48 ENTOMOLOGICAL NEWS. [March, 



Doings of Societies. 



The Entomological Society of Washington, Nov. 12, 1889. Mr. 

 Lugger read some notes on " The migration of the Archippus butterfly," 

 and gave an interesting study of their spring and fall movements. He 

 noted similar migration in V. cardui. Dr. Thaxter stated that he had 

 found Archippus wintering along the Gulf of Mexico in vast numbers. 

 Mr. Howard read a paper on "A few additions and corrections to Scud- 

 ' der's Nomenclator Zoologicus." Mr. Marlatt gave " Notes on the abun- 

 dance of oak-feeding Lepidopterous larvae this fall," and mentioned twelve 

 species of Macrolepidopterous larvae taken in the course of about an hour. 

 Mr. Schwarz read a paper entitled, " Caprification, " and Mr. Townsend a 

 paper on " The fall occurrence oi Bibio and DUophus.'" In discussion on 

 the last paper it was conceded that the autumnal occurrence was due to 

 acceleration of development. W. H. Fox, M. D., Rec. Sec. 



Entomological Section, Academy Natural Sciences of Phila- 

 delphia, Jan. 23, 1890. — A meeting of this Section of the Academy was 

 held January 23d, Dr. Geo. H. Horn, President, in the chair. Members 

 present: Messrs. McCook, Ridings, Martindale, Skinner, Calvert, Liebeck, 

 Wells, Westcott and several visitors. Dr. Horn exhibited some drawings 

 illustrating points of interest in the comparative anatomy of the species in 

 the genus Cercyon, and stated that most of the species were either intro- 

 duced, or also found in Europe. The classification of the species and 

 facts in their geographical distribution were discussed at length. Dr. 

 McCook exhibited the first volume of his new book entitled, "American 

 Spiders and their Spinning Work; A Natural History of the Orbw^eaving 

 Spiders of the United States." He gave a resum^ of the volume, and 

 also some interesting generalizations on the facts in their natural history. 

 On a question from one of the members Dr. McCook made some instruc- 

 tive remarks on Spiders as mathematicians. Dr. Skinner called attention 

 to the donations to the cabinet: Mrs. A. T. Slosson jiresented a specimen 

 oi Ecpantheria denudata described by herself, from Florida; Erebia viag- 

 daletia and Argynnis frigga var. Saga; two rare species, from Colorado, 

 from Mr. Aaron; a type specimen of Paniphila Aaroni and two exotic 

 butterflies ^donated by Dr. Skinner. — For the Recorder by H. Skinner. 



The American Entomological Society, Jan. 23, 1890. — At a busi- 

 ness meeting of the Society held after the Section meeting, as above, the 

 sum of |ioo was voted toward defraying the expense of the expedition 

 to Mexico to be undertaken under the auspices of the Academy of Natural 

 Sciences and the direction of Prof. Angelo Heilprin. Prof. Heilprin 

 was elected a member of the Society, and Dr. W. M. Crowfoot a corre- 

 spondent. The President announced the death of Mr. J. Frank Knight, 

 one of the oldest members of the Society, and for a number of years 

 Recording Secretary. — For the Secretary by H. Skinner. 



Entomological News for January was mailed Jan. 31, 1890. 



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