Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass . MtLlOTVPE CO. PLATE 62. PLATE 52. Pelvis of ANTACEA and DIPNOI. Fig. 1. ScoLioDON LONGURio. M. C. Z. <594 (Page 114). Fig. 2. Hemig.^leus pector.\ C. Z. 847 (Page 150). Fig. 3. Prlstiophorus j.^ponicuis. M. C. Z. (Page 246). Fig. M. C. Z. 8964. Fig. 5-7. Cer.\todus M. C. Z. 9827. 1-5. Lower view. 6. Upper view. 7. Lateral view. The pelvis of the Antacea, fig. 1-3, is radically different from that of the Dipnoi, fig. 4-7. Thedifferences are of such characters t
Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass . MtLlOTVPE CO. PLATE 62. PLATE 52. Pelvis of ANTACEA and DIPNOI. Fig. 1. ScoLioDON LONGURio. M. C. Z. <594 (Page 114). Fig. 2. Hemig.^leus pector.\ C. Z. 847 (Page 150). Fig. 3. Prlstiophorus j.^ponicuis. M. C. Z. (Page 246). Fig. M. C. Z. 8964. Fig. 5-7. Cer.\todus M. C. Z. 9827. 1-5. Lower view. 6. Upper view. 7. Lateral view. The pelvis of the Antacea, fig. 1-3, is radically different from that of the Dipnoi, fig. 4-7. Thedifferences are of such characters that no evidences of close relationships are evident. Tiie structurein the sharks, the Antacea, is farther than that in certain of the more specialized of the Platosomia, thePotamotrygons, for instance, Plate 64, fig. 1-2, from that in these Dipnoi; yet undoubtedly such re-semblances as exist between the pelvis of the Lung Fishes and that of the River Trygons, in the medianpropclvic cartilage, is due to similarity of conditions and habits and not to inheritance from commonancesto
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1913
