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Hybridisation experiments with Thera variata, Schiff., and T. obeliscata Hb
Volume 39, Page 1
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The ants (Formicidae) and some myrmecophiles of Sicily
Volume 39, Page 6
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Two new Aphides from ants' nests
Volume 39, Page 17
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Some observations on Coccinellids and new aberrations
Volume 39, Page 66
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Note on the antiquity of some Orthopterous Groups
Volume 39, Page 75
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Notes from the Cape Verde Islands
Volume 39, Page 91
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Notes of collecting in Spain in 1926-26
Volume 39, Page 107
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Sao Thome and Principe
Volume 39, Page 117
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Zygaenae, Grypocera and Rhopalocera of the Cottian Aips compared with other races
Volume 39, Page 122
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On the use of names in the study of variation
Volume 39, Page 144