. Studies on marine ostracods : pt. 1, Cypridinids, halocyprids and polycopids. ather strong spines. The longest natatory bristles are somewhatlonger than the exopodite; the proportion between these two lengths is about 85 : 70. Thenatatory bristles have broad natatory hairs. The end joint has only three bristles, of whichthe two ventral ones are long, powerful natatory bristles, developed to the same extent as thoseon the preceding joints, the dorsal one is only about as long as the total length of the four distaljoints and has short, fine hairs. The third to the ninth joints have narrow and
. Studies on marine ostracods : pt. 1, Cypridinids, halocyprids and polycopids. ather strong spines. The longest natatory bristles are somewhatlonger than the exopodite; the proportion between these two lengths is about 85 : 70. Thenatatory bristles have broad natatory hairs. The end joint has only three bristles, of whichthe two ventral ones are long, powerful natatory bristles, developed to the same extent as thoseon the preceding joints, the dorsal one is only about as long as the total length of the four distaljoints and has short, fine hairs. The third to the ninth joints have narrow and relatively shortbasal spines, which decrease in strength the more proximally they are situated, the one on thethird joint being almost completely reduced. The e n d o p o d i t e (fig. 6) is unjointed and * In this species I luive observed, as G. W. Mui-ler previously did Tor other species (cf. G. W. Mulleu, 1906 b,Ifi), that in a state of rest these bristles are bent posteriorly upwards along the dorsal side of the boily inside the shell. studies on iiiariiii; Oslrauods 321. **% Fig. LVIII. — C. (Cypridina) scrrala (G. \V. Muller) var. nf/irmnm- n. vac, J. — 0. Eiulopodile and tlif distal jjarl ol the prolopodite of the second antenna; 325 X- . Distal pari of the exopodilc of the left second antenna, seen from outside; 292 X. 8. Riftht mandible, seen from inside; 250 X. 9. Endile on the coxale of the ri^iit mandible, seen from inside: 708 X. 10. Distal part of the rii;hl mandible, seen from inside; strongly compressed; 525 X. Zouloy. bidrag, Uppsala. 1. 322 TAGE SKOGSBERU has six bristles; of these the one situated farthest back, which is very like and obviously corre-sponds to the long distal (sensory?) bristle on the end joint of the endopodite in other forms,is moderately long, being about as long as the total length of the three distal joints of the exopo-dite; it is somewhat shorter than the nearest of the remaining bristles, which, like the others,is of th
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectostraco, bookyear1920
