. Studies on marine ostracods : pt. 1, Cypridinids, halocyprids and polycopids. ut as long as the total length of the five distal joints; like the others, it is furnished witlilong natatory hairs situated rather close together. The third to tlie iiintli jt)ints havepowerful, long and conical basal spines, perhaps even a little longer relatively thanthose in (. (V.) tiorvegica; they decrease in strength and length the more proximallv they aresituated, the one on the third joint being of rather moderate proportions. .\t the base of theliristh on the stcond joint there are no spines at al


. Studies on marine ostracods : pt. 1, Cypridinids, halocyprids and polycopids. ut as long as the total length of the five distal joints; like the others, it is furnished witlilong natatory hairs situated rather close together. The third to tlie iiintli jt)ints havepowerful, long and conical basal spines, perhaps even a little longer relatively thanthose in (. (V.) tiorvegica; they decrease in strength and length the more proximallv they aresituated, the one on the third joint being of rather moderate proportions. .\t the base of theliristh on the stcond joint there are no spines at all. K n d o p o d i t e: This is verv short, two-jointcd oi- with a very faint indication of being three-jointed. The first joint has a grou)) offour bristles pioximally. one of which is rather h)ng, consideraiily longer tlian the wliole endo-])odite. the three otliers nnt half as long as this bristle; thev are bare or almost so. In additionthere is presumal)ly to be found a single bristle situated moi-e distalh on this joint, attaining Sluilirs oil riK>riiii Oslraiods 271. Fif,- XLIV. — . fViiifiuln) iiicf-(ilij/,s O. O. Sahs.— 1. Hiijlil vjilvc, scon from lln side, $; X. 2. Shell, seen frombelow. ?: 19 X. -i. Aiileiioi ]iait ol the left valve, seen fmni inside. ?: fi x. ••. Firt valve, seen from the side. (J: 2i X. ?>. Mandible, seen froni inside. J: IlT X. 272 TAGE SKOGSBERG about the same length as the longest j^iroximal one; this bristle was, however, quite lacking inthe specimen investigated; its probable existence is indicated partly by the presence of a similarbristle in the male of this species as well as in closely related forms, and also by the fact thaton the endopodite on both sides of the female investigated there was, at the place where thisbristle should have been situated, a circular opening in the chitin, such as arises when a bristlehas been torn off. Mandible: —Pro to pod it e: The endite cm the coxale is of about the same type asthat of


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectostraco, bookyear1920