36 GLOSSARY. 



Cy'cloid (Gr. kuklcs, a circle; eidos, shape). A term applied 



to those fish -scales which are circular in form. 

 Cyclo'sis (Gr. kuklosis, a moving round). The circulation of 



fluids in the cells of plants. 

 Cyclosto'mata (Gr. kuklos, a circle; stoma, stomatos, an 



opening, mouth). A group of the Branchiogasteropoda. 

 Cynoi'dea (Gr. kuon, kunos, a dog). A group of the Carnivora 



which comprises the dogs, wolves, jackals, and foxes. 

 Cynomor'pha (Gr. kuon, kunos, a dog; morphe, form). The 



dog-like group of apes. 



Cyprinoi'dei(L. cyprinus, a carp). A group of Teleostean fishes. 

 Cypselomor'phse (Gr. cypselus, the generic name of the swifts ; 



morphe, form). A subdivision of Carinate birds which 



comprises the swifts. 



Cyst (Gr. ktistis, a bladder). A bladder-like sac. 

 Cys'tic (Gr. kustis, a bladder). Belonging to a bladder, as the 



cystic duct which leads to the gall-bladder; also having 



bladders or cysts, as a cystic tumour. 

 Cys'tid (Gr. kustis, a bladder). The saccular ciliated embryo 



of the fresh-water Polyzoa. 

 Cysti'dea (Gr. kustis, a bladder). A group of extinct 



Echinoderms. 

 Cy'toblast (Gr. kutos, a hollow body; blastos, a bud, shoot). 



Another term for the nucleus of a cell. 



Cy'tode (Gr. kutos, a hollow body). A non-nucleated proto- 

 plasmic cell. 

 Cyto'genous (Gr. kutos, a hollow body; gennao, I produce). 



Cell-producing ; applied to a form of connective tissue. 



D. 



Dactylo'podite (Gr. daktulos, a finger ; pous, podos, a foot). 



The terminal joint of the ambulatory appendages in some 



Crustaceans. 



Dar'tos (Gr. deras, a skin). One of the tunics of the scrotum. 

 Dasypo'didae. (Gr. dasus, rough, hairy ; pous, podos, a foot). 



The subdivision of edentate mammals which comprises 



the armadillos. 

 Deca'poda (Gr. deka, ten ; pous, podos, a foot). The dibranchiate 



cephalopods which have ten arms. 

 Deci'dua reflexa (L. deeiduus, falling ; reflectere, to bend back). 



That portion of the internal growth (decidua) of the 



pregnant uterus discharged in parturition which is reflected . 



over the ovum. 



