Viii 



Page 



Sea, Questions connected ■with Saltness of the 2l*J 



Sebmann on Parthenogenesis, 305 



Serpentine, Hunt on 28 



Shells, 97-195 



Fossil in the Pliocene deposits, 402 



SiLLiMAN on Counterfeiting, 297 



SiLLiiiAN on Dressing Ores, 268 



SiTTA Carolinensis. (Bird), 144 



Slate, 56 



Smallwood on Ozone, 321 



Meteorology of Montreal, 328 



Tables of do., end of Vol 



Solar Influence on Combustion, 249 



Sparrow, N. H. of the Song (P. melodia), 47 



Species, Thoughts on •. 287, 39 



Springs, Hind on Briney 54 



Steatite, Hind on 61 



Sternbergia, Dawson on the 299 



SuRNiA, Genus of Owls, 139 



Testimony op the Rocks, reviewed, 81 



Tetrao Umbellus (Grouse), 92-144 



TuoMEY, Professor, Death of, noticed, 320 



TuRDUs MiGRATORius (Robiu), 141 



Vanessa Antiopa. — (Butterfly), 93 



Valvata.— Genus of F. AV. Shells,. 213 



Canadian Species, 213-215 



"Wax- wing (B. garrula) 144 



Weasel, the Common (Pretorius erminea) , 455 



Weights and Measures 245 



Whittlesey on North American Lakes 280 



On the Origin of Coal 286 



On Ancient Mining 292 



Wilkes on Zodiacal Light 243 



Wilson on Paul Kane's Pictures 294 



On the Cranial Type of the American Race 289 



WooD-CHUCK (A. monax) 112 



Woodpecker (P. pubescens) 144 



