sterility of predaceous birds in captivity, ii. [154];
facility of hybridisation in confinement, ii. [160].
Cyanosis, affection of fingers in, ii. [332].
Cyclamen, bud-variation in, i. 382.
Cynara cardunculus, ii. [34].
Cynips fecundatrix, ii. [283].
Cynocephalus hamadryas, ii. [153].
Cyprinus auratus, i. 296-297.
Cyrtanthus, ii. [139].
Cyrtopodium, ii. [134].