MAMMARY • E-FREE TRANSLATION.COM • Definition of Mammary

... hind legs to obtain emissions.[180] Blumenbach observed a bear act somewhat similarly on seeing other bears coupling, and hyenas, according to Ploss and Bartels, have been seen practicing mutual masturbation by licking each other's genitals. Mammary masturbation, remarks Fere, is found in certain female and even male animals, like the dog and the cat.[181] Apes are much given to masturbation, even in freedom, according to the evidence of good observers; for while no female apes are celibates, many of the males are obliged to lead ...

— Studies in the Psychology of Sex, Volume 1 (of 6) • Havelock Ellis

... must be useful at once.—Difficulties as to the giraffe; as to mimicry; as to the heads of flat-fishes; as to the origin and constancy of the vertebrate, limbs; as to whalebone; as to the young kangaroo; as to sea-urchins; as to certain processes of {viii} metamorphosis; as to the mammary gland; as to certain ape characters; as to the rattlesnake and cobra; as to the process of formation of the eye and ear; as to the fully developed condition of the eye and ear; as to the voice; as to ...

— On the Genesis of Species • St. George Mivart