. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. SARGENT: THE OPTIC REFLEX APPARATUS OF VERTEBRATES. 209 trunks have been traced cephalad nearly to the base of the ganglia habenulae. Stromateidae (135). In the young butterfish, Rhombus triacanthus, 15 mm. long, the torus longitudinalis is well developed anteriorly (Plate 7, Fig. 50). The growth of the valvula cerebelli forward into the mesocoele has resulted in the crowding forward of the torus so that the latter lies almost wholly dorsal to the posterior commissure, and "within the anterior prolongation of the
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. SARGENT: THE OPTIC REFLEX APPARATUS OF VERTEBRATES. 209 trunks have been traced cephalad nearly to the base of the ganglia habenulae. Stromateidae (135). In the young butterfish, Rhombus triacanthus, 15 mm. long, the torus longitudinalis is well developed anteriorly (Plate 7, Fig. 50). The growth of the valvula cerebelli forward into the mesocoele has resulted in the crowding forward of the torus so that the latter lies almost wholly dorsal to the posterior commissure, and "within the anterior prolongation of the mesocoele above it. Eeissnei''s fibre is formed very largely from trunks emerging from the ' Schaltstiick' anterior to the commissure (trt. tor, fbr. Reis. a.). In addition there. Figure /. Pomatomus saltatrix, adult. Sagittal section of the dorsal portion of the midbrain. For meaning of abbreviations, see Explanation of Plates, p. 257. are clearly some finer trunks which emerge from the anterior extremity of the ' Schaltstiick,' and probably have their origin in the ganglia habenulae. In the mesocoele below the valvula, Reissner's fibre is fully consolidated and micron in diameter. In the closely related Eupomotis gibbosus, the conditions are practically the same as in Rhombus. In the adult the diameter of the fibre is 3 micra. Serrakidae (1-46). Of this family I have studied the apparatus in the adult of the white perch, Morone americana (Plate 10, Fig. 68), and the sea bass, Centropistes striatus. In both, the importance of the apparatus is evidenced by the size of Reissner's fibre. In the perch its. 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
Size: 2038px × 1227px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904
