Ju 



PSYCHE. 



227 



(Achorutes communis, Xenylla longicauda, and 

 Seira jafionica) which were collected b_v Dr. 

 Seitaro Goto and brought b_v Prof. Mitsukuri 

 of the Imperial University. 



Some discussion followed upon the geo- 

 graphical distribution of Collembola. Mr. 

 Folsom observed that in an unusual number 

 of cases the same species has been recorded 

 from most widely separated regions of the 

 earth; Achorutes artnatus, for example, ap- 

 pears to occur throughout Europe and in 

 California, Massachusetts, Uraguaj, Valpa- 

 raiso, Siberia, Sumatra and Greenland. It 

 must be said, however, that the species of 

 Collembola have too often been imperfectly 

 identified. 



In response to remarks by Mr. Scudder 

 upon the Collembola of Greenland, Mr. 



Folsom stated that a number of nearly allied 

 species are found in this vicinity which pass 

 the winter in the adult condition and which, 

 though often frozen and apparently lifeless, 

 readily regain activity upon exposure to 

 warmth. 



Mr. A. P. Morse said he had received from 

 Mr. H. K. Burrison of West Newton, Mass., 

 a fresh, active and adult specimen of Cono- 

 cephalus dissimilis, which was found about 

 the middle of last March in a mass of spinach. 

 The dealer from whom the vegetable was 

 obtained was unable to state whence it came, 

 except that it was from the south. Mr. 

 Scudder said that the insect had been rarely 

 reported north of Mai-yland, but had been 

 noted from southern Connecticut and New 

 York. 



Guide to the Genera and Classification of the Orthoptera of North America 

 north of Mexico. By Samuel H. Scudder. 90 pp. S°. 



Contains keys for the determination of the higher groups as well as the 

 (nearly 200) genera of our Orthoptera, with full bibliographical aids to further 

 study. Sent by mail on receipt of price ($1.00). 



E. W. WHEELER, 30 Boylston Street, Cambridge, Mass. 



Published by Henry Holt & Co., New York. 



Scudder's Brief Guide to the Com- 

 moner Butterflies. 



By Samuel H. Scudder. xi + ;o6 pp. 



limo. $i.;5. 



An introduction, for the young student, to 

 the names and something of the relationship 

 and lives of our commoner butterflies. The 

 author has selected for treatment the butter- 

 flies, less than one hundred in number, which 

 would be almost surely met with by an in- 

 dustrious collector in a course of a year's or 

 two year's work in our Northern States east 

 of the Great Plains, and in Canada. While 

 all the apparatus necessary to identify these 

 butterflies, in their earlier as well as perfect 

 stage, is supplied, it is far from the author's 

 puipose to treat them as if they were so many 

 mere postage-stamps to be classified and ar- 

 ranged in a cabinet. He has accordingly 

 added to the descriptions of the difterent spe- 

 cies, their most obvious stages, some of the 

 curious facts concerning their periodicity and 

 their habits of life. 



Scudder's The Life of a Butterfly. 

 A Chapter in Natural History for 

 the General Reader. 



BvSamue H. Scudder. 1S6 pp. i6mo. 

 $1.00. 



In this book the author has tried to present 

 in untechnical language the story of the life 

 of one of our most conspicuous American 

 butterflies. At the same time, by introduc- 

 ing into the account of its anatomy, devel- 

 opment, distribution, enemies, and seasonal 

 changes some comparisons with the more or 

 less dissimilar structure and life of other but- 

 terflies, and particularly of our native forms, 

 he has endeavored to give, in some fashion 

 and in brief space, a general account of the 

 lives of the whole tribe. By using a single 

 butterfly as a special text, one may discourse 

 at pleasure of many; and in the limited field 

 which our native butterflies cover, this meth- 

 od has a certain advantage from its simplicity 

 and directness. 



