author's abstract of this paper issued 

 by the bibliographic service, july 21. 



THE INTERNAL STRUCTURE OF THE MIDBRAIN 

 AND THALAMUS OF NECTURUS 



C. JUDSON HERRICK 



From the Anatomical Laboratory of The University of Chicago 



SIXTY-EIGHT FIGURES 



CONTENTS 



I. Introduction 216 



Material and methods 220 



II. General morphology 220 



The mesencephalon 221 



The d'encephalon 225 



General histology 232 



III. The peripheral connections of the midbrain and thalamus -. . . . 234 



1. The oculomotor nerve 234 



2. The trochlear nerve 235 



3. The mesencephalic root of the V nerve 235 



4. The nervus terminalis 236 



5. The parietal nerve 236 



IV. The fiber tracts : 240 



1. The lemniscus systems 240 



2. The optic tracts 241 



3. The spinal lemniscus 2'^5 



4. The acoustico-lateral lemniscus 246 



5. Tractus bulbo-tectalis 247 



6. The visceral lemniscus 248 



7. Tractus tecto-cerebellaris 250 



8. Brachium conj unctivum 251 



9. The dorsal commissures 251 



10. Tractus tecto-bulbaris 252 



1 1 . Tractus tecto-peduncularis 253- 



12. Tractus tecto-thalamicus et hypothalamicus cruciatus ... 255 



13.- Tractus thalamo-hypothalamicus et peduncularis cruciatus 259 



14. Tractus tecto-thalamicus rectus 260 



15. Tractus tecto-habenularis 261 



16. Tractus preoptico-intercalaris 262 



17. Tractus habenulo-peduncularis 262 



18. Tractus thalamo-peduncularis. . ." 263 



19. Tractus dorso-ventralis thalami 266 



20. Tractus mamillo-peduncularis 266 



215 



THE JOURNAL OF COMPARATIVE NEUROLOGY, VOL. 28, NO. 2 

 OCTOBER, 1917 



