The Thecosomata and Gymnosomata of the Siboga-expedition . ands of Cyiiibnlia pcroni de Blainv. a, efterent duct of the gonad; b, muciparous gland; c, albumiiiiparous gland; d, reccptaculum seminis; /, vas 96. Central nervous system of Cyinbiilia peroni de Blainv., ventral view. a, anterior pedal commissure; /, pedal ganglion; v, left visceral ganglion; p. v., posterior visceral ganglion; i, nerves to the fins; 2, left pallial nerve; 3, right pallial nerve; 4 and 5, visceral nerves; ot, 97. The same, from the left. Explanation of letters the same as in the foregoing
The Thecosomata and Gymnosomata of the Siboga-expedition . ands of Cyiiibnlia pcroni de Blainv. a, efterent duct of the gonad; b, muciparous gland; c, albumiiiiparous gland; d, reccptaculum seminis; /, vas 96. Central nervous system of Cyinbiilia peroni de Blainv., ventral view. a, anterior pedal commissure; /, pedal ganglion; v, left visceral ganglion; p. v., posterior visceral ganglion; i, nerves to the fins; 2, left pallial nerve; 3, right pallial nerve; 4 and 5, visceral nerves; ot, 97. The same, from the left. Explanation of letters the same as in the foregoing figure. Besides, c, cerebral ganglion ; 6, tentacular nerve, 7 and 8, nerves to the 98. The same, oral view. Explanation of letters the same as in figs. 96 and 97. Besides, 9 and 10, pedal nerves, perhaps supplying the retractor muscle of the proboscis. Nerves to the fins are not 99. Distribution of the nerves in the fins of Cyinbiilia peroni de Blainv. Sibnga-Expcditic. J JI. J. .1. Te«(;ii, Thocosomata and Oymnosomata. ///.. J. J. Tesch. ilel. P. J. Mulder, Impr. PLATE IV Fig. lOO. Cymbitliopsis intermedia n. sp., oral view. 2 X. Fig. lOi. Empty shell of the same species, oral (anterior) view. 2 •??. Fig. I02. Same shell, (aboral) posterior view. 2 X. Fig. 103. Another empty shell, most probably belonging to the same species. Anterior view. 2 X. Fig. 104. Same shell, posterior view. 2 . Fig. 105. A specimen of Cymbiiliopsis without shell, anterior view. 2 x. Fig. 106—108. Larval Cymbulidae, perhaps belonging to different species. In fig. 106 the penis is evaginated. Fig. 109. Gleba cordata Forskal from Naples. Anterior view. 2 X. Fig. 110. Large shell of the same, posterior view. 2 ? . Fig. III. Pallial gland of Cymbitliopsis intermedia n. sp., from the outside, a, b, c, three transverse, transparent 112. Pallial gland of Gleba cordata Forskal, from the outside, a, b, c, have the same meaning as in fig. 113. Digestive tract
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Keywords: ., bookcentury1900, bookdecade1900, bookidthecosomatag, bookyear1904
