. Studies on marine ostracods : pt. 1, Cypridinids, halocyprids and polycopids. rked protuberances except the little spineon the ventral corner of the rostrum and a very slight ridge behind the rostral incisur, runningout on the little protuberance, which, as has been mentioned above, marks off the rostral incisurfrom the ventral margin of the shell. It has only some scattered and moderately long bristles;these bristles are characterized by coming to a fine point from a rather broad basal part — theyare of about the same type as the long bristle in fig. 4 of Ph. (Ph.) glubosa. The pores of the


. Studies on marine ostracods : pt. 1, Cypridinids, halocyprids and polycopids. rked protuberances except the little spineon the ventral corner of the rostrum and a very slight ridge behind the rostral incisur, runningout on the little protuberance, which, as has been mentioned above, marks off the rostral incisurfrom the ventral margin of the shell. It has only some scattered and moderately long bristles;these bristles are characterized by coming to a fine point from a rather broad basal part — theyare of about the same type as the long bristle in fig. 4 of Ph. (Ph.) glubosa. The pores of thesurface are of moderate size, rather numerous and often very difficult to observe with from inside (figs. 2 and 3): Medial bristles: The row of bristles on the rostrumconsists of a rather large number of bristles, about as in fig. 2. On the posterior portion of thelist there is a moderate number of bristles, partly arranged in small groups. On the part of theshell between this part of the list and the margin of the shell there are a few verv short Fi^. LXXI. — Ph. (Philotnedes) Lilljehorgl (G. O. Sviis). 9. —:. I,, fi firsl aiiUima. seen froin insiilo: 105 x S Tlu^ oiuljoint, ol this antenna, seen from outside: 312 X. fl. The ondopodile of the riglil second antenna (normal tvpel: 218 X10. The endopodite of the lefl seeond antenna (abnormal type); X. (All these (lrinvlit;s from a speei-nen ilelermi-ied by 0. O. Saiis.) 40fi IAOE SKOOSnERf. On this ])art there is also an elongated little ])()oket. situated about parallel to the margin of theshell; on the edge of this pocket there are often a few extremely short bristles; this pocket isoften full cf all sorts of dirt. For the selvage see figs. 4 and .5. The marginal bristles on therostral selvage are rather sliort. According to (i. O. 8AliSs statement the shell has a j)alcyellowish colour. First ant e n n a (fig. 7): — f the three bristles on the second joint the posteriorone, which is sonunv


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectostraco, bookyear1920