112 THK CANADIAN ENTOMOLOGIST. 



Crabro, sp., near Packardi. — Hart Little Spring, Arizona, July 14. 

 One. AblaGk hornet, of narrowed form. Abdomen banded with yellow, 

 legs yellow. Det., Fox. 



Crabro delectus, Cr., $ .—Continental Divide, Tenaja, N. Mex., 

 Aug. 2. One. A small black and deep yellow hornet. It was infested 

 with two dozen small rufous mites on dorsum of base of abdomen. 

 Det., Riley. 



Crabro minimus, Pk. — Las Cruces, N. Mex. Name com. by Prof. 

 Cockerell. Det., Fox. 



Cryptus, sp. afif. americatius. — Hart Little Spring, Arizona, July 14. 

 One specimen. A good-sized black ichneumonid with red abdomen. 

 Det.,-Fox. (?) * 



Cryptus callipterus. Say, $ ?. — Las Cruces, N. Mex. An ichneu- 

 monid. Two females and two males. One of the males is considerably 

 smaller and more slender, and generally darker. Det., Riley. 



. Cryptus proximus, Cr. — Hart Little Spring, Arizona, July 4 and 14. 

 Two specimens. Det., Fox. 



[to be continued.] 



BOOK NOTICES. 



" Handbuch der palaarktischen Gross-Schmetterlinge fiir Forcher und 

 Sammler," by Dr. M. Standfuss, Jena, 1896 (Verlag von Gustav 

 Fisher). 



This is a second edition of the " Handbuch fiir Sammler der 

 europaischen Gross - Schmetterlinge " rearranged and enlarged by the 

 addition of certain studies in the theory of descent ; 392 pages, and 

 eight coloured lithographic plates. 



The author gives an extensive account of the methods of collecting, 

 of breeding larvae, pairing of imagoes, both of the same and of different 

 species, etc., interspersed with interesting philosophical remarks. As the 

 preface says, " this book unites in itself two objects : lepidopterological 

 practice and scientific - zoological speculation." The special case of 

 hybridization recounted in detail, on pages 66 to 107, represents a 

 very neat piece of work. The author shows, by considerations of the 



