INDEX 



321 



Leming, Lapland, 298 

 Lepidoplera, Butterflies: 



— Angle wings, 166, 230 



— Cosmopolitan, 230 



— Fritillary, 165, 230 



— Hair-streak, Edward's, 166 



— Monarch, 165, 230 



— Mourning cloak, 166 



— Nymph, wood, 165, 224, 230 



— Painted lady, 230 



■ — Red Admiral, 166 



— Satyr, wood, 166, 224 



— Swallowtail : 



giant, Papilio cresphontes, 222, 241 

 pawpaw, P. ajax, 219, 221 

 spice bush, P. troilus, 166, 220, 221 

 tiger, P. turnus, 222 



— Viceroy, 165, 230 



Lepidoptera, Moths: 



— Actios hma, lunar moth, 222 



• — Basilona imperialism imperial moth, 



222 

 — Calosoma promethea, promethea moth, 



222 

 — Catocala: 



amatrix, sweetheart, 272 



neogama, bride, 272 



retecta, yellow-gray underwing, 

 222 



vidua, widow, 222 

 — Cither onia regalis, royal moth, 222 

 — Cressonia jiiglandis, walnut sphinx, 



222 

 —Diacrisia virginica, yellow bear moth, 



257, 258 



• — Estigmena acraea, salt-marsh cater- 

 pillar, 257, 258 



— Feltia suhgothica, dingy cutworm 

 moth, 257, 258 



— Isia isahella, Isabella moth, 258 



— Prionoxystus robiniae, goat moth, 226 



— Samia cecropia, cecropia moth, 222, 

 272 



— Scolecocampa lihurna, 228 



— Telea polyphemiis, polyphemus moth, 

 222 



Lettuce, wild, Lactiica scariola 



Light, as a factor in plant distribution, 

 100, 109 



Light intensity in forests, 202 



Lily-of-the-valley, false, Maianthemum 

 canadensis 



Limestone, 45, 70 



Limonite, 72 



Lizard, six-lined, see Reptilia 



Locust, see Orthoptera 



Loosestrife, fringed, Steironema cili- 



atum 

 Lousewort, Pedicidaris canadensis 



Lung fish, 105 



Lupine, Lupinus perennis 



Luster, 70 



Magnesian limestone, 34, 36, 47, 54 



Mammals: 



— Blarina brevicaudata, short-tailed 



shrew, 214, 274, 275 

 — Citellus: 



franklini, Franklin's ground squir- 

 rel, gopher, or spermophile, 229, 



tridecemlineatns , thirteen-lined 

 ground squirrel, gopher, or 

 spermophile, 252, 255 

 — Condylura cristata, star-nosed mole, 



252 

 — Fiber zibethicus, muskrat, 241 

 — Geomys bursariiis, pocket gopher, 253, 



255 



— Marmota monax, woodchuck, 165, 



229, 230 



— Microtus: 



ochrogaster, field mouse, 253 

 pennsylvanicus, Pennsylvania 

 meadov/ mouse, 253, 254, 256 



— Myotis lucifugus, brown bat, 227 



— Peromycns: 



bairdii, prairie deer mouse, 253 _ 

 leucopus novaboracensis, white- 

 footed deer mouse, 214, 217, 275 



— Scalopus aquaticusy mole, 165, 214, 



217, 275 



— Sciurus: 



caroUnensis leticotis, gray squirrel, 

 166 



hiidsonicus loqiiax, red squirrel, 159 



niger rufiventer, fox squirrel, 166 

 — Sorex personatus, common shrew, 229 

 — Sylvilagus floridaniis mearnsii, gray or 



cottontail rabbit, 229 

 — Tamias striatus griscus, chipmunk, 



159, 229 



— Zapus hiidsonius, jumping mouse, 229 



Maple-beech association, 115, 203, 206 

 Maquoketa shale, see Richmond shale 

 Marble, dolomitic, 40 

 Marsh marigold, Caltha palnslris 

 May apple. Podophyllum pcltatum 



