GLOSSARY. 353 
CuyLiric (Gr. chulos, juice; Lat. facto, I make). Applied to one of 
the stomachs, when more than one is present. : 
CHYME (Gr. chumos, juice). The acid pasty liquid produced by the action 
of the gastric juice upon the food. 
Cinta (Lat. ciliwm, an eyelash). Microscopic, hair-like filaments, which 
have the power of lashing backwards and forwards, thus creating cur- 
rents in the surrounding fluid, or subserving locomotion in the animal 
which possesses them. 
Crrrul (Lat. cirrus, a curl). Tendril-like appendages, such as the feet 
of Barnacles, and Acorn-shells (Cirripedia), the lateral processes on the 
arms of Brachiopods, &c. 
CIRRIPEDIA (Lat. cirrus, a curl; pes, afoot). A division of the Crus- 
tacea with curled jointed feet. 
CLADOCERA (Gr. klados, a branch; keras, a horn). An order of Crustacea 
with branched antenne, 
CLAVICLE (Lat. clavicula, a little key). The collar-bone, of the pectoral 
or scapular arch. 
Cioaca (Lat. a sink). The common cavity into which open the intestinal 
canal and the ducts of the generative and urinary organs in many In- 
vertebrates, and some Vertebrates. 
Cnip& (Gr. knide, a nettle). The urticating cells (‘‘ thread-cells”) whereby 
many of the Celenterata obtain their power of stinging. 
Cocoon (Fr. cocon, the cocoon of the silk-worm), The outer covering of 
silky hairs with which the pupa or chrysalis of many insects is protected. 
C@&LENTERATA (Gr. kotlos, hollow ; enteron, the bowel), The sub-kingdom 
which includes the Hydrozoa and Actinozoa, the most typical members 
of Cuvier’s division of the Radiata. 
Ca@yosarc (Gr. koinos, common; sara, flesh). The common organised 
medium or stem by which the separate Zodids of a compound Hydi'o- 
zoon or Actinozoén are united together. 
CoLEOPTERA (Gr. koleos, a sheath ; pteron, a wing). The order of Insects 
(Beetles) in which the anterior wings are hardened, and form pro- 
tective sheaths for the posterior membranous wings. 
COLUMBACEL (Lat. columba, a dove). The subdivision of the Rasorial 
birds containing the Doves and Pigeons. 
CONDYLE (Gr. kondulos, a knuckle). The surface by which one bone is 
jointed or articulated to another. Applied especially to the articular 
surfaces by which the head is jointed to the vertebral column. 
CONIROSTRES (Lat. conus, a cone; rostrwm,abeak). The division of perch- 
ing birds with conical beaks. 
CopPrPona (Gr. kope, an oar; poda, feet). An order of Crustacea. 
CoRAcoID (Gr. korax, a crow; eidos, form). One of the bones which 
form the scapular arch in Birds, Reptiles, and Monotremata. In the 
majority of Mammalia it is a mere process of the scapula, and in man, 
its shape is something like that of the beak of a crow. Hence its name. 
CoRALLUM, (Lat. for red coral). The hard structures deposited in or by 
the tissues of any Actinozodn—commonly called a ‘* coral.” ; 
CoRALLITE. The entire coral of a simple Actinozodn, or the portion of a 
compound coral which belongs to and is secreted by a single polype. 
CORPUS CALLOSUM (Lat. the “‘firm body”). The great band of nervous 
matter which unites the two hemispheres of the brain in the Mammalia. 
CORPUSCULATED (Lat. corpusculwm, a little body or particle). Applied 
to fluids which, like the blood, contain floating solid particles or ‘** cor- 
puscles.” 
CortIcAL LAYER (Lat. cortex, bark). The layer of consistent sarcode, 
which encloses the central ‘‘ abdominal cavity ” in the Jnfusoria and 
is covered by the ‘‘ cuticle.” 
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