EXPLANATORY INDEX. 



277 



Costalis, (cellula or nervura) the 

 cell or uervure nearest the upper 

 margin of each wing, 167 ; fi- 

 gured, 168, m 



Coxa, the first or basal joint of the 

 legs in insects, 169 ; figd. 169, a 1 



Crabronites, an order of Hyme- 

 noptera, 233 



Crambites, an order of Lepidop- 

 tera, 214 



Crane-flies, Tipulites, an order of 

 Diptera, 217 



Cranium, the corneous covering 

 of the head in insects, 154 



Cretaceus, the white colour of 

 chalk, 175 



Crickets, Achetites, an order of 

 Orthoptera, 265 ; figured la. 

 pu. im., 73 



Crinitus, covered with long thin 

 hair, 177 



Criocerites, an order of Coleoptera, 

 260 



Croceus, the colour of the blossom 

 of the golden crocus, 174 



Crustaoeae, (proalas) when com- 

 posed of a hard brittle substance 

 which neither bends nor folds 

 without injury, 166 



Cuckoo-bees, Apathites, an order 

 of Hymenoptera, 237 



Cucujites, order of Coleoptera, 261 



Culicites, order of Diptera, 219 



Cuprous, the bright colour of new 

 copper, 175 



Curculionites, an order of Coleop- 

 tera, 261 



Cyaneus, a bright blue, the colour 

 of the blossom of Centaurea 

 Cyan us, 174 



Cynipites, an order of Hymenop- 

 tera, 239 



Cyrtites, an order of Diptera, 219 



•Dasypoda, a genus of Andrenites, 



figured, 235 

 Day-chafers, Cetoniites, an order 



of Coleoptera, 251 

 Death-watch beetles, Ptinitcs, an 



order of Coleoptera, 248 

 Decaton, the tenth segment of 



insects, 145; figured, 137, S 

 Deilephila, a genus of Sphingites, 



210 ; la. figured, 90; im. 209 



Derivation of the term insect, 145 



Dermata, (pupa) when the prior 

 skin is retained, and no trace of 

 the situation of limbs is visible, 

 78 ; figured, 25 d 



Dermestites, an order of Coleop- 

 tera, 253 



Description, terms used for the 

 purpose of, 129 



Devil's coach-horses, Staphyli- 

 nites, order of Coleoptera, 256 



Digger, a piece of iron bent at one 

 end, used for ripping the bark 

 from trees, &c., 95 



Diptera, the second class of in- 

 sects, distinguished by having 

 two membranaceous wings and 

 two halteres or poisers in the 

 place of hind wings, 76 ; mode 

 of collecting, 104; classification, 

 216 



Dilutus, in colour, signifies that it 

 is pale, 175 



Discus, the central portion of the 

 wing, figured, 168, / 



Discus or stalk of maxilla, the se- 

 cond portion adjoining the in- 

 sertion, 162 ; figured, 159, o 2 



Diving-bell beetles, Helophorites, 

 an order of Coleoptera, 254 



Dolichopites, order of Diptera, 224 



Dolichopus, a genus of Dolicho- 

 pites, figured, 224 



Doubleday, Mr., remarks on the 

 geographical distribution of in- 

 sects, 110 



Downy-flies, Therevites, an order 

 of Diptera, 222 



Dragon-flies, Libellulites, an order 

 of Neuroptera, 270 



Dress recommended for the prac- 

 tical entomologist, 91 



Dung-chafers, Scarabseites, an or- 

 der of Coleoptera, 252 



Dung-flies, Scatophagites, an or- 

 der of Diptera, 227 



Dy tiscites, order of Coleoptera, 255 



Earwigs, Forficulites, an order of 

 Orthoptera, 264 ; history of, 10 ; 

 wing figured, 1 1 



Ecdysis,sloughingor changing the 

 skin as in caterpillars, 79 ; num- 

 ber of times it takes place, 81 



