. Earthworms and their allies . 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

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Keywords: ., bookauthorbeddardf, bookcentury1900, bookdecade1910, bookyear1912