. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 24 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. Ill 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 There is no longer a region of close appression without iu Figure D trh. .'fn''orb. dr. ecV">. .».. Fig. C.
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 24 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. Ill 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 There is no longer a region of close appression without iu Figure D trh. .'fn''orb. dr. ecV">. .».. 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 Ca bristle is shown passing through the left olfactory for- amen, to indicate the axis of the opening, ^'hich 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 C 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: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
