42 THE BAYLOR BULLETIN 



Mexican boundary. Cope's type of Tantilla hallowelli 

 came from Eagle Pass. Specimens from Burnet 

 County, while possessing only six upper labials, have 

 the top of the head almost as darl as in T. nigriceps. 



131. Elaps fulvius Linn. Harlequin, B(ad or Coral Snake. 



Eastern Texas from the northen boundary south 

 to the Rio Grande, west almost o the foot of the 

 plains. 



VIPERID^. 



132. Agkistrodon piscivorous Lacepee. Cottpnmouth: 



Stumptail Water Moccasin. 



Eastern and Southern Texas, almdant in the tim- 

 ber belt and the coast and Fayetl prairies. In the 

 Rio Grande country extends wef to the mouth of 

 the Pecos River. In the east ceiral section occurs 

 at Dallas, Waco and Burnet. Theypes of Toxicophis 

 pugnax Baird and Girard were om Indianola. 



133." Agkistrodon contortix Linn, opperhead: High- 

 land Moccasin. 



The copperhead is found thughout the eastern 

 and east central sections of th State, south to San 

 Antonio, Refugio and Victori The most western 

 locality from which I have a scimen is Burnet, but 

 Mr. Garni has collected it near'Oerne, Kendall Coun- 

 ty, and Dr. Brown records from Pecos. 



134. SiSTRURUS MiLiARius Linn. Pygmy Rattlesnake: 

 Ground Rattlesnake. 



This tiny rattlesnake is r^er scarce in Texas, but 

 is found in most of the eastfi and east-central coun- 

 ties. In the coast prairie strict it is found as far 

 south as Victoria and Mfgforda counties. In Mc- 

 Lennan County I have co'ted onl^ one specimen in 

 the past twenty years. 



