Bulletin of the Bureau of Fisheries . Avtpt I /.-a i spinipt s, female. Near W uuils Hole. segment. epg, Side plate of third AMPHIIdDA OF SOUTHKRN NKW ENGLAND. 4S1 segments, the first considerably expanded below; first and second peraeopods with dactyl slender andlonger than two preceding joints. Posterior peraeopods with basal joint widely expanded; ischium asbroad as long; merus with a posterior lobe extending to middle of carpus. Postero-lateral angle ofthird abdominal segment broadly rounded; fourth abdominal segment in both sexes with a prominentdorsal crest which increases
Bulletin of the Bureau of Fisheries . Avtpt I /.-a i spinipt s, female. Near W uuils Hole. segment. epg, Side plate of third AMPHIIdDA OF SOUTHKRN NKW ENGLAND. 4S1 segments, the first considerably expanded below; first and second peraeopods with dactyl slender andlonger than two preceding joints. Posterior peraeopods with basal joint widely expanded; ischium asbroad as long; merus with a posterior lobe extending to middle of carpus. Postero-lateral angle ofthird abdominal segment broadly rounded; fourth abdominal segment in both sexes with a prominentdorsal crest which increases in height posteriorly and carries a pair of short setae on its posterior mar-. Ampelisca compressa. Vineyard Sound. /;. Side plate of third abdominal segment. gin; terminal uropods similar in two sexes, furnished with only a few short spinules and setae; outerramus of nearly same width throughout its length; telson about two-thirds as wide as long, lol>eSrather obtuse distally, but with inner angles subacute. Length, ti i Vineyard Sound; Newport; oft Block Island; Long Island Sound. This is the most common species of Ampelisca in the regions around Woods Hole. It is appar-ently easily obtained in large quantities, as I have examined several bottles containing thousands ofspecimens of this species with scarcely any other amphipods. Ampelisca agassizi Judd. ByblU agassizi Judd, Proc. I, s. Nat. Mils., Vol. XVIII, 1895, p. 599, figs. ., lOa-f, Ua-c. Male: Head about as long as first three segments of thorax; eyes normal; first antennae scarcelyhalf length of body; the first joint of peduncle scarcely twice as long as thick, the second nearly tw ireas long as fir
Size: 2499px × 1000px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectfisheries, bookyear19
