48 



A GLOSSARY OF TERMS 



leaves of the orange, and of all 

 myrtaceous plants. A crypt. 



CRYPTOBRANCHIA'TA. fr. gr. krup- 

 tos, concealed ; bragchia, gills. 

 Molluscous and articulate ani- 

 mals which have no conspicuous 

 gills. 



CRYPTOCEPHA'LOUS. fr. gr. kruptos, 

 concealed ; kephale, head. Ap- 

 plied to insects in which the head 

 is concealed by the corselet. 



CRYPTOCE'ROUS. fr. gr. kruptos, con- 

 cealed ; keras, horn. Applied to 

 insects in which the antennas lie 

 hid in a groove. 



CRYPTOGA'MIA. fr. gr. kruptos, con- 

 cealed; gamos, marriage. Name 

 of a class of plants. 



CRYPTO'GAMOUS Belonging or re- 

 lating to cryptoga'mia. 



CRYPTO NEU'RA. fr. gr. kruptos, con- 

 cealed ; neuron, a nerve. A term 

 applied by Rudolphi to those ra- 

 diate animals in which no ner- 

 vous filaments or masses have 

 been discovered. They corre- 

 spond with the Jlcrita of Macleay, 

 and the Protozoa, and Oozoa of 

 other writers. 



CRYPTO'NYX. fr. gr. kruptos, con- 

 cealed ; onux, a nail. A genus of 

 birds; also, a genus of insects. 



CRY'STAL. fr. gr. krust alias, ice. 

 This term was originally applied 

 to those beautiful transparent va- 

 rieties of si'lica, or quartz, known 



under the name of rock-crystal. 

 When substances pass from the 

 fluid to the solid s-tate, they fre- 

 quently assume those regular 

 forms which are generally termed 

 crystals. A crystal is any inor- 

 ganic solid of homogeneous struc- 

 ture, bounded by natural planes 

 and right lines symmetrically ar- 

 ranged. 



CRY'STALLIITE. Relating to, or re- 

 sembling crystals. 



CRY'STALLINE LENS. A thick com- 

 pact humour, in form of a flattish 

 convex lens, situated in the mid- 

 dle of the eye. 



CRYSTALLISA'TIOTT. The process of 

 forming crystals. 



CRYSTALLO'ORAPHY. fr. gr. krustal- 

 los, a crystal ; graplio, to describe. 

 The science which treats of the 

 origin, structure, form and rela- 

 tions of crystals. 



CTENOIDEANS. fr. gr. kteis, ktenos, a 

 comb. An order of fishes, (p. 

 48, Book viii). * 



CTE'NOBRANCHIA'TA. fr. gr. kteis, a 

 comb; bragchia, gills. An order 

 of gasteropods which breathe by 

 means of pectinated gills. 



CU'BITAL. Relating to the cubitus. 



CU'BITUS. Lat. One of the bones 

 of the fore-arm, which is also 

 called ulna. 



CU'CULUS. Lat. Cufkoo. 



CU'CULATE. Hooded; having the 

 apex and sides curved inward. 



CUCULLA'TUS. Lat. Hooded, cow led. 



CUCU'MIS. Lat. A cucumber. 



CUCURBITA'CEK. fr. lat. cucurbita, 

 a gourd. Name of a family of 

 plants. 



CUCURBITA'CEOUS. Like gourds or 

 melons. 



CU'LEX. Lat. A gnat. A genus of 

 insects of the family of diptera, 

 and type of the tribe of culicides : 

 culex pipiens, the common gnat. 



CUL-DE-SAC. Fr. A blind alley; 

 literally, a bag bottom. 



CULM. fr. lat. culmus, a stem. The 

 stems of the grasses. 



CULMI'FEROUS Producing culms. 



CUL'TRATE. fr. lat. culter, a knife. 

 Sharp and cutting on the edges. 



CULTRI RO'STRES. fr. lat. culter, cultri, 

 a knife; rostrum, beak. Syste- 

 matic name of a family of gral- 

 latoriae, characterised by a J>eak 

 with sharp edges. Knife-bills. 



CUMBRIAN GROUP. A group of rocks 

 constituting the lower series of 

 the Clay-slate system. 



CU'MULT. Lat. plur. of cumulus. 



CU'MULOSTRA'TUS. Twain cloud: 

 it partakes of the appearance of 

 the cumulus and stratus. 



CU'MULUS. A form of cloud. A 



