. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. the Genus Crassicauda. 413 Atkinson place the constriction at 3 mm. from tlie extremity, but this is clearly an understatement, as in some of the ' Terra Nova' females it is over 5 mm. from the tip of the tail. In the South Shetlands specimens the terminal knob measures only 1 mm. to 2-5 mm. in Nearly ventral views of the tail of the male, (A) of C. boopis, (B) of C. crassicauda, drawn to the same scale of maofnitication. The writer has failed^ as did Leiper and Atkin
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. the Genus Crassicauda. 413 Atkinson place the constriction at 3 mm. from tlie extremity, but this is clearly an understatement, as in some of the ' Terra Nova' females it is over 5 mm. from the tip of the tail. In the South Shetlands specimens the terminal knob measures only 1 mm. to 2-5 mm. in Nearly ventral views of the tail of the male, (A) of C. boopis, (B) of C. crassicauda, drawn to the same scale of maofnitication. The writer has failed^ as did Leiper and Atkinson, to discover any spicules in the ' Terra Nova' males. The remote possibility that they might have been left in the vagina of the females after copulation was thought of, but. 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 London, Taylor and Francis, Ltd
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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
