Report on the marine Isopoda of New England and adjacent waters . se very slender, capillary, very minutely transversely serru-late. Few (about 4) upper ventral setae, simple, long, slender, with theterminal portion sharply serrulate, the tips fine and sharp; next tothese are some slender compound setse, the terminal piece slender,straight, of moderate length, acute, with six to eight imperfect joints;the median seta? have much stouter, smooth shafts, expanded distally,and a nearly straight, short, rapidly tapering, sharply pointed, terminalpiece, of four to six joints; below these are some wi
Report on the marine Isopoda of New England and adjacent waters . se very slender, capillary, very minutely transversely serru-late. Few (about 4) upper ventral setae, simple, long, slender, with theterminal portion sharply serrulate, the tips fine and sharp; next tothese are some slender compound setse, the terminal piece slender,straight, of moderate length, acute, with six to eight imperfect joints;the median seta? have much stouter, smooth shafts, expanded distally,and a nearly straight, short, rapidly tapering, sharply pointed, terminalpiece, of four to six joints; below these are some with similar thoughsmaller shafts, and a short, stout, terminal piece, hooked at the tip, andwith a sharp ascending spine at about the distal third; others of thesame size have the terminal piece very acute, with six to eight ormore joints ; the lowest are very slender, with a longer, very fine, taper-ing, terminal piece, imperfectly divided into about four to six joints, ateach of which there is a projecting acute angle like a tooth; the last of SIDNEY I. SMITH,. Bulletin of the Museum of Comparative Zoology,AT HARVARD COLLEGE. VOL. XI. No. 4. REPORTS ON THE RESULTS OF DREDGING, UNDER THE SUPERVISION OF ALEXANDER AGASSIZ, ON THE EAST COAST OF THE UNITED STATES, DURING THE SUMMER . OF 1880, BY THE U. S. COAST SURVEY STEAMER BLAKE, COMMANDER J. R. BARTLETT, U. S. N., COMMANDING. (Published by permission of CAKLILE P. PATTERSON and J. , Supts. U. S. Coast and Geodetic Survey.) XXIII. —REPORT ON THE OSCAR HARGER. CAMBRIDGE : PRINTED FOR THE , 1883. •i—r _ .
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