XVI __-Proceedings of the Association of American Anatomists 
generation of the direct cerebellar tract (Fasciculus spinocerebellaris 
dorso-lateralis) in the lateral funiculi. Corresponding to the very ex- 
tensive degeneration of the direct cerebellar tract there is almost total 
disappearance of the cells of the nucleus dorsalis. The association of the 
two systemic degenerations indicates a probable functional relation 
between the third foetal system of Trepinski, the nucleus dorsalis and the 
direct cerebellar tract. 
The results reported in the paper will be incorporated in a larger 
report upon the whole subject to appear later. 
AN ANOMALOUS VENA CAVA INFERIOR. By DANIEL G. REVELL. Aull 
Laboratory of Anatomy, University of Chicago. 
The case was observed in the anatomical department of the University 
of Toronto. 
The vena cava inferior was absent excepting a slender vessel which 
extended from the vena iliaca communis dextra to the V. renalis dextra. 
Its place was taken postrenally by a persistent V. cardinalis sinistra ; 
prerenally by the V. hemiazygos (V. azygos minor inferior) and the 
cranial half of the V. azygos (V. azygos major). There were two hepatic 
veins, which passed through two openings in the diaphragm and opened 
separately into the heart. 
A full description will be published elsewhere. 
THE MESAL ASPECT OF THE LEFT HEMICEREBRUM WITH 
SELECTED HUMANS AND REPRESENTATIVE OTHER PRIMATES. 
By Burr G. WiLpER. Cornell University. 
The brains exhibited were from two mathematicians and philosophers ; 
two educated women; a lawyer and politician, afterward a drunkard 
and pauper; an unknown mulatto and an ignorant black; an insane 
woman, an idiot, and a murderer; an orang, gorilla, and chimpanzee. 
There was presented a table including the foregoing with other orangs, 
a gibbon, two other idiots, and a mathematical teacher. The table gave 
the ratios to the length of the left hemicerebrum of (a) the width of 
the precuneus; (b) the height from the “central eminence” (just 
cephalad of the dorsal end of the central fissure) to the tip of the tem- 
poral lobe; (c) the height from the central eminence to the cut surface 
left by removing the olfactory tract; this, the “olfactory ratio” was 
found less variable than the “ temporal;” in either case the plane coin- 
cides very closely with the general location and direction of the central 
fissure. 
