INSECTA. 
457 
HYMENOPTERA. 
A. Separate Publications. 
Catalogus specieriim generis Scoliae (sensu latiori) continens 
specierum diagnoses synonymiamque, additis annotationibus 
explanatoriis criticisque. Conscripsertint Henricus de 
Saussure et Julius Sichel. Genevse et Parisiis, 1864, 
pp. 225 and 1 plate. 
B. Papers published in Journals^ ^c. 
Bassett, H. F. Descriptions of several new species of Cynips, 
and a new species of Diastrophus. Proc. Entom. Soc. of 
Philadelphia, vol. iii. pp. 679-691. December 1864. 
CouPER, Wm. On a gall-producing Hymenopter, reared from 
Triticum repens y Linn. Canad. Natural, and Geol. new ser. 
vol. i. pp. 444-446. December 1864. 
Cresson, E. T. On the North American species of the genus 
Osmia. Proc. Entom. Soc. of Philadelphia, vol. iii. pp. 
17-38. April 1864. 
Cresson, E. T. Descriptions of several new species of North 
American Apidce. Ibid. pp. 38-43. 
Cresson, E. T. Descriptions of North American Hymenoptera 
in the Collection of the Entomological Society of Philadel- 
phia. Ibid. pp. 131-194, June ; and pp. 257-321, Septem- 
ber 1864. 
Cresson, E. T. On the North American species of several 
genera of Apidce. Ibid, vol . ii. pp. 37 3-41 1 . February 1864. 
Cresson, E. T. Descriptions of two new genera of North Ame- • 
rican Ichneumonidse. Ibid. vol. iii. pp. 397-402. Novem- 
ber 1864. 
Cresson, E. T. Descriptions of two new species of Masaris. 
Ibid. pp. 672-678. December 1864. 
Dufour, Leon. Note sur une nouvelle espece de Fourmi 
{Formica vinsonnella) . Ann. Soc. Ent. Fr. 4® serie, tome iv. 
p. 210. 12th October, 1864 (read 13th April, 1864). 
Dufour, Leon. Description du Siphonura gallce quercus, nou- 
velle espece de Chalcidite. Ibid. pp. 213, 214. 12th Oc- 
tober, 1864 (read 13th April,* 1864). 
