INDKX. 



367 



Nucleus 



isthmi, 261 

 lentiformis, 333, 166 

 magnocellularis tecti, 148, 73, 



135 



of posterior commissure, 265, 



132 

 of fasc. long, medialis, 196, 270, 



134 . 



olfactorius lateralis, 300, 99, 



145-150 



olfactorius medialis, 299, 101, 



147, 148, 150 

 praeopticus, 297, 304, 145, 149, 



150 



praetectalis, 266 



rotundus, 281 



ruber, 243, 246 



tecti, 247, 126 



thaeniae, 183, 296, 300, 303 



ventralis thalami, 258, 128 

 Oculomotor nerve, see N. oculomo- 



torius 

 Olfactory apparatus 



bulb, 28, 117, 293, 298, 302, 305, 



3 l6, 2, 7, 12, 94-98 



centers, 182, 292, 94-98, 145- 

 170 



decussation, 181, 185, 295, 304, 



334, 101, 145, 148 

 epithelium, 31, 61, 176, 34 

 glomerulus, 177, 94-97 

 granule cells, 181, 95, 96 

 lobe, 182, 296-307, 316, 12, 99, 



145-150 



mitral cells, 178, 95 

 nerve, see N. olfactorius 

 relation to gustatory apparatus, 



188 



relation to mouth, 176, 28, 37 

 Olive, 224 

 Operculum, cutaneous nerve supply, 



107, 63 

 Optic centers, 147, 261, 73, 74, 128, 



130, 131, 141 

 prosencephalization, 264 

 see also visual apparatus. 

 Optic lobes, 24, 147, 254-261, 2, 7, 



12, 73, 74 



Optic nerves, see Tr. opticus 

 Optic thalami, 25, 44, 246, 258-265, 



128, 141 

 Optic tract, see Tr. opticus 



Optic ventricle, 254, 127, 134 

 Optic vesicle, 44, 143, 150, 18-22, 75 

 Pallial tract, seeTr. olfacto-hypothala- 



micus lateralis 

 Pallium, see archipallium and neo 



pallium. 



of bony fishes, 304, 147, 151 

 Paraphysis, 30, 312, n, 36, 150, 



152, 153 

 Parietal eyes, 27, 102, 152, n, 12, 



io, 36, 76 



Paraterminal bodies, 306, 163 

 Pathways of impulses, 84, 92, 220 

 Peripheral nerves 



development of, 49, 13-16, 26- 



33 



Pineal eyes, 27, 102, 152, n, 12, 19, 

 36,76 



Pit organs, 58, 124 

 Pituitary body, 27 

 Placodes 



dorso-lateral, 58, 28, 33 



epibranchial, 55, 28, 31 

 Plexuses 



in palate, 42, 43 



of Auerbach, 206 



of Meissner, 206 

 Polarity 



of nervous system, 81 



of neurones, 77, 39 

 Pons, 24, 224, 243, 245 

 Posterior commissure, 25, 265, 59, 



132, 135, 145 



Preauditory pit, 59 



Precommissural body, 317, 330, 157- 



169 



Protopterus, 106, 288 

 Psalterium, 313, 315, 317-324. 334- 



150, 152, 155, 158-163, 



167, 168 

 Pulvinar, 261 

 Purkinje cells, 133-137, 239, 67, 68, 



121 



Pyramidal tract, 349 



Pyriform lobe, 317, 323, 333, 159, 



160, 162, 165, 166, 167, 



169 

 Kami commumcantes, 14, 156, 207, 



45, 77, 108 



relation to N.spinalis access., 207 

 Ramus buccalis, 21, 59, 130, 51, 62, 



63, 79 



hyoideus, 22, 58, 79 



