76 



College of Forestry 



deep, yet at the mouth it is but 12 feet deep and a short dis- 

 tance from shore the water is only three feet deep. The 

 geological history of Chittenango Creek is probably very inter- 

 esting and the correlation of the depth with its pre- and post- 

 glacial history would be of interest and would probably explain 

 the meaning of the great depth of the creek so short a dis- 

 tance from the shallow mouth. The crowfoot dredge (the 

 only implement with the party when this creek was examined) 

 was dragged over the bottom of the creek but the only results 

 were a number of branches of trees and other debris. It was 



Table No. 14. Animal Life of Tuttle Brook (Field No. 857) 



MoUusca 



Planorbis parvus 127 mostly young and immature 



Planorbis exacuoiis 

 Calha humilis modicella. 

 Physa heterostropha ? . . . . 

 Amnicola bake nana. . . . 



Valvata tricarinata 



Pisidium species 



adult 

 10 5 mm. long 

 6 3-4 mm. long 



1 adult 



2 adults 



Amphipoda 



HyaleUa knickerbockeri 



Cladocera 



Simocephalus serridatus 



Siniocephalus vetidiis 



Isopoda 



Ascllus communis 



Hemiptera 



Notonec'a, nymph 



Corixa, nymph 



Plea striola, nymph and adult 

 Coleoptera 



Haliplus ruficollis 



Helophorus nitidulus 



Helophorus inquinatus 



Helophorus lineatus 



Philhydrus ochraceus 



Bidessus affinis 



Creniphilus subcupreus 



Diptera (larvae 25, pupae 2) 



Chironomiis species 



Orthocladitis species 



Palpomyia species 



Acarina 



Arrhenurus 



154 specimens 



92 



2 

 4 



17 



I 

 I 



5 



I 

 I 

 I 



2 

 I 

 I 



38 



27 



195 specimens 



Total number of animals 349 specimens 



