310 GLOSSARY. 



Coccus. — The genus of Insects including the Cochineal. In these 

 the male .is a minute, winged fly, and the female generally a 

 motionless, berry-like mass. 



Cocoon. — A case usually of silky material, in which insects are 

 frequently enveloj ed during the second or resting-stage (pupa) 

 of their existence. The term "cocoon-stage" is here used as 

 equivalent to " pupa-stage." 



CcELosPKRMOus. — ^A tiTm applied to those fruits of the Umbellifer^ 

 which have the seed hollowed on the inner face. 



CoLEOPTERA. — Beetles, an order of Insects, having a biting mouth 

 and the first pair of wings more or less horny, forming sheaths 

 for the second pair, and usually meeting in a straight line down 

 the middle of the back. 



Column. — A peculiar organ in the flowers of Orchids, in which 

 the stamens, style and stigma (or the reproductive parts) are 

 united. 



Composite or Compositous Plants. — Plants in which the inflores- 

 cence consists of numerous small flowers (florets) brought 

 together into a dense head, the base of which is enclosed by a 

 common envelope. (^Examples, the Daisy, Dandelion, &c.) 



Conferva. — The filamentous weeds of fresh water. 



Conglomerate. — A rock made up of fiagments of rock or pebbles, 

 cemented together by some other material. 



Corolla. — The second envelope of a flower usually composed of 

 coloured, leaf-like organs (petals), which may be united by their 

 edges either in the busal part or throughout. 



Correlation. — The normal coincidence of one phenomenon, 

 character, &c., with another. 



Corymb. — A bunch of flowers in which those springing from the 

 lower part of the flower stalk are supported on long stalks so as 

 to be nearly on a level with the upi>er ones. 



Cotyledons. — The first or seed-leaves of plants. 



Crustaceans. — A cluss of articulated animals, having the skin of 

 the body genei'ally more or less hardened by the deposition of 

 calcareous matter, breathing by means of gills. {Examples, 

 Crab, Lobster, Shrimp, &c.) 



CuRCULio. — The old generic term for the Beetles known as Weevils, 

 characterised by their four-jointed feet, and by the head being 

 produced into a sort of beak, upon the sides of which the 

 antennae are inserted. 



Cutaneous. — Of or belonging to the skin. 



