. Earthworms and their allies. Earthworms. 12 EARTHWORMS AND THEIR ALLIES [ch. xiiith segment opposite to each, and, perforating the septum, opens on to the exterior on the xivth segment. A similar but larger and more folded pair of trumpet- shaped funnels opens in the same way opposite to each spermary. But in this case the two tubes of the. •0 Fig. 7. A spermatheca of Notiodrilus tamajusi. The external orifice is shown at o; above this are the diverticula, s is a portion of an intersegmental septum. (After Eisen.) sperm ducts run backwards for some way and those of each side after joining op
. Earthworms and their allies. Earthworms. 12 EARTHWORMS AND THEIR ALLIES [ch. xiiith segment opposite to each, and, perforating the septum, opens on to the exterior on the xivth segment. A similar but larger and more folded pair of trumpet- shaped funnels opens in the same way opposite to each spermary. But in this case the two tubes of the. •0 Fig. 7. A spermatheca of Notiodrilus tamajusi. The external orifice is shown at o; above this are the diverticula, s is a portion of an intersegmental septum. (After Eisen.) sperm ducts run backwards for some way and those of each side after joining open on to the xviiith segment by the pores already mentioned. On the xviith and xixth segments open two glands which are long and tubular in form and much coiled. These are the spermiducal glands and each opens in common. 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 Beddard, Frank Evers, 1858-1925. Cambridge University Press
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishercambr, bookyear1912
