Discovery reports (1936) Discovery reports discoveryreports12inst Year: 1936 296 DISCOVERY REPORTS they agree completely with A. aciitus, and as I find specimens of 3 mm. diameter of disk with the mouth papillae typically developed as in the aduhs, but still with only three arm spines, I cannot have any doubt but that these young specimens are actually the young Amp/iioplus acutiis; the spiniform outer mouth papilla is thus the first to develop, and the species is passing through an Amphiiira stage. It may be added that I have ascertained that gonads have not yet appeared in these young spec
Discovery reports (1936) Discovery reports discoveryreports12inst Year: 1936 296 DISCOVERY REPORTS they agree completely with A. aciitus, and as I find specimens of 3 mm. diameter of disk with the mouth papillae typically developed as in the aduhs, but still with only three arm spines, I cannot have any doubt but that these young specimens are actually the young Amp/iioplus acutiis; the spiniform outer mouth papilla is thus the first to develop, and the species is passing through an Amphiiira stage. It may be added that I have ascertained that gonads have not yet appeared in these young specimens. Amphioplus aciculatus, St. 279. 10. viii. 27. Off Cape Lopez, French Congo, 58-67 m. 2 specimens. Diameter of disk 2 mm.; arms apparently about four to five times the diameter of disk. Scales of the dorsal side of disk coarse, with their free edge slightly raised. There is a very conspicuous but somewhat irregular rosette of primary plates. The radial shields
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