Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass . E. N. FISCHEH, DEL. MELIOTYPE CO. PLATE 63. PLATE 63. Pelvis of PLATOSOMIA. FigFigFigFigFigFig Upper and lower surface. Uraptera agassizii. M. C. Z. 549 (Page 367).Narc^-Cion californicus. M. C. Z. 43 (Page 311).Urobatis .sloani. M. C. Z. (Page 402).Taenidra lymma. M. C. Z. 23 (Page 399). marinds. M. C. Z. 641 (Page 382).Pteroplatea altavela. M. C. Z. 386 (Page 415). The pelvis of the Raiidae, fig. 1, with tlie lateral prepelvic processes, recalls that of Cyclobatis,a fossil genus. The pelvis of N
Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass . E. N. FISCHEH, DEL. MELIOTYPE CO. PLATE 63. PLATE 63. Pelvis of PLATOSOMIA. FigFigFigFigFigFig Upper and lower surface. Uraptera agassizii. M. C. Z. 549 (Page 367).Narc^-Cion californicus. M. C. Z. 43 (Page 311).Urobatis .sloani. M. C. Z. (Page 402).Taenidra lymma. M. C. Z. 23 (Page 399). marinds. M. C. Z. 641 (Page 382).Pteroplatea altavela. M. C. Z. 386 (Page 415). The pelvis of the Raiidae, fig. 1, with tlie lateral prepelvic processes, recalls that of Cyclobatis,a fossil genus. The pelvis of Narcacion, fig. 2, is raioid, but is more arched backward in the 3-6 represent the Dasybatidae, in which family the organ is more like that of the Antacea, whichhave neither lateral nor median processes in front of the pelvis. Mem. Mus. Comp. Zool., Vol. 36. Plagiostomes. Plate
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1913
