BOOKS. 
“ Some books are to be tasted, others to be 
swallowed, and some few to be chewed and 
digested.” The latter sort only are here re- 
commended, and which are for the most part 
indispensable. In all sciences the newest works 
are or ought to be the best. 
Kirby and Spence’s Introduction to Entomology, 
1818—1827. 
Curtis’s British Entomology, 1824 — 1839. 
Stephens’s Illustrations of British Entomology, 
1827—1837. 
Shuckard’s Essay on the indigenous Fossorial 
Ilymenoptera, 1837. 
Wood’s Index Entomologicus, or a complete illus- 
trated catalogue of British Lepidoptera, 1944 
figures. 1838. 
Westwood’s Introduction to the Modem Classifi- 
cation of Insects, 1838 — 1839. 
Many papers in the Entomological Magazine, and 
Transactions of the Entomological Society of 
London. 
The following Works are in the Press. 
Curtis’s Synopsis of British Insects, in separate 
volumes, each volume to contain one or more 
orders. 
Shuckard’s Elements of British Insects. 
Spry and Shuckard’s British Coleoptera deline- 
