. Earthworms and their allies . , 5. A longitudinal section through the middle of the first nineteen segments of the body of Notiodrilus vasliti (a species very closely allied to that described in the text), the seg- ments are numbered i, n, &c. dorsal blood vessel, G gizzard, H hearts, ce oeso- phagus lying in front of gizzard behind which another tract of still narrow oeso- phagus is seen opening into Int. intestine. The whole alimentary canal is supported by the intersegmental septa () between which is the system of spaces forming the coelom, pore of oviduct, Splh. orifi
. Earthworms and their allies . , 5. A longitudinal section through the middle of the first nineteen segments of the body of Notiodrilus vasliti (a species very closely allied to that described in the text), the seg- ments are numbered i, n, &c. dorsal blood vessel, G gizzard, H hearts, ce oeso- phagus lying in front of gizzard behind which another tract of still narrow oeso- phagus is seen opening into Int. intestine. The whole alimentary canal is supported by the intersegmental septa () between which is the system of spaces forming the coelom, pore of oviduct, Splh. orifices of spermathecae, <? orifice of sperm duct, o ovary, t spermaries. (After Eisen.)
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Keywords: ., bookauthorbeddardf, bookcentury1900, bookdecade1910, bookyear1912
