278 



7935. VIERECK, H. L. Cerceris desertn Say. — Entom. News, Vol. 17, p. 397. '06. 



7936. VIERECK, H. L. Andrenae of the Canacjian, Alleghanian and Carolinian 



Plant Zones occurring or likely to occur in Connecticut. — Entom. 

 News, Vol. 18, p. 280—288, 365. '07. 



7937. VIERECK, H. L. Two New Species of Perdita. — Entom. News, Vol. 18, 



p. 393—395. '07. 



7938. VIERECK, Henry L. A New Species of P»en. — Bull. Wisconsin nat. Hist. 



Soc, Vol. 5, p. 251. '07. 



7939. VOSSELER, J. Die ostafrikanische Honigbiene. — Ber. Land-Forstwirt- 



schaft Deutsch-Ostafr., Bd. 2, p. 15-29. '07. 



7940. WAGNER, Wladimir. Psycho-biologische Untersuchungen an Hummeln mit 



Bezugnahme auf die Frage der Geselligkeit im Tierreiche. — Zoologica, 

 Bd. 19, Heft 46 II, p 79-239, 86 fig. '07. 



7941. WALDEN, B. H. Notes on a New Sawfly Attacking the Peach. {PamphiUus 



persicum Mac G.) — U. S. Dept. Agric. Div. Entom. Bull., No. 67, p. 85 

 —87, 1 tab. '07. 



7942. WALTER, Leo. On the Clasping Organs Attaching the Hind to the Fore 



Wings in Hymenoptera. — Smithson. miscell. Coli., Vol. 50, p. 65—87, 

 4 tab., 2 fig. '07. 



7943. WATERHOUSE, C. 0. Q of Genus Dorylus. — Trans, entom. Soc. London 



1907, p. VI, 2 fig. '07. 



7944. WEISSENBERG, Richard. Ueber die Önocyten von 7'ori/iints niqricornis, mit 



besonderer Berücksichtigung der Metamorphose. — ' Zool. Jahrb. Anat., 

 Bd. 23, p. 231—268, 1 Taf. '06. 



7945. WELDON, Geo. P. Tenthredinidae of Colorado. — Canad. Entom., Vol. 



39, p. 295—304. '07. 



7946. WELLMAN, F. Creighton. On the Distribution and Habits of some West 



African Bees. — Entom. News, Vol. 18, p. 447—448. — Supplementary 

 Note, by T. D. A. Cockerell. - p. 448. '07. 



7947. WHEELER, William Morton. An Ethological Study of Certain Maladjust- 



ments in the Relations of Ants to Plauts. — Bull. Amer. Mus. nat. Hist., 

 Vol. 22, p. 403—418, 6 tab., 1 fig. '06. 



7948. WHEELER, William Morton. The Polymorphism of Ants, with an Account 



of Some Singular Abnormalities due to Parasitism. — Bull. Amer. Mus. 

 nat. Hist., Vol. 23, p. 1—93, 6 tab. '07. 



7949. WHEELER, William Morton. The Fungus-Growing Ants of North America. 



— Bull. Amer. Mus. nat. Hist., Vol. 23, p. 669—807, 5 tab., 31 fig. '07. 



7950. WHEELER, William Morton. On Certain Modified Hairs Peculiar to the 



Ants of Arid Regions. — Biol. Bull., Vol. 13, p. 185-202, 14 fig. '07. 



7951. WHITE, G. F., E. F. PHILLIPS, Chas STEWART, Fred. A. PARKER, and 



N. E. FRANCE. Report of the Meeting of Inspectors of Apiaries, San 

 Antonio, Tex., November 12, 1906. — U. S. Dept. Agric. Div. Entom., 

 Bull. No. 70, 79 pp., 1 tab. '07. 



7952. WRIGHT, Alexandra, Alice LEE, and K. PEARSON. A Cooperative Study 



of Queens, Drones and Workers in .^Vespa vulgaris''. — Biometrika, Vol. 

 5, p. 407—422, 1 tab., 3 fig. '07. 



7953. ZAVATTARI, Edoardo. Di ulcuni Imenotteri della Somalia Italiana. - Boll. 



Mus. Zool. Anat. comp. Torino, Vol. 22, No. 548, 4 pp. '07. 



7954. ZAVATTARI, Edoardo. Imenotteri dell Alto Zambesi, raccolti dal. Rev. L. 



Jalla. — Boll. Mus. Zool. Anat. comp. Torino, Vol. 22, No. 550, 4 pp. '07. 



7955. ZAVATTARI, Edoardo. Imenotteri del Lego 3Ioero. — Boll. Mus. Zool. 



Anat. comp. Torino, Vol. 22, No. 555, 6 pp., 1 fig. '07. 



7956. ZAVATTARI, Edoardo. Nuove o poco note Mutille dell'Australia. — Boll. 



Mus. Zool. Anat. comp. Torino, Vol. 32, No. 565. 4 pp. '07. 



7957. — . Les ennemis du lophyre. — Bull. Soc. centr. forest. Belg., Vol. 13, p. 



229-234. '06. 



7958. — . L'invasion de lophyres en Campine — Bull. Soc. centr. forest. Belg., 



Vol. 13, p. 450—452. '06. 



7959. — . The Large Larch Sawfly. (Nematus erichsom). — Leaflet Board Agric. 



London, No. 186, 8 pp., 8 fig. '07. 



7960. — . Instruction in Bee-Keeping, for the Use of Irish Bee-Keepers. London. 



His Majesty's Stationary Office, 8°, 90 pp., 52 fig. (Dept. Agric. <& techn. 

 Instr. Ireland.) '07. 



