INDEX 593 
Nematognathi, 230. 
Nemobius fasciatus vittatus, 102. 
Neoechinorhynchidae, 225, 232, 233, 235, 
239-252. 
Neoechinorhynchus, 241-242, 245, 246, 
249, 251. 
agilis, 241, 248, 244, 246, 247, 248, 
249, 250-251, 252. 
crassus, 234, 241, 243-244, 254. 
cylindratus, 230, 232, 233, 234. 241, 
242, 254. 
emydis, 231, 234, 241, 242, 253. 
gracilisentis, 240. 
longirostris, 240, 246. 
rutili, 233, 234, 241, 251-252. 
tenellus, 234, 241, 242, 254. 
Neoleucopis, 349, 357. 
pinicola, 357. 
Neorhynchus, 240, 245, 246. 
Neotiphia, 3, 9. 
acuta, 4, 6, 9-10. 
Neottiglossa, 166, 176, 179, 186. 
cavifrons, 186, 187. 
sulcifrons, 186, 187. 
undata, 186, 187. 
New Jersey Tea, 214. 
Nezara, 159, 160, 176, 178. 
Noctuidae, 295. 
Notropis atherinoides, 154. 
Nut-weevils, 104. 
Nyctaginaceae, 562. 
Nysius, 161. 
fe) 
Oak, 174. 
Black, 332. 
Black-jack, 2, 183. 
Red, 335. 
Spanish, 335. 
Oats, 260, 262. 
Ochteridae, 159. 
Ochthiphila, 346, 347. 
polystigma, 347. 
Ochthiphilinae, 345-361. 
Octospinifer, 241, 244. 
macilentus, 230, 232, 234, 244, 254. 
Odonata, 431. 
Odontoscelis pulicarius, 214. 
Odontotarsini, 167-168. 
Oedancala dorsalis, 160. 
Oenothera biennis, 293, 565. 
pratensis, 565. 
rhombipetala, 565. 
Oligochaeta, 477-480, 
490-494, 496, 498, 
508-511, 516-520. 
Onagra biennis, 201. 
Onagraceae, 565. 
Oncopeltus, 161. 
Oncozygia, 171. 
Onoclea sensibilis, 555, 559. 
Ophiobolus, 260, 261, 262, 263, 264. 
graminis, 260, 262. 
herpotrichus, 260, 261, 262, 263. 
Ophion, 55, 56, 57. 
bifoveolatum, 85-86. 
Oplomus, 196. 
Opossum, 128. 
Opuntia fragilis, 532, 565. 
rafinesquii, 183, 184, 564. 
Orchidaceae, 562. 
Ortalid flies, 103. 
Orthoptera, 3. 
Ostracoda, 440. 
Otocoris alpestris, 125. 
Otus asio, 125. 
Owl, Barred, 125. 
Great-Horned, 125. 
Screech, 125. 
Oxalidaceae, 564. 
Oxalis corniculata, 555, 564. 
violacea, 564. 
Oxybaphus, nyctagineus, 562. 
Oxyechus vociferus, 125. 
Oxypolis rigidior, 565. 
Oxytropis lamberti, 563. 
Oyster-beds, 30. 
484, 486-488, 
502, 504-506, 
Oysters, 35. 
ie 
Pachycoris, 169. 
parvulus, 170. 
Pachygronthinae, 160. 
Padaeus, 180. 
