THE AMERICAN ENTOMOLOGICAL SOCIETY 



PHILADELPHIA 



Founded 1859 Incorporated 1802 



Organized as "The Entomological Society of Philadelphia," 



the present title was adopted February 11, 1867. 



President 

 Henry Skinner 

 Vice-President 

 James A. G. Rehn 

 Corresponding Secretary Recording Secretary 



Morgan Hebard T?- C. Williams, Jr. 



Treasurer 

 Ezra T. Cresson 

 Publication Committee Finance Committee Property Committee 



James A. G. Rehn Morgan Hebard Ezra T. Cresson, Jr. 



Editor Chairman Lihrarian and Custodian 



Ezra T. Cresson D. M. Castle Morgan Hebard 



Philip P. Calvert James A. G. Rehn Philip Laurent ' 



Meetings held ("alternately with those of the Entomological Section of the Academy 

 of Natural Sciences of Philadelphia) on the fourth Thursday of September, October. Novem- 

 ber, January, February, March, April and May, and on the second Monday of June and 

 December (annual meeting). The offices, meeting room, library and collections of the 

 Society are in the Entomological Department of the Academy of Natural Sciences of 

 Philadelphia, Logan Square. 



Serial Publications of the Society 

 Proceedings of the Entomological Society of Philadelphia, volumes I-VI, 1861-1867 



Out of print and cannot be supplied. 

 Transactions of the American Entomological Society, volumes I-IV, out of print and 

 cannot be supplied; V-X, $5.00 per volume; XI-XLVI, $4.00 per volume. Published 

 in annual volumes of quarterly parts. 

 The Practical Entomologist, volumes I-II, 1865-1867. Price, Sl.OO for the two volumes. 

 Memoirs of the American Entomological Society, number 1, 1916, price $2.00; number 2, 

 1917, price $4.50; number 3, 1919, price $1.50; number 4, 1920, price $2.50. Pub- 

 lished irregularly. 

 Entomological News, volumes I-XXXI. Price $2.00 per volume. Published in con- 

 junction with the Entomological Section of the Academy of Natural Sciences of 

 Philadelphia. 

 Various irregular, non-serial publications have been issued, which may be found in our 

 price lists under their respective authors. 



To establish the date of issue, each paper, as soon as completed, is placed on sale and 

 a copy of it is mailed to each of the following institutions, with a request that it be placed 

 in their library for reference. 



Boston Society of Natural History Field Museum of Natural History 



American Museum of Natural History California Academy of Sciences 

 Smithsonian Institution Entomological Society of Ontario 



Separates of papers published in the Proceedings and Transactions, if net out of print 

 can be supplied at prices given in our price lists, which arc sent upon application, stating 

 order or orders desired. The Society has also inaugurated a system of subscription to 

 papers published by it on individual orders, which arrangement is of material benefit to 

 the student who desires promptly the literature on any special group, but who does not 

 flesire to subscribe to entire volumes of the Transactions. A method of notification of the 

 appearance in its publications of papers relating to individual orders or subjects has been 

 devolopcii by the Society. Information concerning these arrangements supplied upon 

 .'ipplication. 



In sending subscriptions or in making inquiries relative to publications, address: 



THE AMERICAN ENTOMOLOGICAL SOCIETY, 



PUULICATION DePAHTMENT, 



The Academy of Natural Sciences of Philadelphia! 

 Logan Square. 



