3 6 ° 



ANIMAL COMMUNITIES 



Leeches, scientific names: 



— Clepsine, 84. 



— Dina fervida, 153. 



— Erpobdclla punctata, 153. 



— Glossiphonia: 



fusca, 123, 153. 



heteroclita, 153. 



stagnalis, 83. 

 — Eaemopis: 



grand is, 103, 121, 153. 



marmoratis, 153. 

 — Macrobdella decora, 135, 151, 153. 

 — Placobdella: 



parasitica, 135, 148, 150, 153. 



rugosa, 117, 153. 

 Lepidoptera, scientific names: 

 — Acronycta oblinita, 188, 267. 

 — Agrotis ypsilon, 285. 

 — Alypia octomaculata, 273. 

 — Ampelophagus myron, 268. 

 — Anisota senatoria, 241, 260. 

 — Anthocharis genutia, 257. 

 — Apantesis phalterta, 285. 

 — Basilarchia archippus, 251. 

 — Cerura, 232, 259, 279. 

 — Datana, 199: 



angusii, 260. 

 — Diacrisia virginica, 285. 

 — Estigmena acraea, 284, 285. 

 — Evetria comstockiana, 228, 229, 258. 

 — Geometridae, 205. 

 — Halisidota, 238, 260. 

 —Hemileuca maia, 188, 268, 276. 

 — Heterocampa guttivitta, 259. 

 — Hydria undidata, 260. 

 — /sia Isabella, 285. 

 — Leucania unipuncta, 285. 

 — Nadata gibbosa, 231, 233, 259. 

 — Noctuinae, 204. 

 — Papilio: 



ajax, 244. 



cresphontes, 268, 276. 



troilus, 244. 

 — Pieris protodice, 220, 222. 

 — Prionoxystus robiniac, 267. 

 — Psychomorpha epimensis, 273. 

 — Pyrameis: 



hunter a, 270. 



cardui, 270. 

 — Samia cecropia, 199. 

 — Scepsis fulvicollis, 170, 284, 297. 

 — Schizura, 268. 

 — Symmerista, 199: 



albifrons, 200, 260. 

 Licenses to collect animals, 57. 

 Liebig's law of minimum, 68. 

 Life histories: physiological, 33; repre- 

 sented as circles, 71. 



Light: intensity, 159-60; necessity for 



food supply, 66; penetration in water, 



63; reactions to, 29, 251. 

 Limnetic communities, 74-7 7, 103, 125, 



140. 

 Living substance, 22. 

 Lizard, six-lined, 227. 

 Localities studied, 52-56. 

 Locust: lesser, 227; long-horned, 227; 



lubbery, 262; mottled sand, 227; 



narrow- winged, 227; sand, 227. 

 Logs: lake, 131; in ponds, 150; in 



streams, 101. 

 Long- jaw, 79, 80, 82, 85. 



Maggots, 219. 



Mallard, 171. 



Mammalia, 2. 



Mammals, economic value of, 9, 10. 



Mammals, scientific names: 



— Bison bison, 289. 



— Blarina brevicauda, 201. 



— Cams latrans, 286. 



— Citellus: 



franklini, 269. 



13-lineatus, 228, 255, 286. 

 — Fiber zibethicus, 156. 

 — Geomys bursarius, 288. 

 — Hominidae, 2. 

 — Homo sapiens, 2, 319. 

 — Lepus americanus, 191, 195. 

 — Lutra canadensis, 195, 199. 

 — Lynx rufus, 242. 

 — Marmota monax, 215, 253. 

 — Maries: 



americana, 196. 



pennanti, 196. 

 — Mephitis mesomelas avia, 269. 

 — Microtus: 



ochrogaster, 289. 



pennsylvanicus, 282. 

 — Mustela: 



noveboracensis, 201. 



vison lutreocephala, 191. 

 — Odocoileus virginianus, 238. 

 — Peromyscus: 



bairdii, 286. 



leucopus noveboracensis, 201, 236. 

 — Primates, 2. 



— Sorex personatns, 189, 201, 275, 269. 

 ■ — Tamias striatus griseus, 269. 

 ■ — Taxidea taxus, 288. 

 — Urocyon cinereoargentens, 237. 

 — Vulpes fulvus, 236. 

 — Zapus hudsonius, 269. 

 Man, relation to animals, 5-20. 



