382 ENTOMOLOGICAL NEWS. [Oct., 'l6 



stumps, Mcmythrus dollii feeding in poplar, Bcmbecia marginata feed- 

 ing in raspberry roots, Sesia tipuliformis feeding in currant, Sesia pic- 

 tipcs feeding under bark of cherry trees, Sesia albicornis feeding in 

 willows, Sesia acerni feeding in maple, Sesia corni and two or three 

 others not satisfactorily identified. 



Coleopterists had the Hydrophilidae as a subject and compared 

 specimens. A. KWIAT, Secretary. 



OBITUARY. 



GEOFFREY MEADE- WALDO, in charge of the Hymenoptera at 

 the British Museum of Natural History since 1909, died very 

 suddenly on March n, 1916, of the after-effects of an attack 

 of pneumonia. He was born in January, 1884, educated at 

 Eton and at Oxford, took part in the cruise of Lord Craw- 

 ford's "Valhalla" to the Malay Federated States and Borneo 

 in 1907-08 and had published on various groups of Hymen- 

 optera in the Annals and Magazine of Natural History and in 

 the Transactions of the Entomological Society of London. 

 Obituary notices in The Entomologist for April and The En- 

 tomologist's Monihly Magazine for May, 1916, give further 

 particulars. 



FREDERICK KNOCK, known for the beauty of his micro- 

 scopical preparations and for his studies of those minute Hy- 

 menoptera, the Mymaridae, died at Hastings, England, May 

 26, 1916. He was born at Birmingham, April 17, 1845. I n 

 1887-88 he engaged in a controversy with Prof. C. V. Riley 

 respecting the Hessian Fly. According to an obituary notice 

 in the Entomologist's Monthly Magazine for July, 1916, he 

 leaves a number of manuscripts and photographs illustrative 

 of undescribed Mymaridae. 



DR. KARL KRAEPELIN, Director of the Natural History Mu- 

 seum at Hamburg since 1889, who died June 28, 1915, was 

 the author of memoirs on the structure, mechanism and de- 

 velopment of the sting of bees (1873), the anatomy and phy- 

 siology of the proboscis of Mnsca (1883), of the sections on 

 Scorpions and on Palpigrades in Das Tierreich and of other 



