. Bulletin - United States National Museum. Science. COPEPODS OF THE WOODS HOLE REGION 315 proximal elbow and a semicircular process on the first segment beyond the distal elbow as in flumifera. End segments of the first four exopods each with two outer margin spines. Total length, mm. ReTTiarks.—This species may be distinguished by the number and arrangement of the outer spines on the swimming legs and by the ovisacs in the female. Unlike the previous species, this one is littoral and comes into the harbor and may even be found in tidal pools and salt ponds. OITHONA BREVICORNIS Giesb
. Bulletin - United States National Museum. Science. COPEPODS OF THE WOODS HOLE REGION 315 proximal elbow and a semicircular process on the first segment beyond the distal elbow as in flumifera. End segments of the first four exopods each with two outer margin spines. Total length, mm. ReTTiarks.—This species may be distinguished by the number and arrangement of the outer spines on the swimming legs and by the ovisacs in the female. Unlike the previous species, this one is littoral and comes into the harbor and may even be found in tidal pools and salt ponds. OITHONA BREVICORNIS Giesbrecht Figure 190, a, h Oithona brevicornis Giesbrecht, Atti Accad. Lincei, Rome, ser. 4, vol. 7, p. 475, 1891; Fauna und Flora des Golfes von Neapel, vol. 19, p. 538; pi. 34, 1892. Occm^^ence.—Twenty-five males and females were obtained in Penzance Pond, Woods Hole, July, 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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