414 



Genera, limits of, 380. 



Geology of Ohio, 293. 



Geothiypis philadelphica, 110. 

 triclias, 110. 



Glacial action in Alaska, 145, 149, 150, 

 151. 



Glyptemys insculpta, 175. 



Gould, Dr. A. A. Kepublication of 

 his work on Mollusca of Massachu- 

 setts, 10. 



Graciilus dilophus, 126. 



Granite rocks, structure of, 2S9. 



Grasshoppers, migratory, 87. 



Greenleaf, K. C On the markings 

 of Aniphipleura pellucida, 152; on the 

 double plate of Aulacodiscus oreganus, 

 S81; on a gathering of diatoms from 

 Ashley River, S. Carolina, 362. 



Grus americauus, 123. 



Guiraca cjerulea, 116. 



ludoviciana, 116. 



Gygis alba, 306. 



Gymnastria spinosa, 384. 



Gypona, 327. 



Hadencecus cavernarun*, 409. 



i:dicar(lsiL 408, 409. 

 palpatus, 409. 

 Haematopus palliatus, 122. 

 Hagen, H. On Hodotermes japonicus, 

 139; on an imago of Morpho with a 

 caterpillar's head, 163; on the manu- 

 facture of microscopes, 357, 397 ; on 

 the diseases of injurious insects, 381. 

 Haliaetus leucocephalus, 120. 

 Hapithus quadratns, 140. 

 Harelda glacialis, 125. 

 Harporhyuchus rufus, 107. 

 Hawaiian Islands, flora of, 158, 164; 

 birds of, 294; native names of birds 

 of 308; volcanoes of, 225. 

 Heliaster Kubiniji, 387. 

 HelicidtC, clas.sification of, 318. 

 Helmintherus Swainsonii, 109. 

 verraivorus, 109. 

 Helminthophaga Baehnianii, 109. 

 celata, 108. 

 chrysoptera, 109. 

 peregrina, 109. 

 pinus, 109. 

 ruficapilla, 109. 

 Hemidactilium scutatum, 249. 

 Hemiguathus lucidus, 298. 

 obscurus, 298. 

 olivaceous, 298. 

 Hemiphlolis gracilis, 391. 

 Hemiptera of Ecuador and Brazil, 321. 

 llerodias egretta. 123. 

 Hesperia Metea, 319. 



Pocahontas, 320. 

 Quadaquina, 320. 

 Hesperomannia arborescans, 76. 

 Heterocerus fatuus. 93. 

 Heterodon platyrliinos, 182. 

 Hills, L. On new localities for miner- 

 als in Maine, 98; on a beaver dam, 

 137. 

 Himautopus nigricollis, 123. 

 Uippoglossus vulgaris, 402. 

 dirundo bicolor, 111. 



Hirundo horreorum. 111. 



Histiophorus homa/orhamphus, 310. 



Hodotermes japonicus, 139. 



Hoy, V. K. On the niditication of Coop- 

 er's hawk, 398 ; on Cotyle serripennis 

 and limpidonax flaviveutris, 400. 



Hyatt, A. On the absence of distinct 

 marks of glacial action in Alaska, 149; 

 on the development of Nautili, 217. 



Hydrochelidon tissipes, 127. 



Hyla Pickeringii, 190. 

 squirella, 189. 

 versicolor, 189. 



Hypoloxias coccinea, 301. 



Hypselonotus liuea, 325. 



Ibis alba, 124. 

 Ordii, 123. 

 Ichneumonsis, 381. 

 Icteria viridis, 110. 

 Icterus baltimorensis, 117. 



spurius, 117. 

 Ictinia mississippiensis, 120. 

 Indian relics, 219. 

 Insects, diseases of, 381. 

 Intelligence of a larva, 274. 

 Iowa and Illinois, birds of, 85. 

 Ischnoptera melana, 342. 

 Ischyodus dicaricatus, 315. 

 moiioloplms, 314. 

 iSmockii, 316. 



Jacksojj, C. T. Analysis of petrosilex, 

 84 ; Description of "beds of apatite in 

 Canada, 88 ; discovery of tin in Wins- 

 low, Me., 287. 



Jeffries, B. J. Upon Euplectella spe- 

 ciosa, 76; experiments upon after pic- 

 tures, 76, 318 ; on the principle of the 

 thaumatrope, 94 ; on the vision of 

 fishes and amphibians, 225 ; on accom- 

 modation in the eyes of birds, 400. 



Junco hyemalis. 115. 



Labia bilineafa, 345. 



Ladies invited to attend meetings, 90. 



Lampropeltis triangula, 180. 



Landslides in JIaiue, 235. 



Larus delawarensis, 126. 



marinus, 126. 



Smithsonianus, 126. 

 LarviE, comparative study of, 91. 

 Lectures announced. 138, 162. 

 Lepfomylus densus, 313. 

 Leptosiylus macula, 274. 

 Letters received, list of, 25. 

 Library, additions to, 11, 29; work done 



in, 12. 

 Limacodes compared to Hymenoptera, 



Limosa fedoa, 123. 



hudsonica, 123. 

 Liopeltis vernalis, 182. 

 Lophacris Humboldtii, 337, 354. 

 Olfersii, 354. 

 Velasquezii, 354. 

 Lophodytes cucullatus, 125. 

 Lophophanes bicolor, 107. 

 Lycsena Lucia, 406. 



