Letter. 
XXXVILI. 
XXXVIIL. 
XXXIX, 
XL. 
XLI. 
XLII. 
XLII. 
XLIV. 
XLV. 
XLVI. 
XLVII. 
XLVIII. 
XLIX. 
CONTENTS 
OF VOL. AV. 
Page. 
Internal Anatomy and Physiology of 
IIIS SGU os Sag ya ae ee 1—33 
Internal Anatomy and Physiology of 
Insects continued. Respiration .. 34—79 
Internal Anatomy and Physiology of 
Insects continued. Circulation.... 80—95 
Internal Anatomy and Physiology of 
Insects continued Digestion .. 96—120 
Internal Anatomy and Physiology of 
Insects continued. Secretion .... 121—145 
Internal Anatomy and Physiology of 
Insects continued. Reproduction.. 146—166 
Internal Anatomy and Physiology of 
Insects concluded. Motion...... 167—196 
DiseasesvotInsects!| <7 23). 197—232 
Senses of Insects... i ic cae vdeu..- 233—256 
Orismology, or Explanation of Terms 257—354 
System ol UNsecis yee sas: 355—418 
History of Entomology 419—4:73 
ee er 
Geographical Distribution of Insects ; 
their Stations and Haunts ; Seasons ; 
Times of Action and Repose...... AT 4—5 14 
