POOD KA3ITS 



Examination of all accessilDle accoionts of the food liatits of the 

 poisonous snakes indicates that rattlesnakes feed on any sort of smaller 

 vertehrates tliat may come -within their reach. The follov/ing items have "been 

 found upon examination of stomachs: G-round squirrels, chipm'onks, pocket 

 gophers, young prairie dogs, kangaroo rats, deer mice, meadoTr mice, and 

 cottontail rahhits; various small lizards, such as Uta , Cnemidophorus , and 

 G'errhono'tus ; frogs and toads; and occasionally oirds as large as q"'aaiJ-. 



xhe food hahits of the copperhead and cotton-mouth water m.occasin, 

 judging from published accounts, are essentially like those of the rattle- 

 snake, except that more aquatic vertehrates, such as turtles and round- 

 tailed ^-/a-ter 'rats, are aJvailaole for the water moccasin. 



The harlequin snal:e does most of its feeding at night, capturing small 

 snakes and liza.rds, particularly skinks (Sumeces.) . 



BIBLIOGEiPHY 



(1) Amaral, A. do. 



1935. A general consideration of snal:e poisoning and olDservations 



on neotropical pit vipers. Contrih . Harvard Inst. Trop. Biol, 

 and Med. 2, 64 pp., illus^. 



(2) 



1337. ]?otes on nearctic poisonous snakes and treatment of their bites. 

 Antivenin Inst. Amer. Bull. 1 (o): 61-76, illus. 



(3) 



1937. The anti-snake-bite campaign in Texas and in the subtropical 

 United States. Antivenin Inst. Amer. Bull. 1 (3): 77-85. 



(4) «. 



1928. Studies on snalze venoms, amounts of venom secreted by nearctic 

 pit vipers. Antivenin Inst. Amer. Bull. 1 (4): 103-104. 



(5) Antivenin Institn.te of America, 



1927-1932. Bulletin. 5 vols. Glenolden, Pa. (Ceased publication, May 1933'. 



(6) Barbour, T. 



1932. Rattlesnakes aAid spitting snakes. Copeia, 106: 35--38 . 



(7) Boulenger, E. G. 



1314(?) Septilos and batraehians. 278 pp., ill^os . Hew York. 



(8) Ga,mbrook, J. D. . 



1935. Snake venom and its use in dental hemorrhage. Roy. Soc. Med. 

 Proc. 39: 281-282. 



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