120 



PAPERS ON ZOOLOGY OF MICHIGAN. 



The wind as shoA\ii in the above table varied much as to direction 

 in the late summer of 1913. It also varied in intensity, but only a few 

 times was it strong enough to produce a very rough sea on the lake. 

 Water temperatures were taken with each fish collection. A list is 

 here given with accompanying air temperatures taken at the same 

 times. The latter are given in parentheses. 



Lake Superior Shoal; water under two feet deep: 65 (60), 65 (70), 

 66 (67), 55 (68), 66, 64. 



Beach Ponds: 65 (79), 80 (82), 70 (63), 69. 



Marsh Lakes: 71 (69), 73 (68), 73 (77), 76 (72), 73, 72 (72), 70 

 (70), 62 (60), 69 (60), 68 (58), 75 (62), 64 (60), 70 (68), 75 (70), 74 (68), 

 75 (64), 67, 69 (60) 65 (64). 



Outlet Streams of the Marsh Lakes: 68 (62), 69, 74 (68), 65. 



Shelldrake Lake 68 (59), 65 (68). 



Shelldrake River: 63 (70). 



