490 



BLACK-HEADED SNAKE. 



Coluber Melanocephalus. C. subfuscus, suhtus albidus, capite 



nigra albo striato, fascia collari 7iigra. 

 Brownish Snake, whitish beneath, with black head striped with 



white, and a blaok band over the neck. 

 Coluber melanocephalus. Lin, Syst. Nat. p. 378. Mus. Ad. 



Frid.p. 24. t. 15. f. 2. 

 Abdominal scuta 140, subcaudal scales 62. 



A SMALL species, of about a foot and a half in 

 length : colour pale brown, whitish beneath : head 

 black, with white divisions or streaks on the top 

 and sides, and immediately behind the head is a 

 broad black collar. Native of America? This 

 species appears to vary greatly in the number of 

 its scuta and subcaudal scales. 



ANNULATED SNAKE. 



Coluber Annulatus. C. griseus^ maculis dorsalibus ratiindis fusds 



pallida marginatis. 

 Grey Snake, with round brown dorsal spots, with pale margins. 

 Coluber annulatus. Lin. Syst. Nat. p. 3S(J. Mus. Ad. Frid. 



p. 34. t. S.f. 2. 

 Vipera Virginiana maculis notata. Seb. 1. t. 72. /. 6. and 2. 



t. 13./. 2. 



Abdominal scuta' l^O? subcaudal scales ^6. 



Length about two feet or more : colour grey, 

 with the back marked by a longitudinal series of 

 round or ovate deep brown spots surrounded with 

 pale margins, and becoming occasionally con- 



