* 
992 General Notes. [September, 
different areas. The American continent, Eastern Asia and the ; 
Polynesian isles received only euthycomous varieties, 
accompanying table will exhibit Kollmann’s scheme of — 
the pre-glacial sub-species and varieties : 
SUB-SPECIES, | PENETRATION. VARIETIES, BY THE HAIR, 
1, Chamzeprosope— 
| 
| Cham.  dolich, lissotrich. 
Dolicocephals “ mesoc. “ 
| 
| 
| 
Europe $ 
(Long skulls, wide faces) North Africa } “ brach. n 
West Asia | Leptopr. dolich, " 
2. Chamzeprosope— po’ ae * 
Mesocephals 
P 
(Medium heads, wide faces) 
| Cham. dolich,euthycoma. 
| America 7 mesoc.  “ 
3. Chamæprosope— | East Asia } 
Brachycephal 
phals Polynesia 
(Short heads, wide faces) 
“ brach. r 
| Leptopr. dolich. ai 
| “ mesoc, 
| | e brach. 
4. Leptoprosope— | 
Delick ha Cham. dolich. ulotrich. 
s mesoc. 
(Long skulls, long faces) Cent. Africa ; 
So. Africa be brach. F 
5. Leptoprosope— Melanesia Leptopr. dolich. ws 
e m 
esocep rete 
(Medium heads, long faces) T brach, me 
6. Leptoprosope— 
Brachycephals 
(Short heads, long faces) 
Ae betee ratan Ave: merta AE 
:0: 
MICROSCOPY.? eee 
THoma’s SLIDING Microrome.—Dr. R. Thoma, extra ae 
professor of pathological anatomy at the University of pee 
g, has been good enough to write us the following descrip” 
(in English) of his instrument, which has acquired consi¢ pri 
reputation both on the continent and in England? He adds ais? 
remarks on it use: ae 
€ microtome (Fig. 1) consists of a stand of caste ae 
which slide two carriers. The large knife is attached ne 
these, æ, which slides horizontally. The second, mi hol hs 
. Cc : A 
so as to raise the specimen as required. J 
Ba e ao ; character © 
This, with a few modifications, is the general ee 
! Edited by Dr, C. O. Wurman, Newton Highlands, Mass. ),P 
* A description without figures appeared in Virchow’s Archiv. ixxxiv (1881); 
189 -OI. i Ae 
