REVIEWS. 263 



and yet at the same time unwilling to go to the cost of 

 printing his notes, he has adopted the plan of transcribing 

 them on lithographic paper, illustrating them with original 

 etchings on copper, hand-colouring ihe same, and issuing a 

 limited edition of Rfly or sixty copies, which he distributes to 

 such societies, «&c., as are likely to make most use of them. 

 All this the author accomplishes in his leisure hours ; and, 

 whatever value his labours may have, we cannot but admire 

 his industry. 



In the absence of any synopsis of the North American 

 Heteropter(i,vie can well imagine the work before us proving 

 of considerable utility to the young student. Space will not 

 permit us to allude at any great length to the contents of the 

 book; but we may mention that amongst others it contains 

 notices of the various classifications that have been adopted; 

 lists of the predaceous, parasitic and injurious species; of 

 the insects that destroy Heiniplern ; of the various remedies 

 against injurious species; notes of the habits and food; &c. 



In the present notoriety of the Colorado potato-beetle, it 

 may be of interest to note that in America the following 

 species of Heleroptera are said to destroy it: — Podisus 

 cynicus, P. spinosas, Milyas cinclus, Perillus circumciftctus, 

 Sinea multispinosa, Stiretrnn Jimbridtus, and, probably in 

 the egg-stale, Lyyus lineularis. It is not unlikely, then, that 

 in the very improbable circumstance of its becoming estab- 

 lished in this country, some of our native Heiniplera may 

 attack it. 



The work is illustrated by ten plates, etched and coloured 

 by the author. The figures (whose colour is perhaps a trifle 

 feeble) will prove of great service in carrying out the purpose 

 of the book.— F. B. W. 



The Colorado Potato-Beetle. Illustrated and described by 

 Dr. Andrew Wilson. W. & A. K. Johnston: Edin- 

 burgh and London, 1877. 

 We cannot speak too highly of this pamphlet, whether 

 with regard to the beautiful coloured plates illustrating the 

 life-hislory of Doryphora decemliiieata, including some of its 

 fatal parasites, or of the pleasant but instructive way in which 

 Dr. Wilson tells ns all about this insect from its first discovery 

 in 1824, and the record in the thii'd volume of the Proceedings 

 of the Academy of Natural Sciences of.Philadelphia, down to 



