. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 132 BIXLETIN: MUSEUM OF COMPARATIVE ZOOLOGY The most conspicuous development is that its Avails have greatly tliickened so that its lumen is much reduced in diameter. The cavum nasi jiroprium is exactly the same shape as described aljove, although the lumen is generally narrower and the regio olfactoria proportionately larger. However, the regio intermedi- DNP RDN. 25 F RDN Figure '2i. ( 1473 (; MC). Frontal sections through the nasal area. A, section ]83; B, 16 sections ventral to A; C, 18 ventral to
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 132 BIXLETIN: MUSEUM OF COMPARATIVE ZOOLOGY The most conspicuous development is that its Avails have greatly tliickened so that its lumen is much reduced in diameter. The cavum nasi jiroprium is exactly the same shape as described aljove, although the lumen is generally narrower and the regio olfactoria proportionately larger. However, the regio intermedi- DNP RDN. 25 F RDN Figure '2i. ( 1473 (; MC). Frontal sections through the nasal area. A, section ]83; B, 16 sections ventral to A; C, 18 ventral to r.: T), ." ventral to C; and E, (i ventral to D. 21x. Figure 2"i. )nys 2141 (; MC). Transverse sections through the nasal area. A, section 452; B, 17 sections posterior to A; C, 13 posterior to B; D, 20 posterior to C; E, 32 posterior to D; F, 24 posterior to E; and G, 24 posterior to F. 13x. alls noAv hears thickened epithelium not only medially, but also veutrally and ventrolaterally. This thickening appears to pro- ceed progressively around the ventral margin from the medial wall. Posteriorly there is far less of the thick epithelium on the. 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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