. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Fig. 1. Semidiagrammatic representation of the tentacular clubs ofSthenoteuthis oualaniensis. mature male, mantle length 126 sta. 420, 10°24N 126°40E. C,, C:—first and second rowsof carpus, d—dorsal, D,—first row of dactylus, k—knob of fixingapparatus, M,, M;—first and second rows of manus. OS—odd(unpaired) suckers of carpus, ss—smooth ringed suckers of fixingapparatus, v—ventral. TENTACULAR CLUB STRUCTURE. OMMASTREPHIDAE 255. Fig. 2. Semidiagrammatic representation of the tentacular clubs of Ommastrephes
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Fig. 1. Semidiagrammatic representation of the tentacular clubs ofSthenoteuthis oualaniensis. mature male, mantle length 126 sta. 420, 10°24N 126°40E. C,, C:—first and second rowsof carpus, d—dorsal, D,—first row of dactylus, k—knob of fixingapparatus, M,, M;—first and second rows of manus. OS—odd(unpaired) suckers of carpus, ss—smooth ringed suckers of fixingapparatus, v—ventral. TENTACULAR CLUB STRUCTURE. OMMASTREPHIDAE 255. Fig. 2. Semidiagrammatic representation of the tentacular clubs of Ommastrephes bartramii, SAM-S241, immature male, mantle length 182 mm, Meiring Naude sta. SM 171J, 33°20,0S 28°12,7E. Abbreviations as for Figure 1. 256 ANNALS OF THE SOUTH AFRICAN MUSEUM In S. oualaniensis (Fig. 1), for example, most of the club is taken up by themanus where the median suckers are much larger than the lateral ones, thoughthe median suckers gradually reduce in size distally and proximally. On thedactylus, on the other hand, the sucker size reduces gradually from proximal todistal (except at the extreme tip where the suckers are subequal in size) andalso from ventral to dorsal, the ventrolateral, ventromedial, dorsomedial,and dorsolateral suckers of one transverse row is each a little smaller than thelast. As pointed out by Pfeffer (1912: 374) there is often a distinct difference insize between the median suckers of the manus and those of the dactylus, but inmany cases this size difference is not
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectnaturalhistory
