839 



9519. VUILLET, A. Contre les Termites. — Insecta, Anno 1, p. 83—84. '11. 



9520. WALKER, E. M. Collecting and Rearing Dragon-flies at the Georgian Bay 



Biological Station. — 88th ann. Rep. entom. Soc. Ontario, p. 43—50, 



8 fig. '08. 



9521. WALKER, E. M. A Key to the North American Species of Aeshna found 



North of Mexico. — Canad. Entom., Vol. 40, p. 377—391, 450—451, 

 1 tab. '08. 



9522. WANACH. Gefrässigkeit einer Libelle. — Berlin, entom. Zeitschr., Bd. 54, 



p. 111—112. '09. 



9523. WANACH, B. Libellenfütterungen. — Berlin, entom. Zeitschr., Bd. 55, 



p. 265 '11. 



9524. WANACH, B. Häufigkeit und Seltenheit. — Berlin, entom. Zeitschr., Bd. 



56, p. 114—115. '11. 

 "9525. WARREN, Ernest. Some Statistical Observations on Termites, Mainly 

 Based on the Work of the Late Mr. G. D. H a vi 1 an d. — Biometrika, 

 Vol. 6, p. 329—347. '09. 



9526. WARREN, Ernest. Notes on the Life-Histories of Natal Termites, based 



on the Observations of the late Mr. G. D. Haviland. — Ann. Natal 

 Govt. Mus., Vol. 2, p. 113—128. '09. 



9527. WASMANN, E. Zur Kastenbildung und Systematik der Termiten. — Biol. 



Centralbl., Bd. 28, p. 69—73. '08. 



9528. WASMANN, E. Nils Holmgren's neue Termitenstudien und seine 



Exsudattheorie. (175. Beitrag zur Kenntnis der Myrmekophilen und 

 Termitophilen.) — Biol. Centralbl., Bd. 30, p. 303—310. '10. 



9529. WASMANN, E. Termiten von Madagaskar, den Comoren und Inseln Ost- 



afrikas. — Voeltzkow Reise in Ostafrika Wiss. Ergebn., Bd. 3, p. 117 — 

 127, 7 fig. — Berichtigung. — Zool. Anz., Bd. 37, p. 128. 'lO/'ll. 



9530. WASMANN, E. K. Escherich, Termitenleben auf Ceylon. (Zugleich 189. 



Beitrag zur Kenntnis der Termitophilen). — Biol. Centralbl., Bd. 31, p. 

 394—412, 425—434. '11. 



9531. WILLIAMSON, E. B. Three Related American Species of Aeshna. — Entom. 



News, Vol. 19, p. 264—271, 301—308, 3 fig. '08. 



9532. WILLIAMSON, E. B. A New Dragonfly belonging to the Cordulinae, and 



a Revision of the Classification of the Subfamily. — Entom. News, Vol. 

 19, p. 428—434, 1 tab., 3 fig. '08. 



9533. WILLIAMSON, Edward Bruce. The North American Dragonflies of the 



Genus Macromia. — Proc. U. S. nation. Mus., Vol. 37, p. 369—398, 2 tab., 

 7 fig. '09. 



9534. WILLIAMSON, E. B. Some Corrections in Somatochlora. — Entom. News, 



Vol. 20, p. 77—79. '09. 



9535. WILLIAMSON, E. B. A New Species of Celithemis. — Ohio Natural., Vol. 



10, p. 153—156. '10. 



9536. WILSON, Charles Brauch. Dragonflies of the Mississippi Valley Collected 



during the Pearl Mussei Investigations on the Mississippi River, July 



and August, 1907. — Proc. U. S. nation. Mus., Vol. 36, p. 653—671. '09. 

 !9537. WILSON, Charles B. Dragonflies of Jamaica. — Johns Hopkins Univ. Circ. 



1911, No. 2, p. 47—51. '11. 

 9538. ZAVATTARI, Edoardo. Odonati. — Duca degli Abruzzi: Ruwenzori, Vol. 



1, p. 275. '09. 



'9539. ZA WARZIN, Alexius. Histologische Studien über Insekten. I. Das Herz 

 der AescJma-LdiXVQn. — Zeitschr. wiss. Zool., Bd. 97, p. 481 — 510, 2 tab., 



9 fig. '11. 



"9540. ZYKOFF, W. Zur Thysanopterenfauna Centralrusslands. — Zool. Anz., 

 Bd. 33, p. 53. '08. 



V. Neuroptera (incl. Strepsiptera.) 



'9541. von ADELUNG, Nicolai. Notiz über Psectra diptera Burm. — Ann. Mus. 

 zool. Acad. Sc. St.-Petersbourg, T. 14, p. XLIII— XLVI. '09. 



9542. BANKS, Nathan. A New Genus and Species of Neuroptera. — Entom. 



News, Vol. 19, p. 203—204, 1 fig. '08. 



9543. BANKS, Nathan. New Tropical American Neuroptera. — Proc. entom. 



Soc. Washington, Vol. 9, p. 30—34. '08. 



9544. BANKS, Nathan. On the Classification of the Corydalinae, with Description 



of a New Species. — Proc. entom. Soc. Washington, Vol. 10, p. 27—30. '08. 



