354 
Leeches, scientific names: 
—Clepsine, 84. 
—Dina fervida, 153. 
—Er pobdella punctala, 153. 
—Glossiphonia: 
fusca, 123, 153. 
heteroclita, 153. 
stagnalis, 83. 
—Haemopis: 
grandis, 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. 
—A pantesis phalterta, 285. 
—Basilarchia archippus, 251. 
—Cerura, 232, 259, 279. 
—Datana, 199: 
angusit, 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 undulata, 260. 
—TIsia 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 robiniae, 267. 
—Psychomor pha epimensis, 273. 
—Pyrameis: 
huntera, 270. 
cardut, 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. 
ANIMAL COMMUNITIES 
Light: intensity, 159-60; necessity for 
food supply, 66; penetration in water, 
63; reactions to, 29, 251. 
Limnetic communities, 74-77, 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; im ponds, 150; in 
streams, IOI. 
Long-jaw, 79, 80, 82, 85. 
Maggots, 219. 
Mallard, 171. 
Mammalia, 2. 
Mammals, economic value of, 9, to. 
Mammals, scientific names: 
—Bison bison, 289. 
—Blarina brevicauda, 201. 
—Canis latrans, 286. 
—Citellus: 
franklint, 269. 
13-lineatus, 228, 255, 280. 
—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. 
—Martes: 
americana, 196. 
pennanti, 196. 
—Mephitis mesomelas avia, 269. 
—Microtus: 
ochrogasler, 289. 
pennsylvanicus, 282. 
—Mustela: 
noveboracensis, 201. 
vison lutreocephala, 191. 
—Odocoileus virginianus, 238. 
—Peromyscus: 
bairdii, 286. 
leucopus noveboracensis, 201, 236. 
—Primates, 2. 
—Sorex personatus, 189, 201, 275, 269. 
—Tamias striatus griseus, 269. 
—Tavxidea taxus, 288. 
—Urocyon cinereoargenteus, 237. 
—Vulpes fulvus, 236. 
—Zapus hudsonius, 269. 
Man, relation to animals, 5-20. 
