GLOSSARY. 



13 



Corneous. Horny; of a horn color; or 

 resembling horn. 



Corneo-calcareous. A term in concholo- 

 gy, used to express the mixture of 

 horny and calcareous matter which 

 enters into the composition of some 

 shells. It is also applied to those 

 opercula which are horny on one side 

 and testaceous on the other. 



Cornets. The hard, scaly processes which 

 move and rattle at the end of a rattle- 

 snake's tail. 



Corniijerous. Having horns ; as, cornige- 

 rous animals. 



Cornua. Horns, or horn-like processes. 



Corolla. A little crown; a kind of 

 wreath. 



Coronal. Pertaining to the crown or 

 top of the head. 



Coronate Prolegs. Prolegs that have an 

 entire coronet of crotchets. 



Coronated. Crowned towards the apex, 

 as some shells are, by a row of spines, 

 tubercles, &c. 



Coroniform. Having the form of a crown. 



Corpus. In conchology, the body of the 

 shell; the last or great wreath, in 

 which the aperture is situated. 



Corpuscular. Relating to corpuscles, or 

 small particles supposed to be constit- 

 uent materials of all large bodies, or 

 the elementary principles of matter. 



Corrugate; Corrugated. When a surface 

 rises and falls in parallel angles more 

 or less acute ; wrinkled. 



Corselet, or Thorax. That part of 

 winged insects which answers to the 

 breast of other animals. 



Cortex. A thin membrane covering the 

 skin; the epidermis. 



Corticated. Resembling the bark or rind 

 of a tree. 



Corvine. Relating to the crow kind. 



Cosfa, or Costalis (cellua or nervura). 

 The cell or nervure nearest the upper 

 margin of each wing in insects. 



Costal. Pertaining to the sides of the 

 body or the ribs ; or to the costa in the 

 wings of insects. 



Coslate. Having several broad, elevated 

 lines. 



Coverts, or Wing-coverts. The lesser cov- 

 erts of the wings are the small feathers 

 that lie in several rows on the bones of 



the wings ; the under coverts are those 

 that line the inside of the wings ; and 

 the greater coverts are the feathers that 

 lie immediately over the quill-feathers 

 and the secondaries. Tail-coverts are 

 the feathers which cover the tail on the 

 upper side, at the base. 



Coxa. The first or basal joint of the 

 legs in insects. 



Cranial. Pertaining to the cranium or 

 skull of an animal. 



Cranium. The skull of an animal. 



Craw. The crop, or first stomach, of 

 fowls ; an expansion of the gullet. 



Crenate; Crenated. Marked with small 

 notches, not sufficiently raised or de- 

 fined to be compared to teeth. 



Cremastrce. The anal hooks by which 

 many pupae suspend themselves. 



Crejiulated. Notched at the margin ; 

 having the edge cut, as it were, into 

 very small scallops. 



Crepera. A gleam of paler color upon a 

 dark ground. 



Crepitation. The act of bursting with a 

 frequent repetition of sharp and abrupt 

 sounds. 



Crepuscular. Pertaining to the twilight ; 

 as, certain birds and insects are crepus- 

 cular ; thereby denoting that they are 

 seen on the wing late in the evening 

 and before sunrise. 



Crest. A tuft of feathers on the head of 

 certain birds. 



Crested. Adorned with a crest or plume. 



Crestless. Without a crest. 



Cretaceous. Abounding with chalk; 

 having the quality of chalk. 



Cribriform. Resembling a sieve : a term 

 in anatomy, applied to the lamina of 

 the ethmoid bone, through which the 

 fibres of the olfactory nerve pass to the 

 nose. 



Crinite. Covered with long, thin hair; 

 having the appearance of tufts of hair. 



Crinoid. Belonging to the Crinoideans, 

 or Echinodermata, fossils which resem- 

 ble lilies. 



Crispated. Curled, or rough with waving 

 lines. 



Cristate. Having one or two very ele- 

 vated lines, usually crenate. 



Crocodilian. Relating to the crocodile or 

 o f her Saurian reptiles. 



