391 
Mormonia, 297. 
togata, 297. 
MORSE, Epw. §. On the oviducts of 
Terebratulina, 211: on the systematic 
position of Dentalium, 242; on Rhyn- 
chonella, 242; on the systematic posi- 
tion of the Brachiopoda, 315. 
Mound-pbuilders, skulls of, 228. 
Muir, JOHN. Extracts from letters of, 
relative to the Yosemite Valley, 148, 
185. 
Mygale, habits of, 303. 
Myiadestes Townsendi, 198. 
Myiarchus crinitus, 225, 233. 
mexicanus, 205. 
Myiodioctes mitratus, 235. 
pusillus, 197. 
Myrmeleon abdominalis?, 299. 
tectus ?, 299. 
Myreleonina, 247. 
Nauclerus furcatus, 232. 
Nemopterygina, 247. 
Nemoura perfecta?, 290. 
Neophylax concinnus, 296. 
Nettion carolinensis, 210, 241. 
Neureschna vinosa, 272. 
Neuronia, 384. 
dossuaria, 293. 
ocellifera, 294. 
pardalis, 293. 
postica, 294. 
semifasciata, 294. 
stygipes, 294. 
New England, Post-Tertiary history of, 
48. 
New Hampshire, classification of the 
rocks of, 304. 
NILES, W.H. Effects of pressure upon 
rocks,1; on the agency of glaciers in 
the excavation of valleys and lake 
basins, 378. 
Numenius longirostris, 210, 241. 
Nyctea nivea, 233. 
(istrus, 155. 
OFFICERS, election of, for 1872-3, 184. 
Ommastrephes sagittatus, 255. 
Oporornis agilis, 3 
formosus, 222. 
Oreoscoptes montanus, 194. 
Ortyx virginianus, 214, 217, 227, 240. 
Osmylina, 247. 
Otus wilsonianus, 208, 232. 
PACKARD, Dr. A. S., JR. On colossal 
squid, 255; on a new ’Bopyrus, 256; de- 
velopment of Gelasimus, 256. 
Panama, geology of, 191. 
Pandion carolinensis, 232. 
Panorpa debilis, 300. 
lugubris, 300. 
maculata, 300. 
nebulosa, 300. 
rufescens, 300. 
Panyptila melanoleuca, 206. 
Parula americana, 196, 221, 234. 
Parus atricapillus, 221, 236. 
montanus, 195. 
septentrionalis, 195. 
Passerculus savanna, 237. 
Passerella iliaca, 238. 
Pediocextes columbianus, 208. 
Pelecanus erythrorhynchus, 241. 
Perethemis Domitia, 375. 
tenera, 268. 
PERKINS, DR. HENRY Cort, death of, 
310. 
Perla abnormis, 288. 
fulvovittata, 289. 
isogona, 288. 
semifasciata?, 289. 
vitticollis, 289. 
Peronoceras acanthopsis, 13. 
subarmatum, 14. 
Peronocerine, 13. 
PERRY, JOHN B. Hints toward the 
Peet Toray history of New England, 
8. 
Perthostoma aurantiaca, 254. 
Petrochelidon lunifrons, 197. 
Philohela minor, 227. 
Phryganea, 385. 
Phryganea Argus, 295. 
cinerea, 293. 
coagulata, 296. 
humeralis, 293. 
hispida, 297. 
modesta, 296. 
improba, 293. 
interrupta, 293. 
obsoleta, 296. 
plurifaria, 293. 
quadrula, 296. 
undatula, 296. 
vestita, 296. 
vittata, 296. 
Phryganide, 384. 
Pica hudsonica, 204. 
Picicorvus columbianus, 203. 
PICKERING, DR. CHARLES. Remarks 
on the Sacramento Indians, 35. 
Picus Gairdneri, 206. 
Harrisi, 206. 
pubescens,, 226 233. 
villosus, 226, 233. 
Pieris rapz, 188. 
Pipilo arcticus, 202. 
chlorurus, 202. 
erythropthalmus, 224, 238. 
mesoleucus, 202. 
Plathemis trimaculata, 263. 
Platyphylax coagulata, 296. 
irroratus, 296. 
subfasciatus, 296. 
Platypleuroceras brevispina, 11. 
Plectrophanes lapponicus, 236. 
nivalis, 236. 
Podilymbus podiceps, 242. 
Polioptila coerulea, 221, 236. 
Polycentropus cinereus ?, 297. 
Polystoechotes punctatus, 299. 
Poocetes gramineus, 199. 
Porzana carolina, 241. 
PRIZES, award of the Walker, 219. 
Progne purpurea, 235. 
subis, 223. 
Prosopistoma, 377. 
Psaltriparus plumbeus, 195. 
Psocus lugens, 280. 
