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Mosquito comment
Vol 41, Page 21, Date 1909
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A Newportia in Utah
Vol 41, Page 27, Date 1909
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Hemiptera: New and old.—No. I
Vol 41, Page 30, Date 1909
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A new Orchelimum from New Jersey
Vol 41, Page 33, Date 1909
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Two new seed-infesting Chalcis-flies
Vol 41, Page 50, Date 1909
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The fruit-infesting forms of the Dipterous genus Rhagoletis, with one new species
Vol 41, Page 69, Date 1909
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New species of exotic Lepidoptera
Vol 41, Page 85, Date 1909
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Notes on some Chalcidoidea
Vol 41, Page 98, Date 1909
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Mosquito comment
Vol 41, Page 101, Date 1909
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Three new species of the genus Bdella (Mites)
Vol 41, Page 122, Date 1909
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On the Orthoptera of Northern Ontario
Vol 41, Page 137, Date 1909
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New Coleoptera from South-West. IV
Vol 41, Page 161, Date 1909
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List of the Siphonaptera of California
Vol 41, Page 197, Date 1909
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Two fossil Chrysopidae
Vol 41, Page 218, Date 1909
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Galls found in the vicinity of Toronto. No 4
Vol 41, Page 249, Date 1909
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Studies in the Caraboidea and Lamellicornia
Vol 41, Page 253, Date 1909
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Coccidae from the Society Islands
Vol 41, Page 296, Date 1909
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Downy psyllid of alder, Psylla floccosa, new species
Vol 41, Page 301, Date 1909
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New Pseudoscorpionida
Vol 41, Page 303, Date 1909
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Notes on Lachnus caryae, Harris, under a new name
Vol 41, Page 385, Date 1909
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Hemiptera, old and new, No. 2
Vol 41, Page 388, Date 1909
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Some guests at the banquet of blossoms
Vol 41, Page 409, Date 1909