GLOSSARY. 327 



derms, etc.), and sometimes having a special canal -system for its conduction 



(ohylaqueous canals). 

 Chyle (Gr. chulos, juice). The milky fluid which is the result of the action 



of the various digestive fluids upon the food. 

 Chy-lif'io (Gr. chulos, juice [chyle] ; and Lat. faeio, I make). Producing 



chyle. Applied to one of the stomachs, when more than one is present. 



The word is of mongrel origin ; and " chylopoetio " is more correct. 

 Chyme (Gr. chumos, juice). The acid, pasty flnid produced by the action of 



the gastric juice upon the food. 

 Chyme-mass. The central, semi-fluid saroode in the interior of an Infusorian. 

 Cil'i-a (Lat. cilium, an eyelash). Microscopic, hair-like filaments, which 



have the power of lashing backward and forward, thus creating currents in 



the surrounding or contiguous fluid, or subserving locomotion in the animal 



which possesses them. 

 Cil-i-o-gba'da (Lat. eiUum; and gradior, I walk). Synonymous with Cteno- 



pAora, an order of Actmozoa. 

 Cm'oLi-DES (Gr. Mgklis, a lattice). Special apertures in the column-walls of 



some Sea-anemones {Actinid), whicn probably serve for the emission of 



the cord-like " craspeda." 

 Cie'ei (Lat. cirrus, a curl). Tendril-like appendages, such as the feet of 



Barnacles and Acorn-shells {Oirripedes), the lateral processes on the arms 



of Brachiopoda, etc. 

 Cie-eif'eb-ods or Cie-rig'ee-ous. Carrying cirri. 

 Cie-ei-pe'dia, Cih-bhi-pe'di-a, or Cie-ehop o-da (Lat. cirrus, a curl ; and^es, a 



foot). A sub-class of Crustacea with curled jointed feet. 

 Cib-hos'to-mi (Lat. cirrus, a tendril ; Gr. stoma, mouth). Sometimes used to 



designate the Pharyngobranchii, 

 Cla-doo'e-ea (Gr, htados, a branch ; heras, a horn). An order of Crustacea 



with branched antennae. 

 Cla'vate (Lat. clavuSj a club). Club-shaped. 

 Clav'i-olb (Lat. clavicula, a little key). The " collar-bone," forming one of 



the elements of the pectoral arch of Vertebrates. 

 Clo-a'ca (Lat. for a sink). The cavity into which the intestinal canal and 



the ducts of the generative and urinary organs open in common, in some 



Invertebrates (c. g., in Insects), and also In many Vertebrate animals. 

 Cltp'e-i-foem (Lat. clypeus, a shield ; und-forma, shape). Shield-shaped ; 



applied, for example, to the carapace of the King-crab. 

 Chi'd^ (Gr. hnide, a nettle). The urticating cells, or "thread-cells," where- 

 by many Ccelenterate animals obtain their power of stinging. 

 Coo'oo-LiTHS (Gr. hohhos, & berry; UtJifOS, Btone). Minute oval or rounded 



bodies, which are found either free or attached to the surface of cocoo- 



spheres. 

 Coo'oo-SPHERES (Gr. koTckos ; and sphaira, a sphere). Spherical masses of sar- 



code, enclosed in a delicate calcareous envelope, and bearing cooooliths 



upon their external surface. Both coccospheres and coccoliths are em- 

 bedded in a diffused plasmodium of saroode, the whole constituting a low 



RMzopodic organism. 

 Coo-oyo'e-al. Connected with the coccyx. 

 Coo'oYX (Gr. hohkux, a cuckoo). The terminal portion of the spinal column 



in man, so called from its resemblance to a cuckoo's beak. 

 Co-ooon' (French covon, the cocoon of the silk-worm ; connected with Fr. 



cogue, shell, which is derived from the Lat. concha). The outer covering 



of^silky hairs with which the pupa or chrysalis of many insects is protected^ 

 Co-do-nos'to-ma (Gr. Tcodon, a bell; stcmia, mouth). The aperture or mouth 



of the disc (nechocalyx) of a Medusa, or of the bell ^gonooalyx) of a medusi- 



form gonophore. 

 C<e-len-te-ea'ta (Gr. Jcoilos, hollow ; enteron, the bowel). The sub-kingdom 



which comprises the Hydrozoa and Aclinozoa. Proposed by Frey and 



Leuckhart in place of the old term Sadiata, which included other animals 



as well. 

 C^e-nbn'ohy-ma (Gr. hoijios, common ; egchuma, tissue). The common cal- 



