 

 Zool. Misc. 50. L. rhombeta, Fitz. N. Class. 63. Neuw. Abbild. i. t. 5. 

 Bothrops Curucucu, Wagler, Serp. Braz. t. 23 (bad). Crotalus mutus, 

 Linn. S. N. 273. Seba, Thes. ii. t. 76, /.I, t.9\, 92. Schlegel, 

 P. S. 570, t. 20, /. 19, 20. Boa muta (Le muet), Lacep. 2 a, ii. 

 389. B. crotalina, Shaio, Z. iii. 352. Cophias crotalina, Merrem, 

 Tent. 154. Scytale catenatus. Law. iii. 162. S. Ammodytes, Latr. 

 iii. 162. Seba, ii. t. 76, /. 1. Coluber alecto, Shaiv, Zool. iii. 400. 

 Trigonocephalus rhombifer, Cuv. R. A. ii. 90. Crasp. Crotalinus, 

 Gray, Ann. Phil. 1825, 205. 



Pale brown ; back with oblique black cross-band. 



a. Adult. In spirits. S. America. Demerara ? Presented by 

 Colonel Edward Sabine, R.E. 



b — d. Adult. In spirits. Mexico. From Mr. Hugo Finch's col- 

 lection. 



e. Adult. Stuffed. Brazils. Presented by Mrs. Parker. 



2. The Peruvian Curucucu. Lachesis pictus, Tschudi, Rept. 

 Consp. 166. 



Gray-brown, with violet-black, roundish, irregular spots, con- 

 fluent on the hinder part of the body ; sides with small white spots ; 



