XX MONTHLY PROCEEDINGS 



the whole length ; wings hyaline, rather hairy, veins reddish, areolet closed, radial 

 area open, a large brown blotch occui^ying basal half of radial area and apical 

 third of areolet, also extending slightly along the cubitus ; basal vein thick and 

 clouded with brown; anal vein brown from opposite tip of areolet; tip of radial 

 vein pale, subcostal vein becomes brown as it approaches basal vein and be- 

 comes pale again just before joining the large brown blotch; legs reddish-brown, 

 pubescent. 



This no doubt will prove to be related to the dimorphic group of 

 Ci/nips — spang ijica, aciculata, etc. 



I noticed smaller galls on the trees during the winter, but all 

 were empty and have produced nothing but Chalcid flies — CaUimeme, 

 Pteromalus, &c. 



The summer galls will probably produce the two gendered form. 



The following additions to the Library of the American Entomological 

 Society were announced : — 



Second Report of the U. S. Entomological Commission for the years 

 1878 and 1879, relating to the Rocky Mountain Locust and the Western 

 Cricket. From the Commission. 



Report on Insects injurious to Sugar Cane, by J. Henry Comstock. 

 From the Author. 



List of Orthoptera collected by Dr. A. S. Packard Jr., in the Western 

 United States, in the summer of 1877, by S. H. Scudder. From the 

 Author. 



Notes on North American Microgasters, with descriptions of new 

 species, by C. V. Riley. From the Author. 



Canadian Entomologist, vol. xiii, No. 4. From the Editor. 



Entomologist's Monthly Magazine, Nos. 203 and 204. From the 

 Conductors. 



Psyche, vol. iii. No. 80, December, 1880. From the Editors. 



Annual Report of the Entomological Society of the Province of 

 Ontario, for 1880. From the Society. 



Verhandlungen der kaiserlich-koniglichen zoologisch-botanischen 

 Gresellschaft in Wein, vol. xxx. From the Society. 



Mittheilungen der Schweizerischen Entomologischen Gesellschaft, 

 vol. vi, No. 3. From the Society. 



Species des Hymenopteres d' Europe and d'Algerie, par Ed. Andre, 

 vol. i. No. 9. From the Author. 



Jahres-Bericht des Naturhistorischen Vereins von Wisconsin, for 

 1880—81. From the Society. 



Sitzungs-Berichte der naturwissenschaftlichen 0(^sellschaft Isis in 

 Dresden, von Carl Blcy, 1880. From the Author. 



