NORTH AMERICAN 



H E R P E T 1. O G Y. 



P I T U O P H I S .—Holbrook. 



Genus Pituophis. — Characters. Head elongated, oval, four sided, with the 

 snout prolonged; frontal plates four, in a transverse row; rostral plate an isosceles 

 triangle, basis rounded and prolonged, its apex pointed and received between the 

 anterior frontal; loral plate single; two anterior and three posterior orbital plates; 

 maxillary teeth large and numerous, arched backwards, nearly all of the same 

 size, rather smaller behind; body large, long, sub-cylindrical, scales carinated. 



PITUOPHIS MELANOLEUCUS.— Dawrfm. 



Plate I. 



Characters. Head elongated, oval; rostral plate large, shaped like an 

 isosceles triangle, prolonged and rounded anteriorly; body, above white, more or 

 less clear, and marked with sub-round black or dusky blotches, and covered with 

 strongly carinated scales. PI. 216. Sc. 60. 



Stnonymes. Pine Snake or Bull Snake, Bartram, Travels in Florida, &c., p. 276. 

 Coluber melanoleucus, Daudin, Hist. Nat. des Rept., torn. vi. p. 409. 

 Coluber melanoleucus, Harlan, Med. and Phys. Res., p. 122. 

 Pine Snake or Bull Snake, Vulgo. 



