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A new hesperid
Vol 22, Page 3
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A new American Sitarine beetle
Vol 22, Page 15
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Mallophaga from Bolivian birds
Vol 22, Page 19
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The tenth Pleocoma
Vol 22, Page 64
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Descriptions of new species of Cynipidae
Vol 22, Page 67
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Studies amongst the Coccinellidae, no. 2
Vol 22, Page 71
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Mallophaga from Californian birds
Vol 22, Page 75
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A new chalcidid from an oak gall.
Vol 22, Page 82
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Notes on Limnobia Parietina O S
Vol 22, Page 85
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A new Argynnis and a new Parnassius
Vol 22, Page 108
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Two new gall midges (Dipt.)
Vol 22, Page 109
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New American Cleridae, with notes on others
Vol 22, Page 115
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Three new Brazilian Micro-Lepidoptera
Vol 22, Page 125
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Endaphis Kieff. in the Americas (Dipt.)
Vol 22, Page 128
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Some Remarks on Kirby's Synonymic Catalogue of Orthoptera, Vol. III, with Additional Notes on Vols. I and II
Vol 22, Page 158
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A new North American moth of the family Psychidae
Vol 22, Page 193
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Cases of phoresie
Vol 22, Page 194
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The American species of Diatraea Guilding
Vol 22, Page 199
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A supposed occurrence of |Anagrus incarnatus| Haliday in the United States.
Vol 22, Page 207
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The occurrence of the mymarid genus |Anaphoidea| in England.
Vol 22, Page 215
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A new Gomphus (Odonata)
Vol 22, Page 221
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A new species of Gerris
Vol 22, Page 246
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Notes on Paraguayan Orthoptera, with descriptions of a new genus and four new species
Vol 22, Page 247
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Arrangement of the species of Dendrocoris Bergr., with the descriptions of two new species
Vol 22, Page 268
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Some new beetles from North Carolina, with ecological notes (Coleop.)
Vol 22, Page 273
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Obituary. Dr. Herman Willem van der Weele
Vol 22, Page 287
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Samuel Hubbard Scudder
Vol 22, Page 289
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A new Datana
Vol 22, Page 300
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Four new gall midges (Dipt.)
Vol 22, Page 301
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Notes on Pennsylvania Diptera, with two new species of Syrphidae
Vol 22, Page 318
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Notes on a few nymphs of Agrioninae (Order Odonata) of the Hagen collection
Vol 22, Page 342
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A new root gall-midge
Vol 22, Page 346
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The probable occurrence of the mymarid genus |Dicopus| Enock in North America (Hymen.).
Vol 22, Page 347
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Notes on two Tipulidae (Dipt.)
Vol 22, Page 349
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A new |Polynema| from Mexico.
Vol 22, Page 358
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Critical notes on some species of Mymaridae.
Vol 22, Page 363
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A newly-imported scale-pest on Japanese hemlock
Vol 22, Page 385
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New species or subspecies of North American butterflies
Vol 22, Page 412
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A new genus and four new species of Aphididae
Vol 22, Page 440
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A new flea-Ctenophthalmus heiseri spec. nov
Vol 22, Page 445
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A trip to Hunter's Run, Pa., July 2, 1911
Vol 22, Page 478