36 GLOSSARY. 



Cy'cloid (Gr. kuklos, a circle; ados, 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. kiton, kunos, a dog). A group of the Carnivora 



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

 Cynomor'pha (Gr. kudn, kunos, a dog; morp/ie, form). The 



dog-like group of apes. 



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

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



morphe, form). A subdivision of Carinate birds which 



comprises the swifts. 



Cyst (Gr. kustis, 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.>fo/to,ahollowbody). Anucleated protoplasmic cell. 

 CytS'genous (Gr. kutos, a hollow body; gcnnao, I produce). 



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



DactylS'podite (Gr. daktulos, a finger ; pous, pottos, a foot). 



The terminal joint of the ambulatory appendages in some 



Crustaceans. 



Dar'tos (Gr. dcras, 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 refleza (K d?c;dnus, falling; reflectcre, to bend back). 



That portion of the internal growth (decidua) of the 



pregnant uterus discharged in parturition which is reflected 



over the ovum. 



