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SYNOPSIS OF HALICTINÆ
Published in The Canadian Entomologist, in 1902, in volume 34, issue 09, pages 243-250
Created: 2016-05-18, modified: 2016-05-18
Flowers and Insects. III
Published in Botanical Gazette, in 1889, in volume 14, issue 12, pages 297-304
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. I
Published in Botanical Gazette, in 1889, in volume 14, issue 5, pages 120-126
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. II
Published in Botanical Gazette, in 1889, in volume 14, issue 7, pages 172-178
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. IV
Published in Botanical Gazette, in 1890, in volume 15, issue 4, pages 79-84
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. V
Published in Botanical Gazette, in 1890, in volume 15, issue 8, pages 199-204
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. VI
Published in Botanical Gazette, in 1891, in volume 16, issue 3, pages 65-71
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. VII
Published in Botanical Gazette, in 1892, in volume 17, issue 3, pages 65-71
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. VIII
Published in Botanical Gazette, in 1892, in volume 17, issue 6, pages 173-179
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. X
Published in Botanical Gazette, in 1893, in volume 18, issue 2, pages 47-54
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. XI
Published in Botanical Gazette, in 1893, in volume 18, issue 7, pages 267-274
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. XIII
Published in Botanical Gazette, in 1895, in volume 20, issue 3, pages 104-110
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. XIV
Published in Botanical Gazette, in 1895, in volume 20, issue 4, pages 139-149
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. XV
Published in Botanical Gazette, in 1896, in volume 21, issue 2, pages 72-81
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. XVI
Published in Botanical Gazette, in 1896, in volume 21, issue 5, pages 266-274
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. XVIII
Published in Botanical Gazette, in 1898, in volume 25, issue 4, pages 229-245
Created: 2017-03-14, modified: 2017-03-14
Flowers and Insects. XIX
Published in Botanical Gazette, in 1899, in volume 28, issue 1, pages 27-45
Created: 2017-03-14, modified: 2017-03-14
Anthemoessa Abrupta
Published in Psyche: A Journal of Entomology, in 1928, in volume 35, issue 1, pages 56-60
Created: 2016-06-19, modified: 2016-06-19
Zygomorphy and Its Causes. I
Published in Botanical Gazette, in 1888, in volume 13, issue 6, pages 146-151
Created: 2017-03-14, modified: 2017-03-14
Zygomorphy and Its Causes. II
Published in Botanical Gazette, in 1888, in volume 13, issue 8, pages 203-208
Created: 2017-03-14, modified: 2017-03-14
Synopsis of Andreninæ
Published in Transactions of The American Entomological Society, in 1902, in volume 28, pages 187-194
Created: 2013-04-05, modified: 2013-04-05
Flower Visits of Insects
Published in Psyche: A Journal of Entomology, in 1923, in volume 30, issue 5, pages 158-169
Created: 2016-06-19, modified: 2016-06-19
Note on Panurgidæ (Bees)
Published in Psyche: A Journal of Entomology, in 1925, in volume 32, issue 2, pages 113
Created: 2016-06-19, modified: 2016-06-19
Some Illinois bees
Published in Transactions of the Academy of Science of Saint Louis, in 1900, in volume 10, pages 47-55
Created: 2011-05-02, modified: 2023-02-16