PAPERS OX BIOLO6Y AND AGRICULTURE 195 



GENERAL SUR%T:Y OF THE FAUNA OF LAKE KNOX— Continued. 



Phylum MolJusca 



Class Gastropoda 

 Order Pulmonata 



Physa heterostropha 



This was very abundant, especially about the flrst 

 of April. About the first of April, too. the eggs 

 are found in great abundance in little clusters 

 on the under surfaces of bricks. The snails 

 make definite tracks of mucous which they se- 

 crete. These paths may be seen on the surface 

 of the mud at the side of the stream. 

 Planorbis trivolvis 



This snail is frequently seen but not so frequently 

 as is the Physa. 

 Suborder Stylommatophora (land snails) 

 AgrioJlmax campestris 



This slug was found on the damp earth near the 

 stream of Station III. 

 Class Pale cy pod- 



Order EuJameJlibrancTiiata • 



MuscuJiiDn transversum 



This very small delicately shelled bivalve was 

 found in Station III. 

 Spliaerium 



This bivalve was somewhat larger than the above. 

 It was found frequently in the stream leading 

 from the outlet of the pond to the muskrat area. 



Phylum CTiordata 



Subphylum Veitebrata 

 Class Pisces 



Pom OTIS annularies, the white crappie. was caught 

 April Sth on the north side of the pond. 

 Pimephales notatus 



The blunt hosed minnow was found the same day in simi- 

 lar situation. These small fish measure 2^4 inches in 

 length. 



Micropterus salmoides 



The large mouthed black bass was reported as present. 



Class Amphibia 



Family Bitfonidae 

 Bufo americanus 



A large toad was found on the street car track 

 near Station IV, April Sth. 

 Family Ranidac 

 Rana pipiens 



The common leopard frog was very common in the fall 

 Hyla pickeringii 



The spring peeper was found at Station V and III in 

 March and April. They were very numerous in the 

 middle of May. 

 Rana catesbiana 



A tadpole of this large bullfrog was found at Station 

 V. April Sth. 



Class Reptilia 



No water snakes were found but a water moccasin was re- 

 ported as being seen. Mud turtles were reported as 

 being found there. 



