ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



VOL. XXII. 



DECEMBER, 1911. 



No. 10. 



CONTENTS: 



Obituary Henry Christopher McCook 433 



Schaus A new Papilio from Florida, 

 and one from Mexico 438 



Gillette A new genus and four new 

 species of Aphididae (Rhynch. ) 440 



McCo\ A new Flea, Ctenophthalmus 

 heiseri spec. nov. (Siphonaptera). . 44=; 



Calvert Studies on Costa Rican Odo- 

 nata. Ill Structure and Transfor- 

 mation of the Larva of Mecistogas- 



ter modestus 449 



Girault Standards of the Number of 



Eggs laid by Spiders I. (Arach.) 461 

 Cockerell An Aleyrodes on Euphor- 



iba, and its Parasite (Rhynch.) 462 



Editorial 465 



Notes and News 466 



Entomological Literature 471 



Doings of Societies 477 



Henry Christopher McCook. 



(Portrait, Plate XV.) 



The Reverend Doctor Henry Christopher McCook died at 

 his home in Devon, Pennsylvania, at a quarter past eleven 

 o'clock, of the morning of October 31, 1911. 



An editorial in one of the leading Philadelphia newspapers 

 for the morning after his death justly remarks: 



"In the death of the Rev. Henry C. McCook, D.D., Pennsyl- 

 vania loses one of its most distinguished citizens. Doctor Mc- 

 Cook was one of the "fighting McCooks" and saw himself ser- 

 vice in the Civil War ; lie was a preacher of power ; his long 

 occupancy of one of the chief pastorates in Philadelphia en- 

 deared him to thousands and thousands of Philadelphians ; he 

 was a fine man. citizen and patriot. As a minister and preacher 

 he occupied a high position, but his fame outside of Philadelphia 

 and of the circles of his own denomination rests on wholly dif- 

 ferent grounds, and it is likely to be enduring. He was one of 

 the world's eminent scientific observers and investigators. Es- 

 pecially did he achieve distinction in the most interesting phase 

 of that department of natural history the lives and works of 

 ants and spiders. It frequently happens that a man may write 

 entertainingly of these or similar subjects on a slight basis of 



433 



