Ixiv 



enumerated in this work is 77,908, the chief families (exclusive 

 of several of the smaller groups) being as follows : — 



Cicindelidse 803 



CarabidaB 8,516 



Dytiscidse 948 



Gyrinidse - - 147 



Hydrophilidas - - - - - - 573 



Staphylinidse 4,130 



Pselaphidae - - - - - - 450 



PaussidsB ------ 99 



Scydmaenidse - - - - - - 269 



Silphidse - - 460 



Histeridae - - - - . - 1,15 J 



Lucanidae ----- - 529 



Lamellicornia . - - - - 6,550 



Buprestidse - - ... 2,686 



Elateridae 2,693 



Malacodermidas - - - - ■ - 2,160 



Cleridffi 697 ' 



Tenebrionidae - - - - - - 4,519 



Cautharidae 812 



Curculionidae - - ' - - - - 10,196 



Cerambycidae 7,568 



ChrysomelidEe - . . - - - 10,196 



Erotylidae 1,011 



Endomychidae - . . . - 866 



Coccinellidae 1,449 



In the most recent general work on the invertebrated animals 

 (Huxley's 'Manual,' p. 256), the number of all the Arthropoda is 

 estimated at rather above than below 200,000, of which the 

 larger proportion, probably more than 150,000, are insects, all 

 the rest of the animal kingdom numbering 50,000 species. Con- 

 sidering, as I think we are justified in doing, that there are not 

 fewer than 100,000 species of beetles, I should rather think the 

 total number of insects (including Crustacea and Arachnida), 

 cannot be fewer than a million. 



Our lamented member, T. Y. WoUaston, completed his labours 

 upon the Coleopterous fauna of the Atlantic islands, a few weeks 

 before his death, by the publication of his ' Coleoptera Sanctae 

 Helense ' (8vo, 2§6 pages and 1 plate, Van Voorst), in which are 



