. Studies on marine ostracods : pt. 1, Cypridinids, halocyprids and polycopids. what different lengths, scattered fairly regularly along the distalpart of the limb. The number and position of these bristles vary both from one individualto another and from the right to the left limb of the same individual. Each cleaningbristle has from three to five bells. Each end comb consists of 17—19 teeth. All theseteeth are of the same type, closely and evenly pectinated; they are strengthened distally;cf. fig. 13. F u r c a: — This has eight or nine claws; of the three specimens investigated two hadnine,


. Studies on marine ostracods : pt. 1, Cypridinids, halocyprids and polycopids. what different lengths, scattered fairly regularly along the distalpart of the limb. The number and position of these bristles vary both from one individualto another and from the right to the left limb of the same individual. Each cleaningbristle has from three to five bells. Each end comb consists of 17—19 teeth. All theseteeth are of the same type, closely and evenly pectinated; they are strengthened distally;cf. fig. 13. F u r c a: — This has eight or nine claws; of the three specimens investigated two hadnine, the third, the type-specimen, had only eight, one of its secondary claws was absent, butI could not decide if the specimen in question was defective, which is, however, not these claws the six or seven anterior ones are to be denoted as main claws. The first and secondmain claws have no ventral basal teeth. One or two of the posterior secondary claws areannulated. The lateral eyes are well developed. The m e d i a u e y e is smooth. The m a 1 e is Fig. LXXXV. — Asterope quinqucsetac n. sp., $. — 7. Right mandible seen from oulsidp: 128 X 8 The srvlhn ,)process; the rows of on the concave side are only indicated, thev extend across the process 35- X 9 Ve. Iril teeo th. P---;4,X 10. The anterior the second endopodite joint of the ?^^glumauHblJ s^n ron Ins d ^1. X. 11. beventh limb; X. 12. Cleaning bristle of this limb (distal part); 680 x. Vi. Tooth of one of the- end combs: !i80 X. 47fi TAGE SKOGSBERG Brookss law. Remark: — As will be seen below, I found, besides mature females, three female larvae as well of this species from station no. 34 of the Swedish ,,A n t a r c t i c of these larvae were 2,44—2,45 mm. long, the third was only 1,95 mm. If we assume — andthe assumption is supported by anatomical investigation — that these two classes of lengthrepresent the two oldest larval stages, we obtain, by


Size: 1434px × 1743px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjectostraco, bookyear1920