o4 Psyche [February 



Fig. d. Wing of Teucholabis audax, sp. n. 

 " e. ". " Ceratocheilus americanum, sp. n. 

 " f. " " Orimarga argenteopleura, sp. n. 

 " g. " " Toxorrhina meridionalis, sp. n. 



" h. " " Toxorrhina flavida, sp. n. 



" i. " " Toxorrhina centralis, sp. n. 



" j. Ovipositor of Ceratocheilus americanum, sp. n. 

 " k. Hypopygium of ? Teucholabis parishi, sp. n. 



Dorsal aspect, (a) 9th tergite; (b) pleura; (c) apiee of pleura; (d) 

 dorsal apical appendage; (e) ventral apical appendage,; (f) guard of the 

 penis, 

 ka Ventral apical appendage, (enlarged). 



1. Hypopygium of Teucholabis pulchella, sp. n. Dorsal aspect, (a) apical 

 appendage; (b) lobe; (c) guard of the penis. 



BOOK NOTICES. 



Comstock, J. H. The Spider Book. 



A Manual for the study of the spiders and their near relatives, the scorpions, 

 pseudoscorpions, whip-scorpions, harvestmen, and other members of the class 

 Arachnida found in America north of Mexico, with analytical keys for their classi- 

 fication and popular accounts of their habits, pp. XV, 721, figs. 770. Doubleday, 

 Page & Co., Garden City, X. Y. (1912). 



This large octavo volume deals with an extensive and very 

 interesting group of Arthropods which have hitherto been given 

 very scanty attention outside of scientific journals. In fact it is 

 the first attempt to present in a single book anything like a com- 

 plete account of the American Spiders and their allies from the 

 combined standpoint of anatomy, taxonomy and ethology. 



The general arrangement is very similar to that followed in 

 Prof. Comstock's well-known Guide to the Study of Insects, 

 although the volume conforms at least in binding and typography 

 to the earlier members of the "Nature Series" issued by the same 

 publishers. Owing to the smaller extent of most of the groups of 

 Arachnida, their classification has in many cases been carried down 

 to the genera or beyond, in place of the family classification of the 

 insect manual. The mites and ticks have, unfortunately been 

 treated very briefly, although there are complete tables for the 

 specific determination of scorpions, pseudoscorpions, phalangiida?, 

 etc. The true spiders are treated with very general completeness 



