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Some Japanese Aphididae
Ser 4, Vol 8, Page 35
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Geology of the northern end of the Tampico Embayment area
Ser 4, Vol 8, Page 113
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The kelp-flies of North America (genus Fucellia family Anthomyidae)
Ser 4, Vol 8, Page 157
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The garter-snakes of Western North America
Ser 4, Vol 8, Page 181
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New species of Hemiptera chiefly from California
Ser 4, Vol 8, Page 271
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Report of the director of the museum for the year 1918
Ser 4, Vol 8, Page 317