346 INDEX. 



Gammarida;, fam., 208. 

 GammarinBe, 209. 

 Gammarus, gen., 209. 



albidus, D., 210. 



asper, D., 209. 



emissitius, D., 211. 

 furcicornis, D., 211. 



hirsuticornis, D., 210. 



orientalis, D., 212. 



"pilosus, D., 213. 



quadrimanus, D., 212. 



setipes, D., 213. 



Suluensis, D., 210. 



ienellus, D., 212. 



tenuis, D., 211. 



validus, D., 212. 

 Gay, Martin, decease of, 223. 

 Gold, crystals of, 246, 249. 

 GoRRY, Dr. Apparatus for making ice, 300. 

 Gould, B. A., Jr. Observations on the planet Metis, 112. On the 



Comet of May, 1849, 149. 

 Graham, J. D. Transit of Mercury, May 8th, 1845, 259. 

 Gray, Asa. Plantse Fendlerianse Novi-Mexicance, 5. On Argyroxi- 

 phium, 159. On Wilkesia, 160. On new genera of the order Vio- 

 laceae, 323. On a new genus of Anonaceae, 325. 

 GuYOT, A. On the configuration of the African continent, 265. On 

 the Middlesex County tornado, 284, 289. 



H. 



Habitat of animals, 181. 



Haldeman, S. S. On some points in Linguistic Ethnology, 165. 



Hall, James. Investigations on Drummond's Island, 253. 



Halos, 303. 



Hayes, A. A. Analysis of alloys, 195. On the urinary red sand, 



196. On Stereoptene, 199. 

 Hepaticology of the United States, 148. 

 Holmes, O. VV. On the use of direct light in microscopic researches, 



326. 



