FOOD HABITS OF SHOAL-WATER DUCKS. 



65 



Table II. — Items of animal food identified in the stomachs of the ducks treated in this 

 bulletin and number of stomachs in which found — Continued. 



Kind of food. 



Gad- 

 wall. 



Bald- 

 pate. 



Green- 

 winced 

 teal. 



Blue- 

 winged 

 teal. 



Cinna- 

 mon 

 teal. 



Pin- 

 tail. 



Wood 

 duck. 



Total number of stomachs examined 



Class Insecta— Continued. 

 Order HYMENOPTERA— Continued. 



FOKMICOIDEA (Ants). 



Formicidae. 



Unidentified 



Ponera sp 



Monomorium sp 



Solenopsis sp 



Crematogaster sp 



Myrmica rubra scabrinodis .: 



Formica sp 



Camponotus herculeanus pennsylvanicus. . . 

 Camponotus sp 



Sphecoidea. 

 Sphecidae. 



Diploplectron sp 



Vespoidea (Wasps). 



Unidentified 



Vespidae. ' 



Polistes annularis 



ApoideA (Bees). 

 Halictidae. 



Halictus ( Chloralictus) 



Class Arachnida. 

 Order PSEUDOSCORPIONIDA. 



Unidentified ■_ 



Order ARANEIDA (Spiders). 



Unidentified. 



Argiopidae (orb-weavers). 



Tetragnatha extensa r 



Order ACARIDA (Mites). 



Unidentified 



Hydrachnidae (water mites) 



SUBKINGDOM MOLLUSCA (MOLLTJSKS). 



Unidentified 



Class Pelecypoda (Bivalves). 



Unidentified 



Mytilidae. 



Mytilus edulis 



Veneridae. 



A nomalocardia cuneimeris 



Anomalocardia sp 



Gemma gemma 



Cyrenidae. 



Musculium sp 



Sphaerium striatinum 



Sphaerium stamineum 



179375°— 20 5 



319 



106 



