70 



NORTH AMERICAN FAUNA. 

 List of specimens of Drymobius boddaerti. 



Bascanion lineatum Bocourt. 

 This species is apparently confined to western Mexico. 



List of specimens of liascanion lineatum. 



Drymarchon corals melanurus (Dum. & Bibr.) 



Scale rows, 19; ventrals, 205; anal, 1; caudals, f, aupralabials, 8. 

 Adult male with the characteristic coloring' of this subspecies, which 

 seems to be confined, to Mexico and Central America. 



List of specimens of Drymarchon corais melanurus. 



Lampropeltis micropholis oligozona (Bocourt). 



Scale rows, 23; ventrals, 230; anal, 1; caudals, f{; temporals, 2 -f 3. 

 Adult male. Thirteen annuli on body, separated by wide, red inter- 

 spaces, without black spots, both on back and belly; all the annuli. 

 complete, including that on neck and throat, which does not touch the 

 parietals; snout white, with black on rostral and anterior nasal. From 

 Boulenger's account it appears that Ferrer's specimens from the Tres 

 Marias are identical. (Cat. Snakes Brit. Mus., II, p. 204.) 



Distributed over Mexico and Central America. 



List of specimens of Lampropeltis microphnlis oliyozona. 



