Index 



685 



vittatus, *I59 ; chirping 

 of, 159 

 Nemoura, 74 

 Neophasia menat^ia, 445 

 Nepa, 201 

 Nepidx, Nepa (nepa, a 



scorpion), 194, 201 

 Nerve endings in labial 

 palpus of Machilis poly- 

 foda, *26 ; in maxillary 

 palpus of Locusta viri- 

 dissima, *26 

 Nerve-winged insects, 223 

 Nervous system, 20 ; in 

 head of locust, *23 ; of 

 house-fly, *22 ; of locust, 

 *22 ; of midge, *22 ; 

 stages in development 

 of, of honey-bee, *24 ; 

 stages in development 

 of, of water-beetle, *25 : 

 sympathetic. 23; of larva 

 of harlequin-fly, *24 



Nest, artificial, for ants, 

 *550; communal, of yel- 

 low-jacket, Vcspa sp., 

 *505 ; Fielde, for ants, 

 *55i ; Janet, for ants, 

 *550. *55i ; of Califor- 

 nia honey-ant, 546 ; of 

 Camponotus pcnnsyl- 

 ranicus, *545 ; of bum- 

 blebee, *5i9; of leaf-cut- 

 ter bee, *5I4; of a mud- 

 dauber wasp, *499 ; of 

 Vespa crabro. *504 ; of 

 western agricultural ant, 

 *542 ; of yellow-jacket, 

 Vcspa sp., cut open to 

 show combs within, *5o6 



Nest-building of wasps, 

 508 



Nest-burrow of Ammophi- 

 la. *494 ; of Astata uiii- 

 color. *500 ; of Oxybclus 

 quadri-notatiis, *4gi : of 

 short-tongued mining- 

 beetle, *5i6 



Nesting-grounds of Am- 

 mophila, *492 



Nests, for rearing ants, 

 548 



Nest-tunnel of carpenter- 

 bee, *5I3 



Nest-tunnels of tw-o car- 

 penter-wasps. *502 



Net. for collecting insects. 

 how to make, 635 ; wa- 



ter, for collecting drag- 

 on-fly nymphs. *87 



Net-winged midge, cross- 

 section of body of larva 

 of, *3iS ; cross-section of 

 eyes of, *3I7; female, 

 *3i6; female, mouth- 

 parts of, *3i6; head of 

 larva of, showing forma- 

 tion of adult head-parts. 

 *3i8; heads of male and 

 female of, *3i6; larva of, 

 *3I5 : mouth-parts of, 

 *9; mouth-parts of larva 

 of, *3i7; pupa of, *3I5; 

 venation of wing of, 

 *.U7 



Net-winged midges, 304, 

 ,^14 



Neuroptera {vcvpov, neu- 

 rum, nerve; Trrepov, 

 pterum, wing), 55, 223; 

 key to families of, 224 



Nccara pcnnsylvanica, 214 



Nicolctia texcnsis, *6i 



Nirmus, 118; fclix, *I2I, 

 122; lincolatus, 116; pi- 

 Icus, 117; prastans, *II4 



Nitzschia, 119 



Noctuidae, Noctua (nor/ua, 

 a night owl), 370, 399 



Nomadidse, N o m a d a 

 (I'd/jnf, nomas, nomad) 



4.=;5 



Nomctettix parvus, *I48 

 "No-see-ums," 310 

 Nolodonta stragiila, *392 

 Notodontid, venation of, 



*392 

 Notodontids, Notodonta 

 (vCiToc, notus. the back ; 

 Mav^, odus, tooth), 369, 

 392 

 Nololophus Irucosligma, 

 405 ; developing mouth- 

 parts of, *363. 



Notonecta. 199 



Notonectidas, Notonecta 

 (viJToc, notus. the back; 

 I'jJKTi;^, ncctes. a swim- 

 mer). 194. 198 



Nntum (dorsal wall of a 

 body segment) 



Number of insect species. 

 .S6 



Nyctcribiidae, Nycteribia 

 {vvKTcplt:, nycteris, a 



bat: 0ioi, bins, life), 

 .351. 3S2 



Nycteribia sp., 352 



Nymph (young of insects 

 with incomplete meta- 

 morphosis), *42, *67 



Nymphalid, venation of, 

 *440 



Nymphalidse. Nymphalis 

 (|'!'."?7, ny m p he , a 

 nymph), 450 



Oak bucculatrix - moths, 



376 



Oak leaf-roller, 380 



Oak-apples. 471. *472 



Oak-scale, southern Cali- 

 fornia. *I92 



Oak-worm moth, orange- 

 striped, *428 



Oblique-banded leaf-roller, 

 .380 



Oblong leaf-winged katy- 

 did, *i5i 



Obsolete-banded strawber- 

 ry leaf-roller, larva of, 

 *364 ; pupa and adults 

 of. *365 



Ocellar lens of larva of 

 saw-fly. *30 



Ocellus. *3. 31 ; section of, 

 of honey-bee. *^';o 



O d o n a t a ('"loif. odus,. 

 tooth, applicability un- 

 certain). 53. 75 



Odontomachus hcrmatodcs,. 

 340 



Odontoniyia. venation of 

 wing of, *329 



Odyncrus, 499 



CEcaiithus angustipcunis, 

 160 : f a s c i a t u s. *i59,. 

 *i6o: nivcus, *i.i9. 160 



Qldcmasia cnncinna. 394;: 

 c.rimia. *393 ; larva of, 

 *393 



CEdipodinae, 136, 143 



dneis. 457 



CEstridae, Oestrus {nlorpo^^ 

 wstrus, a gadfly, a 

 sting). 332. XV 



Oikcticus abhntti. 386 



Oil-beetles. 289 



Olfcrsia amcricana. 351 



Ommatidium. *3i, *32, ^33 



Omus, 253 



Oncomyia, 337 



