1918] 



The Ottawa Naturalist. 



159 



Sisyrinchium segetum 56 



Sitia canadensis 88, 1 48 



carolinensis nelsoni 88 



148 



pygmaea pymaea 88 



Smith, Harlan I., articles by. . .59. 96 



Snipe, Wilson's 84, 1 3 1 



Snowflake 1 45 



Solitaire, Townsend's 89 



Soper, J. D., articles by 91, 129 



Sparrow, English 89 



Baird 146 



Chipping 1 46 



Clay-coloured 146 



Nelson 146 



Fox 147 



Gambel's 87 



Leconte 1 46 



Harris 87 



Western Tree 87 



Lincoln 1 46 



White-crowned 146 



White-throated 146 



Tree 146 



Song 146 



Swamp 1 46 



Sooty Song 88 



Savanah 146 



Vesper 1 46 



Spatula clypeata 1 30 



Spiders, Two Burrowing, in 



Manitoba 104 



Spizella monticola ochracea. . .87, 146 



socialis 1 46 



pallida 146 



Sphyraduim endenlulum 42 



Sphyrapicus varius 1 33 



Spinus pinus 87, 1 45 



Spoon-bill 130 



Squatarola squatarola 132 



Slrobilops virgo 43 



Steganopus tricolor 131 



Streptelasma rusticum 99 



Slrophomena parvula 102 



other species of 102, 103 



Sturnella neglecta 86, 134 



Subularia aquatica 55 



Succinea avara 42 



retusa 42 



decampii 42 



Succinea ovalis 42 



iolteniana 42 



Surnia ulula caparoch 85 



Swans 1 40 



Swallow, Rough-winged, near 



Ottawa 46 



Swallow, Tree 31, 147 



Bank 147 



Barn 147 



Cliff 147 



Swift, Chimney 1 33 



Synhomalonotus christyi 124 



Symphemia semipalmaia 131 



Teal, Green-winged 82, 130 



Blue-winged 130 



Telmatodytes palustris plesius. ... 88 



148 



Tern, Black 130 



Thrush, Varied 89 



Olive-backed 149 



Hermit 149 



Grinnell Water 148 



" Wilson 149 



Tiarella laciniata 54 



Totanus melanoleucus 131 



flavipes 131 



Towhee, Spurred 88 



Treasurer's Statement, 1916-17.. 11 



Trachodon mirabilis 135 



Trifolium arvense 55 



Trematis sp 37 



Trilobite, Lower Cambrian 77 



Trillium ovatum 56 



Troglodytes aedon 148 



Trypetid 14 



Tygospira recurviroslris turgida. . 103 



Tyrannus tyrannus 133 



vcrticalis 151 



Valloria costata 44 



pulchella 44 



Verbena hastata 55 



Veronica americana rosea 56 



scutellata villosa .... 56 

 Vertebrates, Outlines of Com- 

 parative Anatomy of 127 



Vertigo elatior 43 



gouldii 44 



milium 44 



ovata 43 



ventricosa 43 



