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On two species of Diphplectron from Texas (Hymenoptera: Sphecidae)
Vol 52, Page 4
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Notes on Costa Rican Mycetophilidae (Diptera)
Vol 52, Page 8
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New genera and species of North American Ephy-dridae (Diptera)
Vol 52, Page 35
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Further notes on the snail-collecting aphis-lion larva (Neuroptera: Chrysopidae)
Vol 52, Page 39
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A new Opisodasys from Idaho (Siphonaptera: Dolicho-psyllidae)
Vol 52, Page 45
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A new species of Amblyscirtes from Texas (Lepidoptera, Rhopalocera, Hesperiidae)
Vol 52, Page 50
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Notes on the Nearctic Geosarginae (Diptera: Stratiomyidae)
Vol 52, Page 105
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A new species of Coniontis from Nevada (Coleoptera : Tenebrionidae)
Vol 52, Page 131
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A new species of Trox from Texas
Vol 52, Page 134
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Western aphid notes
Vol 52, Page 136
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Some new syrphid flies from North and South America (Diptera)
Vol 52, Page 157
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Two new species of Hesperiidae from North America (Lepidoptera)
Vol 52, Page 163
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The hiberna-tion in Missouri of Zerene caesonia (Stoll) and Euptoieta claudia (Cram.) (Lepid.: Pieridae and Nymphalidae)
Vol 52, Page 181
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Undescribed species of crane-flies from the eastern United States and Canada (Dipt.: Tipulidae). Part VII
Vol 52, Page 192
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A Stenogamie Autogenous Strain Of Culex Pipiens L. In North America
Vol 52, Page 211
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Notes on some rare Scarabaeidae with the description of one new species
Vol 52, Page 227
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Prothetely In Scolytus Multistriatus Marsham (Coleop.: Scolytidae)
Vol 52, Page 242
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Seven new millipeds from Mexico (Diplopoda)
Vol 52, Page 250
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Notes on the Bionomics of Ataxia hubbardi Fisher in Illinois (Coleop.: Cerambycidae).
Vol 52, Page 271
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A new Texas Agrilus (Coleoptera: Buprestidae)
Vol 52, Page 283
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The Dates of Publication of Two Articles on Coleoptera by John L. Leconte, Issued in 1845
Vol 52, Page 290
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A new American centiped of the genus Scutigera (Chilopoda: Scutigeridae)
Vol 53, Page 10
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A new genus and species of Coleoptera (Chrysome-lidae) from south-western United States
Vol 53, Page 16
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Notes on some Cucullinae (Phalaenidae, Lepido-ptera)-II
Vol 53, Page 31
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Taxonomic notes on the genera Chelostoma and Ashmeadiella (Hymenoptera, Megachi-lidae)
Vol 53, Page 47
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A Note on Lagochirus araneiformis L. (Coleop.: Cerambycidae)
Vol 53, Page 61
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Immature and adult stages of now species of Chironomidae (Diptera)
Vol 53, Page 70
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Descrip-tions of two new Nearctic species of the genus, Hydrellia reared from pond-weed (Diptora: Ephydridae)
Vol 53, Page 78
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A new species of Phyllomyza from Virginia (Diptera: Milichiidae)
Vol 53, Page 84
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Notes on some North American Hesperiidae with the description of a new race of Polites verna (Edwards) (Lepidoptera, Rhopa-locera)
Vol 53, Page 103
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A new species of Oedematocera with notes and key (Tachinidae, Diptera)
Vol 53, Page 106
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Some grass aphid host records (Homoptera)
Vol 53, Page 112
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Sittiocapsus new genus and Calocoris texanus now species from the United States (Hemi-ptera, Miridae)
Vol 53, Page 156
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Six new Diplopods of the family Xystodesmidae
Vol 53, Page 165
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Notes on a collection of centipeds chiefly from Louisiana Arkansas and Missouri (Chilopoda)
Vol 53, Page 184
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Notes on bees (Hymen.: Andrenidae)
Vol 53, Page 189
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A Brachy-pterous Reduvius from Lower California (Heteroptera: Reduviidae)
Vol 53, Page 198
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Notes On Mosquitoes In Nebraska (Diptera: Culicidae)
Vol 53, Page 211
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Two new species of Calophya and notes on others (Psyllidae: Homoptera)
Vol 53, Page 215
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Some notes on Nearctic stagbeetles, with description of a new species of Platycerus from Pacific northwest (Coleoptera: Luca-nidae)
Vol 53, Page 221
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New Cerambycidae with Notes (Coleoptera)
Vol 53, Page 224
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Note on the Genus Bertoniella (Orthoptera, Tettigoniidae, Agraeciinae)
Vol 53, Page 245
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Heavy Infestation Of Tent Caterpillars In Chester County, Pennsylvania
Vol 53, Page 247