60 



The Food of Fishes. 



Table of Food of Eupomotis and Centrarchus. 



Number of specimens examined. 



I. MOLLUSCA 



Undetermined 



Gasteropoda 



Amnicola 



Vivipara 



Planorbis 



Physa 



Acephala 



II. Insecta 



Undetermined 



1. Diptera (larvae) 



Chironomus 



2. Coleoptera 



Hydrophilidae 



3. Hemiptera 



Corixa 



4. Neu7'optera (larvae) 



Ephemeridee 



Palingenia 



Agrionidae 



Libellulidae 



Phryganeidae 



III. Arachnida 



Hydrachnidae 



IV. Crustacea 



Amphipoda (Allorchestes) 



Isopoda (Asellus) 



Entomostraca 



Cladocera 



Simocephalus 



Ostracoda 



Copepoda 



V. Vegetation 



Myriophyllum 



Chara 



Algae 



Eupomotis. 



9 

 01 



60 

 03 



52 

 51 



05 

 05 



39 



39 

 13 

 12 

 26 



5 

 04 



02 

 61 

 03 

 45 

 44 

 02 

 02 



n 



05 



06 



35 



14 



21 



03 

 01 

 18 



t 



H 



2 



45 



45 



40 



30 



05 

 C5 



25 

 25 



25 



25 



9 

 46 

 07 



33 

 04 

 II 

 01 



06 

 20 



01 

 01 

 02 

 02 



17 

 03 

 03 



22 



13 



09 



04 

 06 



Cen- 

 trarchus. 



24 



21 

 21 



03 

 03 



20 

 20 



80 



80 



35 

 45 



Only two specimens were examined which could be 

 classed as adults, — one three and a fourth inches long, the 

 other smaller. These indicate that the food of full-grown 

 individuals differs from that of the young chiefly in the 



