LIST OF ENGRAVINGS. XXV 



Fig. r>age 



1 43 Juliis terrestris 268 



144 Muscles of the trunk of the Melolontha vulgaris, (Straus 



Durckhehn) 269 



145 Eggs of Bombyx mori 273 



146 Larva of the same 27 3 



147 Pupa of the same 273 



148 Imago of the same 273 



148* A Caterpillar of the Phalena striaria, (Hubner) 281 



B The same in a rigid position, (Lyonet) 281 



149 Calosoma Sycophanta, (Kirby and Spence) 286 



150 Analysis of skeleton of the same, (Carus) 287 



151 Hind view of the segment of the head in the same, (id.). • 287 



152 Suckers on the foot of the Musca vomitoria, expanded; 



magnified view, (Bauer) 297 



153 Cushions on the foot of the Cimbex lutea, magnified, (id.) 297 



154 Suckers on the under side of the foot of a male Dytiscus 



marginalis, (id.) 297 



155 Cushions and sucker of the Acridiujn biguttulum, Latr. 



(id.) 297 



156 Dytiscus marginalis, upper side, (Roesel) 300 



157 Lower side of the same insect, (id.) 300 



158 Notonecta glauca, (Roesel) 301 



158* Fore leg of Gryllotalpa, (Kidd) 307 



159 Wing of Gry litis nasutus. Orthoptera 313 



\60 'Whig oi Libellula grandis. Neuroptera 313 



161 Wmg of Ichneumon persuasorius, Hymenoptera 313 



1 62 Wing of Tipula oleracea. Diptera 313 



163 Sting of Anthophora retusa, (original) 315 



164 Separate scales of the wing of Hesperia Sloanus, (original) 318 



165 Arrangement of the scales in the wing of the same 318 



172 Longitudinal section of the thigh-bone to show the can- 



cellated structure, (Cheselden) 333 



173 Longitudinal section of the humerus, (id.) 333 



174 Ossification of the parietal bone, (id.) 338 



175 Early stage of ossification of the bones of the skull, 



(Cloquet) 338 



176 The same in the adult, showing the sutures 338 



177 Dorsal vertebra, human 346 



] 78 Junction of vertebrse forming the spinal column 346 



179 Longitudinal section of the same, showing the spinal canal 346 



