389 
Empidonax obscurus, 206. 
pusillus, 206. 
Ephemera ammeenicauda, 291. 
bispinosa, 292. 
cupida, 292. 
decora, 290. 
luteipennis, 292. 
natata, 292. 
terminalis, 292. 
Epbemerella excrucians, 292. 
Epizeschna Heros, 271. 
Epitheca forcipata, 268. 
obsoleta, 268. 
Eremophila cornuta, 202, 236. 
Hreunetes petrificatus, 241, 
Erismatura rubida (see Hrrata), 210. 
Euspiza americana, 238. 
Falco anatum, 232. 
columbarius, 232. 
sparverius, 207. 
Florida coerulea, 227. 
Fortification, account of an aboriginal, 28. 
Fulix affinis, 210 
eollaris, 210, 241. 
Galeoscoptes carolinensis, 220. 
Gallinago Wilsoni, 209, 240. 
Gambetta flavipes, 241. 
melanoleuca, 241. 
Gelasimus pugaax, 256. 
Geococcyx californicus, 206. 
Geothlypis Macgillivrayii, 197. 
trichas, 197, 222, 234. 
Glabella aureocincta, 22. 
opalina, 21. 
Glaciers of the Yosemite, 36. 
of New England, 48. 
agency of, in excavating valleys, 
Gompheschna furcillata, 272. 
Gomphus exilis, 273. 
Goniaphea ludoviciana, 224. 
Goniotaulius, 296. 
GREENLEAF, R.C. Resolution of Am- 
phipleura perciaa, 156. 
Grus americanus, 209, 240. 
canadensis, 209, 240. 
Guiraca ludoviciana, 238. 
Gymnotitta cyanocephala, 204. 
HAGEN, Dr. H. A. On dipterous larvee 
in a child, 155; “on the Pseudoneurop- 
tera and Neur optera in the Harris 
Collection, 263; on the larvee of the 
Hemerobina, 243 « on the eggs of Per- 
thostoma, 254; on Mr. Scudder’s 
“Odonata of the Isle of Pines,” 373; 
on Mr. Scudder’s *‘ Odonata from the 
White Mountains,” 376; on Prosopis- 
toma and Betisca, 377; on the Phry- 
ganids, 384. + 
Hage nius brevistylus, 272. 
Halizetus leucocephalus, 207, 232. 
Hallesus Argus, 295. 
gutiifer, 295. 
hostis, 295. 
vittatus, 296. 
Harporhynehus rutus, 236. 
HARRIS COLLECTION, Neuroptera of, 
263. 
HARTT, C. FRED. On the origin of the 
Amazon basin, 153. 
Helminthophaga celata, 196, 234. . 
chrysoptera, 222, 234. 
pinus, 234. 
ruficapillus, 234. 
virginiz, 196. 
Helmitherus vermivorus, 221. 
Hemerobina, larvee of the, 243, 247. 
Hemerobius irroratus, 299. 
mononeurus, 300. 
tutatrix, 300. 
Heptagenia maculipennis, 292. 
Hesperiphona vespertina, 199. 
Hetrina americana, 274. 
Hexagenia bilineata, 291. 
limbata, 291. 
Hirundo bicolor, 235. 
horreorum, 198, 223, 235. 
lunifrons, 223, 235. 
Hircncocs, C.H. Classification of the 
rocks of New Hampshire, 304. 
HOLDEN, C. H., JR., and C. KE. AIKEN. 
Notes on the ’pirds of Wyoming and 
Colorado, 198. 
Hunt, Dr. I. T. Exhibition of seeds 
from Mexico, containing Lepidopter- 
ous larvee, 154. 
Hunt, Dr. T. STERRY. On the theo- 
ries of volcanoes, 250; on concentric 
lamination of rocks, 261; on the geol- 
ogy of the White Mts., 309; eulogy on 
Dr. John Torrey, 312. 
Hyatt, A. The non-reversionary series 
of the Liparoceratide, and remarks 
on the series of the Dactyloide, 4. 
Hydrobata mexicana, 194. 
Hydrochelidon fissipes, 241. 
plumbea, 210. 
Hydropsyche morosa, 297. 
Hylatomus pileatus, 226, 233. 
Icteria longicauda, 197. 
virens, 222. 
viridis, 234. 
Icterus Baltimore, 224, 239. 
Bullocki, 203. 
spurius, 225, 239. 
Indians, 28, 35. 
Iowa, birds of, 229. 
Isopteryx Cy dippe, 289. 
JACKSON, Dr. C.T. Analysis of mete- 
oric iron from California, 254; on the 
geology of New Hampshire, 309. 
JEFFRIES, Dr. B. JOY. On color blind- 
ness, 187. 
Juneo annectens, 201. 
caniceps, 201. 
hyemalis, 201, 237. 
oregonus, 200. 
KNEELAND, DR. S. On the glaciers of 
the Yosemite, 36; winter phenomena 
of the Yosemite, 148; remarks on a 
Japanese Junk supposed to have 
drifted to Alaska, 151; on the effects 
of an earthquake in the Yosemite 
Valley, 185; on the volcanoes of the 
Sandwich Islands, 248. 
