. Annual report. 1st-12th, 1867-1878. Geology. 352 GEOLOGICAL SURVEY OF THE TERRITORIES. its fellow of the opposite side when in repose). The two frontal ap- pendages (PI. XIII, figs. 4, 5) very long, coiled, and twisted, with the appearance of being jointed, and gradually diminishing to a long, curved point, which is minutely spinulated, the spinules short, stout at base, and acute at tip; variously and finely lobed with about seven finger-like spinulated processes, best marked in old males (Fig. 22); near ^_^ ^_^^ the middle a group of four /"^Xl iUy/^| orfivesetse. These organs, f X J
. Annual report. 1st-12th, 1867-1878. Geology. 352 GEOLOGICAL SURVEY OF THE TERRITORIES. its fellow of the opposite side when in repose). The two frontal ap- pendages (PI. XIII, figs. 4, 5) very long, coiled, and twisted, with the appearance of being jointed, and gradually diminishing to a long, curved point, which is minutely spinulated, the spinules short, stout at base, and acute at tip; variously and finely lobed with about seven finger-like spinulated processes, best marked in old males (Fig. 22); near ^_^ ^_^^ the middle a group of four /"^Xl iUy/^| orfivesetse. These organs, f X J eye when stretched out, are V^^ES^: 5^^/ about three times as long as the male claspers. As a rule the 6th endites of all the feet are narrow and obtuse at the end, much as in Branchipus, the gill vary- ing much in size. The head of the female is sim- ple, without any frontal ap- pendages; the ovisac is short and small, contain- ing about a dozen very large eggs, showing that the number of individuals ; male. Front view of head jn ^llis Species is far leSS of male, much enlarged, the Jrontal appendages somewhat re- , . .* , . „ traeted; at', hist antenna: at", second antenna or male clasper, than 111 the Other SpeCieS 01 with the spur and filiform 2d joint; fa, frontal appendage. Giss- -Hip, family CXCeDt Dei'llU 1)S. Artemia. of 2d antennae, 3mm; of frontal of genital organs, 2mm; caudal Total length of body of male, 15" appendages when outstretched, 5-6 appendages, 2-2, 3mm. Total length of female, 16mm; of ovisac, 2mm. I have received the S and 9 from Mr. Ryder, the types of his descrip- tion, and also a number of both sexes, the females with eggs, from Wood- bury, X. J., near Philadelphia, collected in company with Branchipus vernalis, March 27, by Mr. William P. Seal; also from Glendale, Long Island, from Dr. C. F. Gissler, who kindly sent me a drawing of the head of an old male, although the sketches of the head of the male by Mr. Ry
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Keywords: ., bookcentury1800, bookdecade1860, bookpublishe, booksubjectgeology
