E. A. Cockayne 181 



Mkhling. Verhandl. Physilcalisch-Medicinischen Geselhchaft zxi Wurzhurcj, 1915, 



Vol. XLlii. No. 5, pp. 174—236. 

 Menzei.. Bienenzeitung, 1865, Bd. xxi. p. i:i. 

 MouGAN. Science, 190.5, Vol. xxi. pp. 632—634. 

 MuxDE. American Jonru. of Obstetrics, 1876, p. 615. 

 MuscHAiii'. Ent. Record, 1914, Vol. xxvi. p. 252. 

 Nettleshii'. Trans. Ophtli. Soc. 1912, Vol. xxxii. p. 311. 

 Newman, E. Proc. Knt. Soc. 1861, 3rd Ser. Vol. i. p. 70. 

 Newman, L. W. Entomologist, 1909, Vol. XLii. p. 21. 

 OnERNDORF. Journ. of Nervous and Mental Diseases, .Ian. 1913. 

 Oudemans. Zool. .lalir. Aht/i. f. Si/st. 1899, Bd. xii. 54). 71—88. 

 Pantel and Sin^ty. Coinp. Rend. Acad. Sc. Paris, 1908, p. 1358. 

 P^REZ. Actes Soc. Linn, de Bordeau^v, Tome XL. 1886. 

 Pickett. Ent. Record, 1914, Vol. xxvi. p. 59. 

 PiEKCE. Ent. Record, Vol. xii. p. 188. 



POPPELBAUM. Zeitxc.hr. f. Indukt. Abstamm. 1914, Bd. xi. p. 317. 

 ROEPKE. Jenaische Zeitschr. Xatw. 1908-9, Bd. XLIV. 

 Rowland-Brown. Entomoloqist, 1912, Vol. xlv. p. 15. 

 RUDOLPHI. Abh. Kijnigl. Alcad. Wiss. Berlin, 1825, p. 45. 

 SCHDLTZ. Illmt. Zeitschr. f. Ent. 1896, 1897, 1898; Berliner Ent. Zeitschrift, 1904, 



pp. 71—116; Ent. Zeitschrift, 1906-7, Bd. xx. ; 1911-12, Bd. xxv. 

 ScopoLl. Introductio ad Historiam Nataralem. 

 Smith and Hamm. Q. J. of Micr. Science, 1914, p. 435. 

 Standfuss. Entomologist, Vol. XXXIU. pp. 167, 283, 340; xxxiv. pp. 11, 75; 



Handbuch. 

 ToYAMA. Bull. Coll. Agr. Tokyo Imp. Univ. 1906, Vol. vii. 

 V. DoNHOFF. Bienenzeitung, 1860, p. 174. 



V. SlEBOLD. Zeitschrift f. Mlssemch. Zoologie, 1864, Bd. XI v. pp. 73—80. 

 Weber. Zool. Anzeiger, 1899, Bd. xill. pp. 501—512. 

 Wenke. Zeitschrift f. Wissensch. Zool. 1906, Bd. lxxxiv. p. 95. 

 Westwood. Thesavriis Entomologicus O.ioniensis, p. 184. 

 Wheeler. Bidl. American Mus. N.H. 1903, pp. 653—683; American Naturalist, 



Jan. 1914, pp. 49—56; Journal of Experimental Zoology, 1910, pp. 377—438. 

 WiSKOTT. Festschrift d. Vereins f. Schlesische Insectenkunde in Breslau, 1897, 



pp. 91—141, Taf. I. iv. 

 Wittenhagen. Bienenzeitung, 1861, pp. 119 — 120. 



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