. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 24 bulletin: museum of comparative zoology. In older specimens this right supraorbital begins now to disappear, the disappearance progressing from behind forward as the ensheathing ocular-frontal takes its place and function. The remnant of this carti- lage {ham. eth.), as it appears at a later stage, when it has been forced into the horizontal position (vertical as the fish lies on its side), is shown in Figure D. There is no longer a region of close appression without trh. sii'orb. dz. ec^«.. orf. orb
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 24 bulletin: museum of comparative zoology. In older specimens this right supraorbital begins now to disappear, the disappearance progressing from behind forward as the ensheathing ocular-frontal takes its place and function. The remnant of this carti- lage {ham. eth.), as it appears at a later stage, when it has been forced into the horizontal position (vertical as the fish lies on its side), is shown in Figure D. There is no longer a region of close appression without trh. sii'orb. dz. ec^«.. orf. orb a. for. olj. dx. pt-pal. dx. crt. mk. Fig. C>. Same model as that shown in Fig. C, viewed obliquely from right side and behind. A probe is thrust through the right olfactory foramen. X 45. For meaning of lettering, see Abbreviations under Explanation of Plates. fusion between it and the median arch, but the hook arises directly from the arch. In Figure G a bristle is shown passing through the left olfactory for- amen, to indicate the axis of the opening, which now is not parallel to the longitudinal axis of the fish, — as the right olfactory foramen still is, — but makes with it an angle of about 45 degrees, being directed caudad, mediad, and dorsad. In Figure 0" a white probe marks the position and direction of the right 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: ., bookauthorha, bookcentury1800, bookdecade1860, booksubjectzoology
