. Elementary text-book of zoology. Zoology. FUNCTIONS OF MALE AND FEMALE. 103 the passive agent in copulation, merely receiving the semen of the male; the female possesses material from which the offspring. p—I Pis. Male of Aphis platanoides. oc, ocelli ; Hr, honey tubes ; P, copulatory organ. develop, and accordingly takes care of the development of the fertilised egg and of the later fate of the offspring. Hence the female usually possesses a less active body and numerous arrangements for the protection and nourishment of her offspring, which develop either from eggs laid by the mother


. Elementary text-book of zoology. Zoology. FUNCTIONS OF MALE AND FEMALE. 103 the passive agent in copulation, merely receiving the semen of the male; the female possesses material from which the offspring. p—I Pis. Male of Aphis platanoides. oc, ocelli ; Hr, honey tubes ; P, copulatory organ. develop, and accordingly takes care of the development of the fertilised egg and of the later fate of the offspring. Hence the female usually possesses a less active body and numerous arrangements for the protection and nourishment of her offspring, which develop either from eggs laid by the mother and sometimes carried about with her, or in the maternal body and are born alive. The function of the male is to seek, to excite, and to hold the female during copulation ; hence, as a rule, he possesses greater vigour and power of movement, higher development of the senses, various means of exciting sexual. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Claus, Carl, 1835-1899; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. New York : Macmillan


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884