March, 1914.] The Food of Rana Pipiens Shreber. 265 
CRUSTACEA.87 
Astacidce .2 
Only two crayfish were found, these were in a large frog 
caught in Beimiller’s Cove. 
Cambarus sp.2 
I so pod a .85 
Members of this suborder, commonly called “sow bugs,” 
form about ten per cent of the animals, twenty-seven being 
in a single stomach. 
Oniscida .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 Walek.*.1 
Clubionidce .1 
Trachelas tranguilla Hentz.1 
Lycosidoe .6 
Lycosa sp. cf .2 
Lycosa sp. $.1 
Lycosa sp. c? (young).1 
Pardosa sp. (young).2 
Epeirida .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: Ephemeridae, Odonata, Orthoptera, Hemiptera, Neu- 
roptera, Lepidoptera, Diptera, Coleoptera, and Hymen- 
op tera. 
Ohio Nat., 14: 251. 
