180 



The Ottawa Naturalist. 



[Mar. 



PAGE 



Sphaerium, species found at 



Ottawa 19 



Spiints tristis 116 



Styracosaurus albertensis 109 



Stylemys nebrascensis. Re- 

 markable specimen of, from 

 the oligocene of Wyoming, 



U.S.A 5 7 



Terrill, L. McL, articles by. .43, 76 



Testudo, Description of new 



species of 5 7 



Tilia americana 39 



euro pea 40 



Trachodon, the maims of a 

 specimen of, from Edmon- 

 ton formation of Alberta . . 21 



Trees, Shade, of Ottawa, . . 31, 38 



Treasurer's Statement, 



O.F.N.C 11 



Tyrannns vertical-is 70 



Ulmus americana 35 



fulva 35 



campestris 35 



" glabra 35 



racemosa 53 



PAGE 



Victorin, Bro., article by.. . . 15 



Viola sclkirkii 74 



Viola, Species and forms of , 



in vicinity of Ottawa 53 



Walnut ' 32 



Weymouthia . . . 102 



White, Annie G. H., article 



by... 106 



Williams, M. G., article by. . 3 7 



Willow Ptarmigan 76 



Willow, Weeping 31 



Woodpecker, Arctic Three- 

 toed 44 



Downy 44 



X o r t h e r n 



Hairy 44 



Nor t h e r n 



Pile ate d 44 



Woodward ia virginica '. 99 



Xyiogra pita micrographa 121 



Zapus Princips minor. 



30 



3C4f> 





