Report on the scientific results of the voyage of "Scotia" during the years 1902, 1903 and 1904, under the leadership of William SBruce . ar impressions, etc. x 1£. Fig. 12. Terebratella ilorsatu (Gmelin).—Burdwood Bank, 56 fathoms. Typical example showing shapeand surface sculpture. Natural size. Fig. 13. Terebratella dorsata (Gmelin).—Burdwood Bank, 56 fathoms. Elongate variety showingproduced beak, etc. x 1|. Fig. 14. Ilemithyris sp.—Station 417, off Coats Land, 1410 fathoms. Shell-mosaic, ventral 166 about. Figs. 15-19. Macandrevia diamantina, Call.—Station 417, off Coats Land,


Report on the scientific results of the voyage of "Scotia" during the years 1902, 1903 and 1904, under the leadership of William SBruce . ar impressions, etc. x 1£. Fig. 12. Terebratella ilorsatu (Gmelin).—Burdwood Bank, 56 fathoms. Typical example showing shapeand surface sculpture. Natural size. Fig. 13. Terebratella dorsata (Gmelin).—Burdwood Bank, 56 fathoms. Elongate variety showingproduced beak, etc. x 1|. Fig. 14. Ilemithyris sp.—Station 417, off Coats Land, 1410 fathoms. Shell-mosaic, ventral 166 about. Figs. 15-19. Macandrevia diamantina, Call.—Station 417, off Coats Land, 1410 fathoms. Fig. 15. Specimens attached to pebbles of granite rocks; slightly larger than natural size. Fig. 16. Interior views of dorsal and ventral valves, showing adult loop, etc. x 1|. Fig. 17. Platidiform stage of loop in example 4 mm. in length, x 12. Fig. 18. Pre-adult stage of loop in example 9 mm. in length, x 4J. Fig. 19. Shell-mosaic, etc., from middle of ventral valve of an adult individual. x 175. (ROY. soo. EDIN. TRANS., VOL. XLVIII., 390.) SCOT. NAT. ANT. Ex P. Vol. VI. JACKSON : SCOTIA BKACHIOPODA—PLATE


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