iv CONTENTS. 
Letter. Page. 
L. On Entomological Instruments ; and 
the best Methods of collecting, 
breeding, and preserving Insects.. 515—546 
LI. Investigation of Insects ......... , 547—560 
APPend ine reyartecteiars we eieieere eat ae 561—572 
Authors quoted —......82.2-.--- 573—589 
Explanation of the Plates ........ 590—602 
Indexes .irck Fee Svea mars restr soe 603—634 
ERRATA. 
Page. Line. Trxr. 
58 12, for Semblis read Sialis. 
78 antepenult. for Casei read putris. 
97 21, put a comma after longitudinally, and dele that after 
transversely, 
107 2, after crop insert and. 
289 235 after Menelaus insert Puate XIV. Fic. 1. a. 
590 gh Jor d. The Bronchiz connected with the Trachea, read 
d. The Nerves &c. 
Page. Note. Nores. 
10 k, dele 1. 
20 Ps for c read 6b. 
37 5 for A’ read A”. 
44 , dele n”. . 
97 By after Fic. add 3. 
149 ca after 109 add Puarr XXX. Fie. 12, a. 
d, dele Pratt XXX. Fic. 12, a. 
a 
b 
176 for a read a 
