. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 234 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. et se devise en deiix parties (PI. XIY. Fig. 8) dont les fibres sortent du cerveau en formant differents coins et se croisent ensuite au dedans du ganglion Gasseri; de cette maniere le raraus ophthalmicus profundus les recoit de la partie posterieure; le ramus maxillaris, de la posterieure et de I'anterieure; le ramus mandibularis, priucipalement de la ; [Mitrophanow's results are seen to differ markedly from mine as to the relationship of the fibr
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 234 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. et se devise en deiix parties (PI. XIY. Fig. 8) dont les fibres sortent du cerveau en formant differents coins et se croisent ensuite au dedans du ganglion Gasseri; de cette maniere le raraus ophthalmicus profundus les recoit de la partie posterieure; le ramus maxillaris, de la posterieure et de I'anterieure; le ramus mandibularis, priucipalement de la ; [Mitrophanow's results are seen to differ markedly from mine as to the relationship of the fibres of the ramus mandibularis. My results, how- ever, agree with those of His ('88^ p. 365, Tab. II, Fig. 3) for the human. ^f^, VJJ hoi. Figure K. embryo. The clear relationship of the motor fibres of the trigeminus with encephalomere III and the visceral part of van Wijhe's second cavity appears to me a matter of considerable morphological importance, and seems to establish the metameric relations of these elements. Fig. K. Parasagittal section through the left side of a Squalus embryo of 19-20 mm. X 50. II, III, IV, second, third, and fourth encephaloraeres; V. md., r. mandibularis trig.; V. mx., r. maxillaris trig.; V. ojit. p'fnd., r. ophth. profundus trig.; V. opt. su., T. ophth. superficialis trig.; V. rx. maj. and V. rx. min., major and minor roots of the trigeminus; T7/. ac., r. acustico-facialis; VII. buc, r. buccalis facialis; VII. hoi., r. hyoideus faciahs ; TT/. opt. su., r. opiith. superficialis facialis ; rjn. far., ganglion of the facialis nerve ; fjn. ms-ce., meso-cephalic ganglion still retaining connection with the ectoderm by the process x ; mu. ob. .sh., m. ohliquus superior; )nu. rt. su. + a., muse, recti superior and anterior (1st cavity); trch., 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 r
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