. Bulletin - United States National Museum. Science. 574 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. transversal sutures detinino; the segments. Metasome rather short and but slightly projecting, being conically tapered; its tirst segment much larger than the others. Oral area placed wholly in front, com- paratively broad, semicircular. AntennuUe very short, 3-articulate; antenme much more slender and extended lateral!}', being composed of 8 or 9 articulations successively diminishing in size distally. First. Fig. 638.—Da,uis mysidis (After ). a, Ventkai, view of female (adui,t). b, Oral
. Bulletin - United States National Museum. Science. 574 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. transversal sutures detinino; the segments. Metasome rather short and but slightly projecting, being conically tapered; its tirst segment much larger than the others. Oral area placed wholly in front, com- paratively broad, semicircular. AntennuUe very short, 3-articulate; antenme much more slender and extended lateral!}', being composed of 8 or 9 articulations successively diminishing in size distally. First. Fig. 638.—Da,uis mysidis (After ). a, Ventkai, view of female (adui,t). b, Oral area. €, Dorsal view of adult female. <t, Right part of post-oral area wiTft corresponding five LE(iS AND INCUBATORY PLATES, g, LEG OF MALE. /, MaXILLIPED. g, MaLE (DORSAL VIEW), h, Lateral view of male. /, Head of male (ventral side). J, Specimen of Mysis mixta infested WITH parasite, k. Uropoda of male. /, Uropoda of female. Ill, YorxG female (ventral view). ?i, Young female (dorsal and ventral views), o, Young female (lateral view). pair of incubatory plates larger than the next succeeding ones and divided ))y a ti'ansversal fold into two segments; last pair, extending ])ehind the oral area, rather broadly overlapping each other in the middle. Body of young female narrower. sul)clavate, with the meso- some more distinctly segmented and the metasome more produced;. 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
