198 THE ZOOLOGIST. 



worker on the subject ignored, nor will he fail to find a candid 

 examination of views other than his own. The chapter on 

 telegony is an excellent example of judicious criticism combined 

 with an unbiassed statement of the facts used in support of that 

 theory. 



The Dictionary of Entomology. By N. K. Jardine, F.E.S. 



West, Newman & Co. 

 A glance at this volume will almost surprise an average 

 entomologist by the number of terms used in his science. Mr. 

 Jardine seems to have successfully grappled with the derivation 

 of these words, and his book will doubtless find its place on most 

 entomological bookshelves. As the author requests to be in- 

 formed of any omissions, " in order to render future issues more 

 complete," we do not hesitate to point out a few items that may 

 help to serve that purpose. 



In the definition of the word " Hemiptera," that Order is 

 stated to comprise insects possessing, among Qther characters, 

 upper wings which are "partly coriaceous and partly mem- 

 braneous." This will not apply to some members of its suborder 

 "Homoptera." The term "Hemiptera" is by many students con- 

 sidered to be preoccupied by " Ehynchota," and the latter word 

 should therefore find a place in the catalogue. So also should 

 " Odonata " (Dragonflies), while the term "mimicry" has been 

 so much pressed and laboured in entomology that it should at 

 least be recognized in the Dictionary. The best previous lexicon 

 on this subject, and the first of its kind, is found in Burmeister's 

 ' Manual of Entomology,' of which an English translation by 

 Shuckard appeared in 1836, and this may well be added to the 

 "Authorities Consulted." We expect Mr. Jardine's wish for a 

 knowledge of "omissions" has been gratified by other writers, 

 and that he will thus in a future edition be able to make this 

 really good and useful book an even better and more compre- 

 hensive one. 



