254 



Index 



Apstein, 17. 



Arenicola marina, 142. 



Argia, 184. 



Argia putrida, 92, 138, 184, 194. 



Arrhenurus, 76, 97, loi, 103, 107, 



109, 138, 184, 201. 

 Arrhenurus americanus, 184, 201. 

 Arrhenurus americanus major, 97. 

 Arrhenurus marshalH, loi, 184, 



201. 

 Arrhenurus superior, 107, 184, 201. 

 Arrow-head, 47, 49, 54, 59, 63. 

 Arrow-head, broad-leaved, 79. 

 Arrow-head, narrow-leaved, 79. 

 Asellus, 105, 107, 108, no, 116, 146, 



215. 

 Asellus aquaticus, 193. 

 Asellus communis, 76, 92, 97, loi, 



103, 107, 109, 138, 143, 184, 192. 

 Atherix, 97, 184, 198. 

 Atractides artaacetabula, 138, 201. 



B^Tis, 92, 97, loi, 103, 184, 194. 



Baker, F. C., 39, 41, 78, 86, 150, 

 152, 159, 161-163, 166, 168, 170, 

 171, 174, 178-180, 187, 190, 191, 

 204, 208, 213, 214, 239, 244-249, 



251. 

 Baker, H. B, 39. 

 Baker, H. P., 244. 

 Baker, Mrs. L. M., 24, 61. 

 Baltic Sea, 20S. 

 Bass, calico, 212, 220. 

 Bass, large-mouthed black, 212, 



220, 221. 

 Bass, rock, 212, 218, 220, 221. 

 Bass, small-mouthed black, 212, 



220. 

 Beardstown, 111., 156. 

 Becker, Fred, 35. 

 Becker's Landing, 50, 52, 181. 

 Benidji Lake, Minn., 157. 

 Berosus peregrinus, 97, 107, 184, 



199. 

 Berosus species, 184, 199. 

 Betten, 24, 197. 

 Bidessus affinis, 76, 184, 199. 

 Bidessus flavicollis, 97, 184, 199. 

 Big Bay, 27. 

 Binney, 172. 



Binuclearia tetrana, 85, 103. 

 Biocoenosis, 148, 149. 



Birge, 19, 31. 



Bladderwort, greater, 80. . 



Blegvad, 141, 203, 204, 209, 223. 



Blue flag, larger, 80. 



Bluegill, 212. 



Boleosoma nigrum olmstedi, 215, 



221. 

 Bosmina longirostris, 216. 

 Bottom fauna, composition of, 86. 

 Bottom sampler, 18, 19, 21. 

 Bottom, boulder, 33, 39, 54-58, 60, 



62, 63, 68, 70-74, 83, 88, 90-95, 

 loi, 113, 117, 119, 134, 135, 144- 

 147, 184. 



Bottom, clay, 2>7, 39, 5^, 65-68, 71, 

 75, 83, loi, 103, 105, 108, no, 

 113, 117, 119, 144-146, 152, 157, 

 184. 



Bottom, gravel, 33, 39, 56, 60, 62, 



63, 68, 70, 71, 72>, 74, 83, 93-95, 

 loi, 113, 117, 119, 144, 145, 146, 

 152, 157, 160. 



Bottom, mud, 27, 39. 58, 60, 70-75, 



77, 78, 83, 105, 107, 109, III, 116, 



117, 118, 122, 124, 126, 135, 144- 



147, 152, 160, 184. 

 Bottom, sand, 35, 39, 56, 58, 60, 62, 



63, 65-71, 74, 75, 77, 78, 83, 96, 



97, 99, 101-104, 113, 115, 117, 119, 



129, 135, 144, 145, 146, 147, 152, 



160, 184. 

 Bottom, sandy clay, 103, 114, 119, 



146, 152, 160, 184. 

 Brandt, 17. 

 Brewerton, 131, 152, 167, 180, 186, 



187. 

 Brook silversides, 216, 221. 

 Bryozoans, 146, 188, 205. 

 Bullhead, common, 212, 220, 221. 

 Bullhead, yellow, 212, 220. 

 Bulrush, 70, 72- 

 Bulrush, American, 22, 34, 38, 44, 



47, 49, 52, 61, 63, 79. 

 Bulrush, lake, 34, 36, 40, 44, 48, 49, 



51, 54, 61, 64, 77, 79. 

 Bulrush, Smith's, 51, 79. 

 Bur-reed, 47, 49, 54. 59. 63, 79, I25- 

 Buttonbush, 47, 49, 54, 59, 63, 80. 

 Bythinia, 137, 147. 

 Bythinia tentaculata, 77, 78, 94, 97, 



lOT, 107, 109, 123, 129, 130, 133, 



135, 143, 168, 214. 



