506 FAUNA CANADENSIS. 



32. U7iio ocJiraceus, Say. 

 Common in Toronto Bay, in from one to three fathoms. 



33. Unio complanatus, Solander. 

 Comimon in Toronto Bay. 



34. Unio, sp. 



A large, ventricose form, occurring rarely in Toronto Bay, in from 



one to three fathoms. 



35. Unio, sp. 



A small, elongated form, in Toronto Bay. 



36. Anodon fluviatilis, Dillwyn. 

 Common in the shallower parts of the lake. 



37. Anodon, sp. 

 Common in Toronto Bay, in from one to three fathoms. 



VERTEBRATA. 



38. Pimelodus catus [P. atrarius). 

 The yoting of this common species of Cat-fish occurred in great 

 numbers at the "Island." Their length was from less than one inch 

 to as much as an inch and a half. 



39. Pomotis vulgaris. 

 The young of the " sun-fish," or " Northern Pomotis " of Richard- 

 son, also occurred plentifully in shallow water at the " Island." The 

 largest specimen obtained was about two inches and a half in length. 



40. Perca flaveseens, Cuvier. 

 The American Yellow Perch. Common throughout Toronto Bay. 



41. Leuciscus, sp. 

 Two individuals of a small species of this genus were brought up 

 by the dredge in Toronto Bay, from a depth of about two fathoms. 



42. Emys picta. 

 The " painted Turtle." Occurred plentifully in shallow water at 



the " Island." 



43. Meno'brancTius maeulatus. 



A single individual was observed in shallow water at the " Island^'* 



but unfortixnately escaped capture. 



