March, 1914.] The Food of Rana Pipiens Shreber. 265 



CRUvSTACEA 87 



AstacidcB 2 



Only two crayfish were found, these were in a large frog 

 caught in Beimiller's Cove. 



Cambarus sp 2 



Isopoda 85 



Members of this suborder, commonly called "sow bugs," 

 fonn about ten per cent of the animals, twenty-seven being 

 in a single stomach. 



OniscidcE 85 



Porcellio scaber Latreille 2 



Porcellio rathkei Brandt 47 



Isopoda, not further identifiable 36 



MYRIAPODA 3 



Lithobius forficatus L 2 



Geophilus rubens Say 1 



ARACHNIDA 249 



Spiders were found in one hundred and nineteen stomachs 

 and constitute about twenty-seven per cent of the entire 

 number of animals. Their bodies are so extremely soft and 

 fragile that in many stomachs they were ground up beyond 

 specific recognition and only a few specimens could be identified. 



Theraphosida 1 



Atypus milberti Walck.* 1 



ClubionidcB 1 



Trachelas tranguilla Hentz 1 



Lycosidce 6 



Lycosa sp. cf 2 



Lycosa sp. 9 1 



Lycosa sp. cf (young) 1 



Pardosa sp. (young) 2 



Epeiridce 3 



Metepeira labyrinthea Hentz c^ 2 



Meta menardi Latreille 9 1 



Spiders, not further identifiable 238 



INSECTA 563 



Insects composed over sixty per cent of the total number of 

 animals and were present in the stomachs of one hundred and 

 seventy-eight frogs. Twenty-five per cent of the frogs had 

 eaten nothing but insects. They are represented by nine 

 orders: Ephemeridse, Odonata, Orthoptera, Hemiptera, Neu- 

 roptera, Lepidoptera, Diptera, Coleoptera, and Hymen- 

 optera. 



* 



Ohio Nat., 14: 251. 



