432 GLOSSARY. 



having the form of the body fish-like, the akin nakod, and only the fore- 

 limbs developed. 



Chelonia. — An order of Reptiles including the Turtles, Tortoises, &c. 



Oirripedes. — An order of Crustaceans including the Barnacles and Acorn- 

 shells. Their young resemble those of many other Crustaceans in form ; 

 but when mature they are always attached to other objects, eithei 

 directly or by means of a stalk, and their bodies are enclosed by a 

 calcareous shell composed of several pieces, two of which can open to 

 give issue to a bunch of curled, jointed tentacles, which represent the 

 limbs. 



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 

 enveloped during the second or resting-stage (pupa) of their existence. 

 The term " cocoon-stage " is here used as equivalent to " pupa-stage." 



Ccelospermous. — A term applied to those fruits of the Umbelliferje 

 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 inflorescence 

 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 fragments 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 basal part or throughout. 



Correlation. — The normal coincidence of one phenomenon, character, kc, 

 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 upper ones. 



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



Crustaceans. — A class of articulated animals, having the stin of the body 

 generally 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, cha- 

 racterised by their four-jointed feet, and by the head being produced 

 into a sort of beak, upon the sides of which the antennse are inserted. 



Cutaneous. — Of or belonging to the skin. 



Degradation. — The wearing iown of land by the action of the sea or of 

 meteoric agencies. 



