. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. 544 INSECTA. The germ apparatus, however, of the so-called Aphirle asexual generation not only has a very gi-eat resemblance to the female generative apparatus of insects, but the structure and mode of origin of the germ seems to agree so closely with that of the ovum that the viviparous Aphides must be considered as a peculiarly organised generation of females, the genital apparatus of which has undergone some simplifications adapted to parthenogenesis. However that may be, it will be convenient in
. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. 544 INSECTA. The germ apparatus, however, of the so-called Aphirle asexual generation not only has a very gi-eat resemblance to the female generative apparatus of insects, but the structure and mode of origin of the germ seems to agree so closely with that of the ovum that the viviparous Aphides must be considered as a peculiarly organised generation of females, the genital apparatus of which has undergone some simplifications adapted to parthenogenesis. However that may be, it will be convenient in this case to call the ovary the j>smdovary, and the ova which originate in it and are incapable of fertilization, the pseudova. From this point of view the reproduction of some. 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; Metcalf Collection (North Carolina State University). NCRS. London, Swan Sonnenschein
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanimals, bookyear1892
