403 



Crania, East Indian, measurements of, 

 194. 



Crawfish, with eyes, in Mammoth Cave, 

 57. 



Crustacean impressions in Connecticut 

 Sandstone, 277. 



Crystals, South American, from sur- 

 face of ground, 384; account of, 391; 

 analysis of, 392. 



Curators, annual reports of for 1854, 

 45; 1855, 196; 1856, 361. 



Cyclas, three groups of, 122. 



crocea, Lewis, 25. 



nobilis, Gould, 229. 



Cynocephalus, diseased cranium of, 275. 



Dasylophus, remarks on, 256. 

 Degeneration of hybrids, 222. 

 Distinctive osteological features of fossil 

 reptiles and fishes, 259. 



Earthquakes, Perrey's theor}'- of, 136; 

 Charles Stodder's,"'l38; discussion on, 

 139 ; M. Perrey on, 273 ; C. F. Wins- 

 low's theory of, 157. 



Earthworm, climbing of, 225. 



Echinococci from human liver, 307. 



Elater noctilucus, 390. 



Elephas primigenius, epoch of. Prof. 

 H. D. Rogers on, 22. 



Emys picta, 394. 



Entomological cabinet committed to 

 Dr. Durkee's charge, 257 ; to Dr. Bry- 

 ant, 155. 



Equisetum arvense, said to have caxised 

 the death of horses, 383. 



Esox ornaius, Girard, 41. 



European Verd Antique, 341 ; C. T. 

 Jackson on, 341; W. B. Eogers on, 

 343. 



Excursions by the Society, 396. 



Filaria Medinensis, 277. 



Fish, artificial propagation of in Massa- 

 chusetts, 353; petition in aid of, 353; 

 blind, in Green River, 57 ; from Co- 

 chituate water-pipe, 206 ; dead, shoals 

 of, 207. 



Fish, new species of, 39; of California, 

 new species of, 94. 

 <Fish-Guano Company, Narraganset, 

 method of manufacture, 355. 



Fisheries, Xev^ England, report on, 352. 



Footprints of American Ostrich, casts 

 of, 275. 



Footprints in cflrboniferous strata of 

 Pennsylvania, 258 ; of Crustacea, 276. 



Fossil bones from Connecticut River 

 Sandstone, 238 ; egg, 107 ; from guano, 

 165; analysis of, 166. 



Fossils, Greenfield, report on, 39. 



Fossil impressions of Connecticut Val- 

 ley, James Deane on, 348. 



Fossil impressions of Connecticut Sand- 

 stones, donation to members of his 

 work on, by J. C. Warren, 49. 



Fossil impressions in red shale of an- 

 thracite coal measures of Pennsyl- 

 vania, 182 ; of spray, 185. 



Fossil impressions of rain-drops imitated 

 in plaster of Paris, 185. 



Fossil impressions of rain-drops in Con- 

 necticut River Sandstone, 187. 



Fossils in Nova Scotia iron ore, 242; 

 from the Paris basin, 239; from the 

 Rocky Mountains, 191; Secondary, of 

 United States, 14 ; on South Shore of 

 Lake Superior, 85. 



Fossil plants of Pennsylvania, new 

 species of, 63. 



Fossil reptiles and fishes, distinctive 

 osteological features of, 259. 



Fossil shark's teeth, 233. 



Frog, circulation in lung twenty min 

 utes after removal from body, 206. 



Fungi, New England, catalogue of, by 

 C. J. Sprague, 326. 



Fungus, ( Uredo effiisa,) on rose-bush, 

 210. 



Gar-pike, chemical composition of 

 scales of, 92. 



Geological character of the copper de- 

 posit at Keweenaw Point, 279. 



Geological date of coal rocks of Vir 

 ginia and Pennsylvania, 17. 



Geology of parts of Nova Scotia and 

 New' Brunswick, 242 ; of southern 

 coast of the United States, 233 ; of 

 eastern base of Rocky Mountains, 190. 



Gigandibus caudatus, impression of 

 in Connecticut River Sandstone, 305, 

 309. 



Gigantic tree of California, 75.^ 



Glacier action, effects of, imitated in 

 mud, 44. 



Glow worms, 79. 



Golden Eagle shot in Massachusetts, 

 272. 



Greensand deposit at Truro, 238 ; fossils 

 of, 238. 



Greensand, Prof. J. W. Bailey on origin 

 of and formation at the present day, 

 364 ; in Gulf Stream and Gulf of 

 Mexico, 367 ; made up of casts of 

 Polythalamia, Mollusks, &c. 367. 



Grosbeak, red-breasted, {Guiraca Ludo- 

 viciana,) peculiar markings on, 208. 



Grouse, species of, in New England, 154. 



Guano, Arenaceous, analysis of, &c. 

 351. 



Guano rock, 349 ; analysis of, 350. 



Guinea worm, microscopic structure of, 

 278. 



Guiraca Ludoviciana, peculiar mark 

 ings on, 208. 



