List of Colcoptera of North America 



By CHARLES W. LENG 



TO BE PUBLISHED IN THE SPRING OF 1919, PROVIDED 500 

 PAID SUBSCRIPTIONS ARE OBTAINED BEFORE FEBRUARY 1st 



This long needed work has now been completed, and the untiring and 

 painstaking efforts of Mr. Leng have resulted in a book which will be indis- 

 pensable to all those interested in this Order of insects. 



The main features are briefly these : 



I. Complete list of the species, varieties and synonyms, about 

 30,000 in all, together with page reference to the place in which 

 each was originally described, and also an indication of distribu- 

 tion the whole arranged in genera, tribes and families, according 

 to recent systems of classification. The species are numbered in 

 the usual manner for the convenience of those desiring it. 



II. Complete list of all works containing original descriptions 

 of North American species, frorp. 1758 to the end of 1918. 



III. Complete list of the Fossil species of North America, pre- 

 pared by Professor H. F. Wickham. 



These three divisions of the book will require about 400 pages 

 of text. 



The book will be the size of Col. Casey's " Memoirs of Cole- 

 optera," about 7 x 10 inches, the text printed two columns to the 

 page, with some marginal space for annotations, which may be 

 made in ink, if desired. 



The subscription price has been fixed at the lowest possible amount to 

 encourage all who are interested to subscribe at once, and in this way insure 

 early publication of the book. In order to bring about this result, it will be 

 necessary for all subscribers able to do so to take two or more copies. 



PRICE, UNBOUND, INCLUDING DELIVERY. FIVE DOLLARS AND FIFTY CENTS 



PRINTED ON ONE SIDE ONLY. SEVEN DOLLARS 



PAYABLE IN ADVANCE IN ALL CASES 



Owing to the high cost and scarcity of paper and labor, it is not practi- 

 ticable to print a large edition, and the price will have to be materially 

 increased upon publication. 



SEND ALL SUBSCRIPTIONS AND REMITTANCES TO THE Pl'UI.KSHER 



JOHN D. SHERMAN, Jr. 



24 Claremont Avenue, Mount Vernon, New York 



