240 ENTOMOLOGICAL NEWS. [May, '16 



HYMENOPTERA. Brun, R. Le probleme de 1'orientation 

 lointaine chez les fourmis, 278, xxiv, 355-88. F. The recent mor- 

 tality among bees, 10, xcvii, 7-8. Wasmann, E. Nachtrag zu "Eine 

 neue Pseudomyrma aus der Ochsenhorndornakazie in Mexiko," 

 46, Iviii, 125-131. 



Cockerell, T. D. A. Bees from the northern peninsula of Michi- 

 gan [2 new]; Some bees from British Guiana, 507, No. 23; 24. 

 Wheeler, W. M. Ants collected in Trinidad by Roland Thaxter, 

 F. W. Urich and others, 195, Ix, 323-30. 



OBITUARY. 



The death of THEODORE PERGANDE on March 23, 1916, in 

 Washington, is announced in Science for April 7. He was 

 born in Germany seventy-six years ago, came to America at 

 the outbreak of the Civil War and served in the Federal 

 Army. He became assistant to Prof. C. V. Riley, then State 

 Entomologist of Missouri, and accompanied the latter to 

 Washington in June, 1878, so that he was the oldest scientific 

 assistant, in point of continued service, in the Bureau of En- 

 tomology at the time of his death. Among his published writ- 

 ings are: Habits of Thrips (Psyche 1882 [1883]), The Cot- 

 ton or Melon Plant Louse and Observations on Certain Thrip- 

 idae (Insect Life, 1895), The Plum Plant Louse (Bulletin 

 No. 7, Div. Ent., U. S. Dept. Agr., 1897), A New Coccid on 

 Birch (with H. G. Hubbard) and The Peach Lecaniitm (Bul- 

 letin 18, 1898), List of Coccidae Collected by Mr. A. Busck 

 in Puerto Rico, 1899 (with T. D. A. Cockerell) (Bull. 22, 

 1900), The Life History of Tzvo Species of Plant Lice In- 

 habiting both the Witch Hazel and Birch (Bull. 9, Tech. 

 Series, 1901), The Southern Grain Louse, To.voptera grami- 

 num (Bull. 38, 1902), On Some of the Aphides Affecting 

 Grams and Grasses of the United States (Bull. 44, 1904) and 

 North American Phyllo.vcrinae Affecting Hicoria (Can 1 a-) 

 and Other Trees (Proceedings Davenport Acad. Sci., 1904). 

 To the NEWS he contributed a Description of a A 7 ra> Species 

 of Idolothrips (1896), Description of Tu'o Neiv Genera and 

 Three Nczv Species of Aphididae (1906), and a rhymed 

 effusion, A Happy Family of Bugologists (1908). 



