. Bulletin. Science. 50 BULLETIN 69, UNITED STATES NATIONAL MUSEUM. and cirrus pouch pass on the dorsal side of the nerve aiid excretory vessels. In this species the segments become gravid much earlier than in the other, as the posterior segments of a strobila 20 mm. long con- ves. -ex. at. PiQ 41. DiORCHIS AMERICANA: GeAVID SEGIIENT, TRANSVERSE SECTION. C. p., CiRRUS OUCH. d. ex., DoRAL excretory vessel. /. Nerve cord, Uterus, ves. Seminal vesicle, v. Ventral excretory vessel. tained a well-developed uterus, whereas in Diorcliis acuminata the uterus had n
. Bulletin. Science. 50 BULLETIN 69, UNITED STATES NATIONAL MUSEUM. and cirrus pouch pass on the dorsal side of the nerve aiid excretory vessels. In this species the segments become gravid much earlier than in the other, as the posterior segments of a strobila 20 mm. long con- ves. -ex. at. PiQ 41. DiORCHIS AMERICANA: GeAVID SEGIIENT, TRANSVERSE SECTION. C. p., CiRRUS OUCH. d. ex., DoRAL excretory vessel. /. Nerve cord, Uterus, ves. Seminal vesicle, v. Ventral excretory vessel. tained a well-developed uterus, whereas in Diorcliis acuminata the uterus had not yet appeared in the posterior segments of a strobila 36 mm. long. 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 Smithsonian Institution; United States. Dept. of the Interior; United States National Museum. Washington, Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off
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