328 GLOSSARY. 



careous tissue -whioli unites together the various oorallites of a compound 

 coralluin. 



C<E-ir<E'oi-CM (Gr. koinos, common ; oifoe, house). The entire dermal system 

 of any Polyzoon ; employed in place of the terms polyzoary or polj^pidom. 



Ccen'o-sabo (Gr. hoinos, common ; earx, flesh). The common organized me- 

 dium by which the separate polypites of a compound Rydrozoon are con- 

 nected together. 



Col-e-op'teb-a (Gr. Tcoleos a sheath | pieron, wing). The order of Insects 

 (Beetles) in which the anterior pair of wings are hardened, and serve as 

 protective cases for the posterior pair of meinbranous wings. 



Col-u-bbi'na (Lat. coluber, a snake). A division of the Ophidia. 



Col-tim-ba'ce-i (Lat. cohmiia, a dove). The division of Basorial Birds com- 

 prising the Doves and Pigeons. 



Col-u-mel'la (Lat. dim. of eolvmna, a column). Li Conohology, the central 

 axis round which the whorls of a spiral univalve are wound. Amongst the 

 Aetinosoa, it ia the central axis or pillar which is found in the centre of the 

 theose of many corals. 



Col'umn. Applied to the cylindrical body of a Sea-anemone {Actinia) ; also 

 to the jointed stem or peduncle of the stalked Grinoids. 



CoH-Mis'sD-EAi, (Lat. committo, I solder together). Connecting together ; 

 usually applied to the nerve-fibres which unite different ganglia. 



Coh'oha (Lat. for a shell). The external ear by which sounds are collected 

 and transmitted to the internal ear. 



Con-ohif'e-ka (Lat. (;o»<!7«i, a shell ; /ero, I carry). Shell-fish. Applied in a 

 restricted sense to the bivalve Molluscs, and used as a synonym for Lamelli- 

 branchiata. 



Con'dyle (Gr. Iconduloi, a knuckle). The surface by which one bone articu- 

 lates with another. Applied especially to the articular surface or sur- 

 faces by which the skull articulates with the vertebral column. 



Con-i-kos'tkes (Lat. corms, a cone; rostrum, a beak). The division of Perch- 

 ing Birds with conical beaks. 



Co-pep' o-DA ((Jr. hope, an oar; podes, feet). An order of Crustacea. 



CoE'A-oom (6r. Jiorax, a crow; eidos, form). One of the bones which enters 

 into the composition of the pectoral arch in Birds, Eeptiles, and Mono- 

 tremes. In most Mammals it is a mere process of the scapula, having, in 

 man, some resemblance in shape to the beak of a crow. 



Cor-al-liq'en-ous. Producing a corallum. 



Coe'al-lite. The corallum secreted by an Actinozoon which consists of a 

 single polype : or the portion of a composite oorallmn which belongs to, 

 and is secreted by, an individual polype. 



Coe-al'lhm (from the Latin for red coral). The hard structures deposited in, 

 or by, the tissues of an Actinozoon — commonly called a " coral." 



Co-Ei-A cEons (Lat. corium, hide). Leathery. 



Coe'pcs Cal-lo'sdm (Lat. for the "firm body "). The great band of nervous 

 matter which unites the two hemispheres of the cerebrum in the Mammals. 



CoE-pns'on-LA-TED (Lat. corpiisoulum, a little body or particle). Applied to 

 fluids which, like the blood, contain floating solid particles or " corpuscles." 



Coe'ti-oal lat'ee. The layer of consistent sarcode, which in the Infusoria 

 encloses the chyme mass, and is sun'ounded by the cuticle. Sometimes 

 called the " parenchyma of the body." 



Co-etk'i-da. 



Cos't^ (Lat. costa, a rib). Applied amongst the Orinoidea to designate the 

 rows of plates which succeed the inferior or basal portion of the cup (pel- 

 vis). Among the Corals the " oostse" are vertical ridges which occur on the 

 outer surface of the theca, and mark the position of the septa within. 



Cos'tal (Lat. costa, a rib). Connected with the ribs. 



Cra'ni-iim (Gr. kranicm, the skull). The bony or cartilaginous case in which 

 the brain is contained. 



Ceas'pe-da (Gr. hraapedon, a margin or fringe). The long, oonvOiUted cords, 

 containing thread-cells, which are attached to the aee margina of the 

 mesenteries of a Sea-anemone. 



