510 ABBREVIATIONS. 



MAUTH. FIB., Mauthner's fibres. 



MKD., meduUa oblongata. 



MED. AUR., medullary auricles. 



MED. OB. or OBL., medulla oblongata. 



MESEN., mesencephalon. 



MID. WING., middle or lateral wing of valvular cerebelli 



MONRO FOR., Foramen of Monro. 



N. AMYGD., nucleus amygdalae. 



NKOPAL., neopallium. 



NEUROP., neuropile. 



NON-HIP. PAL., non-hippocampal pallium. 



NUC. v,, nucleus quinti. 



NUC. x., nucleus vagi. 



OLF. BULB., olfactory bulb. 



OLF. PED., olfactory peduncle. 



OLF. N., olfactory nerve. 



OLF. TR., (lower vertebrates) olfactory peduncle. 



OLF. TR., (mammals) olfactory tract, " external olfactory root. 



OLF. TR. TUBER., tubercle of the olfactory tract. 



OLF. TUBER, or TUB., tuberculum olfactorium. 



OLF. VENT., ventricle of olfactory bulb. 



OLIV. or OLIV. BODY, olivary body. 



OPERC., occipital operculum. 



OPT. CHIASMA., OPT. CHIA8., or OPT. CHI., optic chiasma. 



OPT. LOB., lobU8 OpticiU. 



OPT. N., optic nerve. 



OPT. THAL., optic thalamus. 



OPT. TR., optic tract. 



PALL., pallium. 



PARAFLOC., paraflocculus. 



i- MI \KLOC. D., & v., paraflocculus dorsalis and ventralis. 



PARALLEL s., parallel sulcus. 



PARAPHY., paraphysis. 



FARATERM., panitcrminal body. 



PAR. STALK., parietal stalk. 



PED. OLF., olfactory peduncle. 



iT.Kini. V.COMM., peripheral ventral commissure of spinal cord. 



iii. LOB., petrosal lobule of the paraflocculus. 



PINEAL, pineal body. 



PIT. BODY, pituitary body. 



PONB. or PONB. VABOL., pons Varolii. 



POST. COMM., posterior commissure. 



POST. QUAD. CORP., posterior corpora quadrigemina. 



POST. WING, posterior wing of valvula cercbelli of Morrnyrus. 



