. Bulletin - United States National Museum. Science. A REVIEW OF THE MYSIDACEA 73 center and a single pair of long lateral spines; the exopod of the uropods longer than the endopods with more than half of the margin of the proximal joint furnished with spines; spines along the distal third of the lateral margins of the telson irregular, with smaller spines in series between the larger spines; both rami of both the third and fourth pairs of pleopods of the male with modified distal setae;. Figure 18.—Siriella rooscvelti Tattersall: a, Antennal scale and peduncle, X 45; b, third thoracic limb, X
. Bulletin - United States National Museum. Science. A REVIEW OF THE MYSIDACEA 73 center and a single pair of long lateral spines; the exopod of the uropods longer than the endopods with more than half of the margin of the proximal joint furnished with spines; spines along the distal third of the lateral margins of the telson irregular, with smaller spines in series between the larger spines; both rami of both the third and fourth pairs of pleopods of the male with modified distal setae;. Figure 18.—Siriella rooscvelti Tattersall: a, Antennal scale and peduncle, X 45; b, third thoracic limb, X 45; c, telson, X 83; d, uropods, X 45; t, copulatory appendage of the eighth thoracic limb of male, X 80. pseudobranchial rami on the second to the fourth pleopods of the male spirally twisted; distal joint of the outer uropod less than twice as long as broad; antennal scale without spines on the outer margin. Carapace similar in both sexes, only slightly produced into a short triangular rostral plate with a pointed apex, which extends scarcely. 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
