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CONNECTING NEEVTTEES. Nervures that 

 running transversely or obliquely connect 

 the longitudinal ones, and so form the 

 areolets. 



CONNIVENT. The meeting of two lines so 

 as to form an angle. When erect wings 

 are so closely applied to each other that 

 the corresponding margins touch. 



CONOID. In anatomy, a gland in the third 

 ventricle of the brain, shaped like a cone 

 or pine, and called the pineal gland. 



CONOIDICAL. Having the form of a conoid 



CONSANGUINEOUS. Related by birth; de- 

 scended from the same parent or ancestor. 



CONSECUTIVE. Uninterrupted in course or 

 succession. 



CONSPERSE. Thickly sprinkled with minute 

 irregular dots often confluent. 



CONSTRICT. Suddenly and disproportion- 

 ably smaller at one end. 



CONSUTE. Having very minute elevations 

 in a series at some distance from each 

 other, of a different colour from the rest 

 of the surface. 



CONTERMINOUS. Nearly allied ; as conter- 

 minous groups, &c. 



CONTORTED. Twisted, or incumbent on each 

 other in an oblique direction. 



CONTRACTILE. Having the power of short- 

 ening or of drawing into smaller dimen- 

 sions. 



CONVEX. Rising or swelling on the exterior 

 surface into a round or spherical form. 



CONVOLUTE : CONVOLUTED. Twisted spi- 

 rally, or rolled regularly one over the 

 other ; when the wings of an insect so en- 

 velope the body as to give it a cylindrical 

 form. 



CONVOLVOLENT. When the anal area is 

 horizontal, incumbent on the back of the 

 insect, and forms a right angle with the 

 rest of the tegmen, which is vertical and 

 covers the sides. 



CORACOID. Shaped like a crow's beak. 



CORBICULATE. When the tibia or shank of 

 an insect is fringed with incurved hairs 

 calculated for carrying kneaded pollen. 



CORCULA. The reservoir in the dorsal chan- 

 nel through which the blood of insects 

 flows. Each corculum is somewhat pear- 

 shaped, and has a distinct, tough, and 

 elastic coat like that of an artery ; and 

 the interior appears to be wholly filled with 

 blood. 



CORDATE : CORDIFORM. Heart-shaped. 

 Ovate or sub-ovate, and hollowed out at 

 the base, without posterior angles. 



CORIACEOUS. Of a tough, flexible, and lea- 

 ther-like consistence. 



CORNEA. The transparent membrane in the 

 fore part of the eye, through which the 

 rays of light pass. 



CORNEOUS. Horny ; of a horn colour ; or 

 resembling horn. 



CORNED-CALCAREOUS. A term in conchology, 

 used to express the mixture of horny and 

 calcareous matter which enters into the 

 composition of some shells. It is also ap- 

 plied 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. 



CORNIGEROUS. Having horns ; as, corni- 

 gerous animals. 



COHNUA. 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 the con- 

 stituent materials of all large bodies, or 

 the elementary principles of matter. 



CORRUGATE. CORRUGATED. When a sur- 

 face 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. 



COSTA, or COSTALIS (cellula or nervura). 

 The cell or nervure nearest the upper mar- 

 gin 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. 



COSTATE. Having several broad elevated 

 lines. 



COVERTS, or WING-COVERTS. The lesser 

 coverts 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-coverte are the 



feathers which cover the tail on the upper 

 side, at the bare. 



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 defined to 

 be compared to teeth. 



CREMASTR^E. The anal hooks by which 

 many pupae suspend themselves. 



CRENULATED. Notched at the margin ; 

 having the edge cut, as it were, into very 

 small scallops. 



CREPERA. A gleam of paler colour 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. 



