. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 6. Ventral view of ethmoid of (A) Eope/obafes guthriei, MCZ 3493, X 3; (B) E. bayeri, CUPI , X Dashed line = restoration, dotted line = broken bone outline; P =â palatine articulation; VB = boss for vomerine teeth. flared anteriorly ( S. intermontanus), producing the most extreme pelobatine condition. The bony ethmoid is, of course, merely an ossified portion of the ethmoid cartilage and not coextensive with it. The cartilage itself is also quite different in the two modern subfamilies (cf. Figs.
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 6. Ventral view of ethmoid of (A) Eope/obafes guthriei, MCZ 3493, X 3; (B) E. bayeri, CUPI , X Dashed line = restoration, dotted line = broken bone outline; P =â palatine articulation; VB = boss for vomerine teeth. flared anteriorly ( S. intermontanus), producing the most extreme pelobatine condition. The bony ethmoid is, of course, merely an ossified portion of the ethmoid cartilage and not coextensive with it. The cartilage itself is also quite different in the two modern subfamilies (cf. Figs. 3b, 5e) and within that cartilage, the above-noted variations in ossification occur. The re- treat of the bony roof of the pelobatine ethmoid is accompanied by regression of the cartilage to a partial ring surrounding the naris and a thin, membranous cover over the main unossified part of the cap- 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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