346 
Beetles—Continued: 
—Rhinoncus pyrrhopus, 208. 
—Saperda: 
concolor, 267, 276. 
lateralis, 276. 
—Saprinus patruelis, 186, 219. 
—Scarabaeidae, 207, 286. 
—Silpha surinamensis, 253. 
—S pheno phorus, 223: 
pertinax, 284. 
—Slaphylinus violaceus, 256. 
—Stereopal pus: 
badiipennis, 219. 
mellyi, 188. 
—Strangalia acuminata, 208. 
—Synchroa punctata, 200. 
—Tachinus pallipes, 260. 
—Telephorus lineola, 204. 
—Tenebrionidae, 201, 217. 
—Tetraopes tetraophthalmus, 270, 297. 
—Thanasimus dubius, 194, 195, 200. 
—Tharops ruficornis, 247. 
—Tomicus. See Ips. 
—Trirhabda tormentosa canadensis, 276, 
203, 207. 
—Tritoma unicolor, 244. 
—T ypophorus: 
canellus, 282, 284. 
canellus aterrimus, 188, 297. 
canellus gilvipes, 298. 
canellus sellatus, 188. 
—Uloma impressa, 255. 
—Xanthonia to-nolata, 241, 260. 
—Xylopinus saperdioides, 256. 
Behavior rhythms, related to tide, 34. 
Bionomics, 32. 
Biota, defined, 34. 
Birds: economic value of, 8-11; protec- 
tion of, 8-11, 57; feeding grounds of 
aquatic, 130, 132. 
Birds, scientific names: 
—Ardetta exilis, 171. 
—Empidonax trailli, t9o. 
—Gallinula galeata, 171. 
—T yrannus tyrannus, 228. 
—Xanthocephalus xanthocephalus, 70. 
Bison, 14, 201, 283, 289. 
Bittern: American, 171; least, 171. 
Blackbird, red-wing, 171, 174, 
yellow-head, 170, 171. 
Black fly, 87-89, 93, 95, 105, 114, 116, 
118. 
Blowouts, 2209. 
Blue racer, 227. 
Bluebird, 242. 
Bluejay, 242, 244. 
175; 
ANIMAL COMMUNITIES 
Bobolink, 9, 167, 283, 280. 
Bobwhite, 269, 275. 
Borers: buprestid, 191; cerambycid, 
191; of trees, t91; four marked, 191; 
common to swamp forest trees, ror. 
Bottom: communities of, in Lake 
Michigan, 77-80; distribution on, 
107, 108; factor, 43; gravel, o1; 
important, 64; in deep water, 80; lake, 
125; pond, 140, 141; stony, 95; 
stream, 86. 
Braconids, 290. 
Breeding: of aquatic insects, 65}; of birds 
(see common names of); of brook 
fishes, go-91; of lake fishes, 126; of 
mammals (see common names of); of 
mites, 129; of musk turtle, 130; of 
pond fishes, 141. 
Bronzed grackle, 275. 
Brook trout, 31. 
Brook-mores of sowbug, go. 
Brown thrasher, 268, 275. 
Buffalo fish, 130. 
Bullhead: 70; speckled, 126, 141, 156; 
black, 102, 119, 120, 149, 156; yellow, 
156. 
Bumblebee, 190. 
Bunting: indigo, 268, 274, 275; lark, 280. 
Buttonbush, roo. 
Cabbage butterfly, 221, 222, 227. 
Caddis-flies, 65. 
Caddis-worms: caseless, 88, 116; case- 
weighting, 125, 126, 135, I40, 143, 
155; leaf-tube making, 39, 105, 114, 
121, 146, 148, 155, 174, 185; mores of, 
126; sand-tube making, 39, 142, 143, 
148, 155; sandy bottom, 135}; spiral- 
cased, 96, 99, 117, 121; stick-using, 
IOI. 
Caddis-worms, scientific names: 
—Chimarrha sp., 116. 
—Goera, 125, 135, 140, 142, 143, 155. 
—Helicopsyche, 96, 99, 117, 121. 
—Hydropsyche, 39, 79, 93, 94, 95, 96, 
LOS, 107 LLOmr olen Loos 
—Leptoceridae, 143, 148, 39, 155, 442. 
—Limno philidae, 117. 
—Molanna, 125, 134. 
—WNeuronia, 39, 148, 155, 185. 
—Phryganeidae, 105, 114, 121, 146, 148, 
174. 
—Polycentro pidae, 135. 
—Rhyaco phila, 88. 
—Rhyaco philidae, 88. 
