36 



A GLOSSARY OF TERMS 



the sun-fishes, given to them be- 

 cause they appear to have the 

 posterior part of the body cut off. 



CERA. "> A coloured membrane in- 



CKHE. 3 vesting the base of the 

 upper mandible: as in hawks, 

 and a few other birds. 



CERA'CEOTTS. Wax-like. 



CE'HATOID. fr. gr. keras, horn ; - 

 dos, resemblance. Horn-like. 



CKRA'STES. -fr. gr. keras, a horn. 

 Specific name of the horned viper. 



CEHA'SUS. Lat. A cherry tree. 



CE'RC^K. fr. gr. kerkos, a tail. The 

 feelers which project from the 

 hind part of the body in some 

 insects. 



CE'REAL. fr. lat. ceres, corn. Ap- 

 plied to grasses which produce 

 the bread corns; as wheat, rye, 

 barley, oats, maize, rice and mil- 

 let. 



CEREBE'LLTJM. Lat. The diminu- 

 tive of cerebrum. The little brain. 

 That part of the brain contained in 

 the inferior portion of the cranium. 



CEHEBRO-SPINAL. Belonging or re- 

 lating to both the cerebrum and 

 spine. 



CERE'BRUM. The brain. The term 

 is sometimes applied to the whole 

 contents of the cranium; at oth- 

 ers, to the upper portion ; the pos- 

 terior and inferior being called 

 cerebellum. 



CE'RITA. ) fr. gr. kerites, waxen. 



CERI'THIUM. A genus of univalve 

 mollusks. (p. 54, Book v). 



CERI'THIA. Plur. of cerithium. 



CERI'THIUM. A genus of turricu- 

 lated univalve mollu^ks. hotli re- 

 cent arid fossil, (p. 80 and 151, 

 Book viii). 



CERN'UOUS. Nodding or drooping. 



CE'ROID. fr. gr. keros, wax ; eidos, 

 resemblance. Wax-like. 



CKRTHIA. Lat. The systematic 

 name of a genus of birds, which is 

 the type of the family of creepers. 



CKR'VICAL. fr. lat. cervix, the neck. 

 Belonging or relating to the neck. 



CKII'VLS. Lat. A stag. 



CESTRA'CIOIT. Fr. fr. gr. kestraios, 

 name of a fish. A fossil genus 

 of the family of sharks, (p. 45, 

 Book viii). 



CETA'CEA. fr. gr. ketos, a whale. A 

 genus of pisciform mammals that 

 have fins in place of feet, and 

 inhabit the sea. Name of an or- 

 der of aquatic mammals. 



CETA'CEA. Plur. of ceta'cea. 



CETA'CEOUS. Relating or belonging 

 to ceta'cea. 



CETA'CEANS. Mammals of the or- 

 der of cetaceae. 



CHZTU'RA. Systematic name of the 

 Swifts. 



CHAFFY .Bearing processes, or made 

 of membranes like chaff. 



CHALAZA. Gr. A small swelling. 

 A small brown spot observed at 

 the apex of some seeds, as of the 

 orange, formed by the union of 

 certain vessels proceeding from 

 the hilum. 



CHALCE'DONY. fr. gr. kalkedon, Chal- 

 cedon, in Asia, where the finest 

 specimens were originally found. 

 A semi-transparent siliceous mi- 

 neral, apparently formed by the 

 infiltration of siliceous matters in 

 a state of solution. The chalce- 

 do'nic varieties of quartz include 

 Chalcedony, Crysoprase, Carne- 

 lian, Sard, Agate, Onyx, Cat's-eye, 

 Flint, and Hornstone. 



CHAI/CIDES. fr. gr. chalkis, a serpent 

 with a head resembling that of 

 lizards. Generic name of a kind 

 of saurian. 



CHALK. fr. ger. kalk. Earthy car- 

 bonate of lime. Chalk was dis- 

 covered for the first time in the 

 United States, it is said, in Ala- 

 bama, 1845. 



CHALK MARL. Marl belonging to 

 the cretaceous formation. 



CHALYBEATE WATERS. Ferruginous 

 waters. Mineral waters whos? 

 predominating or active principle 

 is iron. 



CHA'MA (ka-ma). fr. gr. chao, I gape. 

 A cockle, (p. 151, Book viii). 



