4OO ENTOMOLOGICAL NEWS. [Dec., 'l8 



OBITUARY. 



Obituary notices of JOHN W. BRADLEY, of the United States 

 Bureau of Entomology, died July 4, 1918, and of VERNON 

 KING, of the same Bureau, died April 11, 1918, are given in the 

 Journal of Economic Entomology for August, 1918. Both were 

 in the aviation service. 



Professor DAVID ERNEST LANTZ, assistant biologist in the 

 Bureau of Biological Survey, United States Department of 

 Agriculture, who died in Washington, D. C., on October /, 

 1918, took an active interest in the entomological fauna of 

 Kansas during his residence in that State from 18/8 to 1904. 

 He was born in Juniata County, Pennsylvania, March I, 1855. 



FREDERICK KNAB, of the Bureau of Entomology, United 

 States Department of Agriculture, died November 2, 1918, 

 after a long illness. He was born in Wurzburg, Germany, 

 September 22, 1865, and after serving as zoological artist to 

 the State Entomologist of Illinois in 1903-1905, entered the 

 service of the Bureau in 1906. He was associated with Doc- 

 tors L. O. Howard and H. G. Dyar in the authorship of the 

 four volume work, The Mosquitoes of North and Central 

 America and the West Indies, published by the Carnegie In- 

 stitution of Washington, 1912-1917. A biography, bibliography, 

 and probably a portrait, of Mr. Knab will be published in the 

 Proceedings of the Entomological Society of IVasliington, of 

 which he was a member. His duties as Custodian of Diptera 

 in the United States National Museum will be assumed by 

 Prof. J. M. Aldrich. 



V. A. ERICH DAECKE, of the Advisory Committee of the 

 NEWS, died at Richmond Hill, Long Island, New York, on 

 October 28, 1918. We hope to give an account of his entu 

 mological work in our next number. 



The death of STUART C. VINAL, of the Massachusetts Agri- 

 cultural Experiment Station, on September 26, 1918, is an- 

 nounced in Science. He was twenty-three years old. "He dis- 

 covered the presence of the European corn borer, Pyraitsta 

 nuliilalis, in this country last year and was engaged in the 

 study of its habits when seized with influenza." 



