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XI. Insecta. 
Insecta. 79 
1791. — Turati, E. Nuove forme di 
Lepidotteri, correzioni e note critiche. 
IV. Naturalista sicil. Palermo 23 1919 
pp. 203-370 pis. i-iv. 
1792. — Turati, E. Lepidotteri di 
Cirenaica. Atti soc. ital. sci. nat. 
Milan 60 1921 pp. 211-229 9 figs. 
1793. — Turner, A. J. Revision of 
Australian Lepidoptera — Hypsidae, An- 
thelidae. Proc. Linn. Soc. N.S. Wales 
Sydney 46 1921 pp. 159-191. 
1794. — Turner, R. E. On a collec- 
tion of Sphecoidea sent by the Agri- 
cultural Research Institute, Pusa, 
Bihar. With Appendix, containing 
two descriptions, by Dutt, G. R. Mem. 
Dept. Agric. Ind. Ent. Ser. Calcutta 5 
1917 pp. 173-205. [ Hymenoptera .] 
1795. — Uffeln, K. Die Grosssch- 
metterlinge Westfalens. Nachtrage und 
Berichtigungen. Jahresb. ProvVer. 
Wiss. Munster 42 1914 pp. 41-95. 
£ Lepidoptera .] 
1796. — Uffeln, K. Die Grossschmet- 
terlinge Westfalens. II. Nachtrage. 
Jahresber. ProvVer. Wiss. Munster 45 
1917 pp. 100-104. [ Lepidoptera .] 
1797. — Uffeln, K. Beitrag zur 
Kenntnis der Mordraupen. Jahresber. 
ProvVer. Wiss. Munster 45 1917 pp. 
105-8. [Lepidoptera.] 
1798. — Uffeln, K. Begattungsver- 
such zwischen Tagf alter und Spanner. 
Jahresber. ProvVer. Wiss. Munster 45 
1917 pp. 108-110. [Lepidoptera.] 
1799. — Uffeln, K. Entomologische 
Beobachtungen aus Westfalen. Int. 
cnt. Zs. Guben 15 1921 pp. 95-96 107- 
108 124-127 140-142 149-150. [Lepi- 
doptera.] 
1800. — Uichanco, L. B. New records 
and species of Psyllidae from the 
Philippine Islands, with descriptions of 
some preadult stages and habits. 
Philippine J. Sci. Manila 18 1921 pp. 
259-288 5 plates. [Hemiptera.] 
1801. — Uichanco, L. B. Muscula- 
ture and mechanism of movement of 
the tarsi in Aphids. Psyche Boston 
Mass. 28 1921 pp. 63-68 pi. [Hemi- 
ptera.] 
1802. — Uichanco, L. B. Reproduc 
tion in the Aphididae with a considera- 
tion of the modifying influence of 
environmental factors. Psyche Boston 
Mass. 28 1921 pp. 95-109. [Homo- 
ptera.] 
1803. — Ulmer, G. Ephemeropteren 
von Aquatoriai-Afrika. Arch. Natg. 
Berlin Abt. A 81 Hft. 7 1915 pp. 1-19. 
1804. — Ulmer, G. Ober einige 
Ephemeropteren- Typen alterer Autoren. 
Arch. Natg. Berlin Abt. A 87 Heft 
6 1921 pp. 229-267 21 textfigg. 
1805. — Ulmer, G. Die von Herrn 
Baron v. Klinckowstrom auf den 
Faroern gesammelten Trichopteren. Ark. 
Zool. Stockholm 14 1921 No. 3 pp. 1-3 
1 fig- 
1806. — Ulmer, G. Die Trichopteren- 
Literatur von 1910-1914 (fortsetzung). 
Zs. wiss. Insektenbiol. Berlin 16 1921 
pp. 159-160 198-200 238-240. 
1807. — Ulmer, G. Die Trichopteren- 
fauna Deutschlands. III. Die Tricho- 
pteren von Bayern. Zs. wiss. Insek- 
tenbiol. Berlin 16 1921 pp. 183-186 
206-218. 
1808. — Urban, C. Die Nahrungs- 
pflanzen den Ceuthorrhynchus. Ent. 
Blatter Berlin 17 1921 pp. 19-22. 
[Coleoptera.] 
1809. — Uvarov, B. P. Notes on the 
Orthoptera in the British Museum. 1. 
The group of Euprepocnemini. Trans, 
ent. soc. London 1921 pp. 106-144. 
1810. — Uvarov, B. P. Records and 
descriptions of Indian Acrididae. Ann. 
Nat. Hist. London 7 1921 pp. 480-508. 
[Orthoptera.] 
1811. — Uvarov, B. P. Records and 
descriptions of South- African grass- 
hoppers of the groups Arcypterae and 
Scyllinae. Ann. Nat. Hist. London 8 
1921 pp. 369-392. [Orthoptera.] 
1812. — Uvarov, B. P. The geo- 
graphical distribution of Orthopterous 
insects in the Caucasus and in Western 
Asia. Proc. Zool. Soc. London 1921 
pp. 447-472 map. 
1813. — Uvarov, B. P. A contribu- 
tion to our knowledge of the Orthoptera 
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Persia. J. Bombay Nat. Hist. Soc. 27 
1921 pp. 803-812. 
