. Bulletin - United States National Museum. Science. »• 142 BULLETIN 140, UNITED STATES NATIONAL MUSEUM Morphology.—Porrocaecum, (p. 135) : Body white. Head (fi 207) 230 to 300/x wide, with 3 large convex lips each carrying a pa- pilla in the middle of the convexity. Esophagus mm. long, followed by a ventriculus from the side of which there arises a short cecum joining with the intestine. Lateral membranes present throughout whole body length, wide near the head and narrow the remainder of the length. Cuticle with very pronounced cross-stria- tions. Male 18 to 53 mm. long. Tail slender, co
. Bulletin - United States National Museum. Science. »• 142 BULLETIN 140, UNITED STATES NATIONAL MUSEUM Morphology.—Porrocaecum, (p. 135) : Body white. Head (fi 207) 230 to 300/x wide, with 3 large convex lips each carrying a pa- pilla in the middle of the convexity. Esophagus mm. long, followed by a ventriculus from the side of which there arises a short cecum joining with the intestine. Lateral membranes present throughout whole body length, wide near the head and narrow the remainder of the length. Cuticle with very pronounced cross-stria- tions. Male 18 to 53 mm. long. Tail slender, conical. Two spicules, wide, slightly curved. Female 40 to 63 mm. long by 900 to mm. wide. Tail straight, slender; anus 800//, from the posterior end. Vulva situated at 2/5 of the length of the body from the head end (22 mm. from cephalic Z06. 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
