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Notes on African Myrmeleonidae
Vol 4, Page 1
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The Lithobiomorpha of the south eastern states
Vol 4, Page 32
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Notes on the Synonymy of the Genera Included in the Tribe Lachnini
Vol 4, Page 51
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Summary of Food Habits of American Gall Midges
Vol 4, Page 55
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The Structure and Systematic Importance of the Spermatophores of Crickets
Vol 4, Page 63
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Notes on the Life-History of the Larch Case-Bearer (Coleophora Laricella.)
Vol 4, Page 68
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Further Biological Notes on the Colorado Potato Beetle, Leptinotarsa 10-Lineata (Say), including Observations on the Number of Generations and Length of the Period of Oviposition. II, Illinois
Vol 4, Page 71
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Minutes of the Minneapolis Meeting
Vol 4, Page 84
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May-Flies of Fall Creek
Vol 4, Page 93
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Announcement of further secured results in the study of muscoid flies
Vol 4, Page 127
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Robberflies of the Genera Promachus and Proctacanthus
Vol 4, Page 153
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Locomotion of the Larva of Calosoma Sycophanta
Vol 4, Page 173
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Notes on the Pear-Slug
Vol 4, Page 181
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The Mechanism in the Hatching of the Walking Stick, Diapheromera Femorata Say
Vol 4, Page 187
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Some Suggested Rules to Govern Entomological Publications
Vol 4, Page 192
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The Composition of Taxonomic Papers
Vol 4, Page 194
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The Structure of the Central Nervous System of Corydalis Larva
Vol 4, Page 219
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A Structural Study of the Caterpillars-II. the Sphingidae
Vol 4, Page 261
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Some Notes on Heredity in the Coccinellid Genus Adalia Mulsant
Vol 4, Page 283
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Specific Characters Used in the Genus Pseudococcus
Vol 4, Page 309
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Corrections to My Paper in the June (1911) Issue of the Annals E. S. a
Vol 4, Page 328
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Monograph of the Gall-Making CynipidA (CynipinA) of California
Vol 4, Page 331
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The Genera Hypera and Phytonomus in America, North of Mexico
Vol 4, Page 383
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Errata, Vol. IV
Vol 4, Page 495