CROSSING. -a cause of uniformity. -occurs in all organised beings. -some characters not blended by. -modifications and new races produced by. -causes which check. -domestication and cultivation favourable to. -beneficial effects of. -necessary in some plants. -summary of subject of. -of dogs with wolves in North America. -with Canis cancrivorus in Guiana. -of dog with wolf, described by Pliny and others. -characters furnished by, brought out by reversion in the progeny. -a direct cause of reversion. -a cause of variability.
CRUSTACEA, macrourous, differences in the development of the.
CRUSTACEAN with an antenna-like development of the eye-peduncle.
CRYPTOGAMIC plants, bud-variation in.
CUBA, wild dogs of.
"CUCKOO," sub-breeds of fowls.
CUCUMBER, variation in number of carpels of. -supposed crossing of varieties of the.
Cucumis momordica.
Cucumis sativa.
Cucurbita, dwarf, correlation of leaves in.