50 



Page. 

 Dryocoitcs n. sp. (Small red spruce bark- 

 beetle) 25 



n. sp. (American sj)ruce bark- 

 beetle) 25 



11. .sp. (Birch bark-beetle) 25 



Dryophilus sp. (Giant arbor vitse Dryo- 



philus) 23 



Dynastes tityus 32 



Eburia qnadrigeminata 38 



Edema. (Sec Symmerista.) 



Elaphidion villosum 34 



Elateriihv 42 



Epargyrens tityrus 28 



Ergates spiculatus 21, 35 



Euclea delphinii 31 



indetermina 31 



Eudamus. (See Epargyreus. ) 



Eudoeimus mannerheimii 31, 46 



Euproctis chrysorrhcea 30 



Eupsalis minuta 39 



Euschaugia argentata 29 



Euvanessa antiopa 27 



Galerucella luteola 32 



G'aurotes cyanipennis 36 



Gnathotrichus matcriarius 15 



snlcatus 15 



n. sp. (Weslern pine wood- 



stainer) 15 



Goes pulchra 36 



tigrina St! 



Graphisurus. [See Ceratographis. ) 



Grapliolitha caryana 33 



Grapta. (See Polygonia.) 

 Halisidota. (See also Euschausia.) 



caryse 29 



maculata 29 



tessellaris 29 



Hemerocampa leucostigma 30 



vetusta 30 



Hemileuca maia 29 



Hetcemis cineria 36 



Homoptera lunata 29 



Hylesinus aeuleatus 20 



aspericolli.s 20 



granulatus 19 



nebulosiLs 20 



sericens 20 



n. sp. (Fir wood engraver) 19 



n. sp. (Grand fir bark-beetle) 20 



n. sp. (Western hemlock bark- 

 beetle) 20 



Ilylobius jwiles 31 



Hyloicus kalmiaj 28 



Hylotrupes amethystinus 21 



ligneus 27, 38 



Hylurgops rugipennis 19 



subcostulatns 19 



Ilyparpax aurora 30 



Ilyphantria textor 29 



Ichthyura. (.See Melalopha.) 



Lagoa cri.spata 31 



Lapara coniferarum 28 



Lecanium .sp. (Hickory soft scale) 33 



Lepidoptera (foliage in.sects) 27, 33 



Leptoistylus aculiferus 36 



Leptura canadensis 37 



Limenitis bredowii 27 



Lina. (.SeeMelasoma.) 



Lophyrus abbotti 32 



Lyctus sp. (Powder-post beetles) 39 



Lymexy Ion serieeum 40 



Malacosoma americana 31 



calif ornica 31 



constricta 30 



disstria 30 



f ragilis 31 



pluvialis 31 



Mallodon dasystomus 37 



melanopus 37 



Melalopha inclusa 29 



Melanophila drummondi 22, 38 



f ulvoguttata 38 



Melasoma lapponica 32 



scripta 32 



Microccntrum laurifolium 32 



Monarthrum. (See Pterocyclon.) 



Monocesta coryli 32 



Monohammus conf usor 34 



scutellatus 21, 35 



Nadata gibbosa 30 



Nematus erichsonii 32 



Keocly tus capraja 36 



Neocly tus ery throcephalus 37 



Neophasia menapia 28 



Notolophus antiqua 30 



CEme riglda 37, 43, 46 



Olene achatina 30 



Oncideres cingulata 34 



Orgyia. (See Notolophus and Hemero- 

 campa.) 



Ormyrus sp. (Oak twig Ormyrus) 22 



Orthosoma brunneiuu 37 



Pachylobius picivorus 34 



Pachysphinx occidentalis 28 



Paleacrita vernata 31 



Parasitic Hymenoptera 41 



Paururus cyaneus 40 



hopkinsi 40 



pinicola 40 



I'hkBosinu.s cupressfe 41, 45 



deutatus 25 



punctatus 18 



sequoise 18, 45 



n.sp. (Bald cypress bark-beetle) 42,46 



I'hrygauidia californica 1 . . 29 



Phymatodes variabilis 37 



Physocnemum andre;e 36, 46 



Pinipestis. (See Dioryctria.) 



Pissodes dubius 34 



strobi 34 



sp. (Western spruce weevil ) 34 



sp. (Sugar pine bark- weevil) 22 



Pityogenes carinulatus 17, 44 



n. sp. (Mountain pine w^>od-en- 



engraver) 17 



n. sp. (While pine wood-en- 

 graver) 25 



Pityophtliorus eariniceps 24 



conflnis 16 



miuutissimus 24 



nitidulus 17 



pubipennia 16 



