INDEX 



321 



Leming, Lapland, 298 



Lepidoptera, 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 cres phonies, 222, 241 

 pawpaw, P. ajax, 219, 221 

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

 tiger, P. turnus, 222 



Viceroy, 165, 230 



Lepidoptera, Moths: 



Actias luna, lunar moth, 222 



Basilona imperialis, 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 juglandis, walnut sphinx, 



222 



Diacrisia virginica, yellow bear moth, 

 257, 258 



Estigmena acraea, salt-marsh cater- 

 pillar, 257, 258 



Feltia subgothica, dingy cutworm 

 moth, 257, 258 



Isia Isabella, Isabella moth, 258 



Prionoxystus robiniae, goat moth, 226 



Samia cecropia, cecropia moth, 222, 

 272 



Scolecocampa liburna, 228 



Telea polyphemus, polyphemus moth, 

 222 



Lettuce, wild, Lactuca canadensis 



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, Pedicularis 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, 



2 53 



tridecemlineatus, thirteen-lined 

 ground squirrel, gopher, or 

 spermophile, 252, 255 

 Condylura cristata, star-nosed mole, 



252 



Fiber zibethicus, muskrat, 241 

 Geomys bursarius, pocket gopher, 253, 



255 



Marmota monax, wood chuck, 165, 



229, 230 

 Microtus: 



ochrogaster, field mouse, 253 



pennsylvanicus, Pennsylvania 



meadow mouse, 253, 254, 256 

 Myotis lucifugus, brown bat, 227 

 Peromycus: 



bairdii, prairie deer mouse, 253 



leucopus novaboracensis, white- 

 footed deer mouse, 214, 217, 275 

 Scalopus aquaticus, mole, 165, 214, 



217, 275 

 Sciurus: 



carolinensis leucotis, gray squirrel, 

 166 



hudsonicus loquax, red squirrel, 159 



niger rufiventer, fox squirrel, 166 

 Sorex personatus, common shrew, 229 

 Sylvilagus floridanus mearnsii, gray or 



cottontail rabbit, 229 

 Tamias striatus griseus, chipmunk, 



159, 229 



Zapus hudsonius, jumping mouse, 229 

 Maple-beech association, 115, 203, 206 

 Maquoketa shale, see Richmond shale 

 Marble, dolomitic, 40 

 Marsh marigold, Caltha palustris 

 May apple, Podophyllum peltatum 



