. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 214 BULLETIN : JiUSEUM OF COMPARATIVE ZOOLOGY 12. Submarginal scute absent. 13. Gular area but slifi'htly j^rodnced or thickened. 14. Gulars paired. 15. Anal notch moderate. Most of these characters are primitive emydine and are in- ferred to be also primitive testndinine on the well-grounded theory that the Emydinae are ancestral to the Testudininae. In several instances where there is a good fossil record for a tortoise lineage, it is possible to observe a shift in these characters from A. Fig. 10. Interprefrontal s
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 214 BULLETIN : JiUSEUM OF COMPARATIVE ZOOLOGY 12. Submarginal scute absent. 13. Gular area but slifi'htly j^rodnced or thickened. 14. Gulars paired. 15. Anal notch moderate. Most of these characters are primitive emydine and are in- ferred to be also primitive testndinine on the well-grounded theory that the Emydinae are ancestral to the Testudininae. In several instances where there is a good fossil record for a tortoise lineage, it is possible to observe a shift in these characters from A. Fig. 10. Interprefrontal space in African testudinids I. A, Clemmys caspica leprosa ( 2210); B, Emys orbicularis ( 74604) ; C, Geochclone pardalis habcocM ( 7203); D, Testudo graeca ( 4485) ; E, Testudo Ideinmanni (Yale Mus. 662); F, Mala- cochersiis iornieri ( 45081); G, Chersina- angulata ( 50725). (P. Washer del.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology
