w 



Pag-e 



Micfotiis pennsylvanicus 84 



pinetorum scalopso- 



ides 94 



Mig^rant shrike 91 



Milk pea 109 



Milkweed 28 



Pasf6 



Mustard, Indian 37 



Mya arenaria 33 



Myrica carolinensis 38 



cerifera 38 



Davisii 96 



Hollicki 96 



, Four-leaved no Mytilus edulis 33 



Milkwort, Orange 109 



N. 



Narrow-leaved chain fern 62 



Naumburgia thyrsiflora 41 



Necrophorus pustulatus 105 



Nehalennia irene 105 



Nelson's sparrow 86, 87 



Nephrodium Boottii multiflor- 



um 65 



Nettle, Stinging 39 



Nettle, Wood 39 



New York fern 62 



Northern pine mouse 94 



shrike 104 



yellowthroat 103 



Nuthatch, Red-breasted 86 



Nuttallornis borealis 91 



Oak, Bartram 98, 



" , Fingered 97 



, Hvbrid 97, 



''^ , Red 



, Scrub 28, 97 



, Spanish 



, Willow 97,98, 



Oblong-leaved sundew 



Oecanthus angustipennis 



bipunctatus 



exclamationis 



fasciatus 



latipennis 



niveus 



quadripunctatus. . . . 



Oidemia perspicillata 



Olivine 



Olive-sided flycatcher 



Onoclea sensibilis 62 



Painted-cup, Scarlet.. 

 Panchlora viridis. . . . 

 Panicum crus-g'alli . . . 



Papilio troilus 



Parnassia caroliniana, 

 Passerculus princeps. . 



Passerella iliaca 



Passerina nivalis 



O. 



1 16 Ophicalcite » 79 



, 98 Orange milkwort 109 



III Orchis, Smaller purple-fringed no 



117 " , spectabilis 11 1 



, 98 Osmunda cinnamomea 62, 66 



97 " Claytoniana 62,66 



117 " reg-alis 62,66 



109 Otocoris alpestris 104 



135 Owl, Barn 84, 86 



135 \\ , Barrred 72,, 113 



135 " , Golden 85 



135 " , Monkey-faced 85 



135 ** , Moping 86 



135 " , Saw-whet 104 



135 " , Short-eared 98 



33 Oxeye daisy 37 



78 Oxyechus vocifera 91 



91 Oxypolis rigidus 41 



, 66 Oyster 12 



P. 



109 Plum, Wild yellow 109 



105 Pogonia ophioglossoides no 



104 " , Rose no 



29 Poison ivy 25 



no " sumac 33 



28 Polygala ambigua 41 



103 " lutea 109 



104 " Nuttallii 41 



