Cebus vellerosus, hair on the head of.
Cecidomyiidae, proportions of the sexes in.
Celibacy, unknown among the savages of South Africa and South America.
Centipedes.
Cephalopoda, absence of secondary sexual characters in.
Cephalopterus ornatus.
Cephalopterus penduliger.
Cerambyx heros, stridulant organ of.
Ceratodus, paddle of.
Ceratophora aspera, nasal appendages of.
Ceratophora Stoddartii, nasal horn of.
Cerceris, habits of.
Cercocebus aethiops, whiskers, etc., of.
Cercopithecus, young, seized by an eagle and rescued by the troop;
definition of species of.
Cercopithecus cephus, sexual difference of colour in.
Cercopithecus cynosurus and griseo-viridis, colour of the scrotum in.
Cercopithecus Diana, sexual differences of colour in.
Cercopithecus griseo-viridis.
Cercopithecus petaurista, whiskers, etc., of.
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