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ENTOMOLOGICAL NEWS. 



[Sept., '60 



which give definite localities where the species have been 

 found to exist. The most available records in this line are 

 to be found in the two following publications: 'Catalogue 

 of Described Hymenoptera of America North of Mexico," by 

 E. T. Cresson, published in 1887, which gives the localities 

 whence the species listed were originally described ; 'A 

 Monograph of the North American Proctotrypidse," by Wm. 

 H. Ashmead, published in 1893, enumerates in like manner, 

 with descriptions, the species of that family. 



An examination of these two lists enables us to locate the 

 geographic affinities of 371, or over 61 per cent, of the spe- 

 cies embraced in the Algonquin list. They are distributed as 

 follows : 



