1891.] Microscopy. 85 
Some of these lectures were illustrated by means of lantern slides. 
Those of Prehistoric Anthropology and Archeology were as follows: 
Silex tertiare otta<SAG- SOU a ws 65 
Cromlechs maneret- n a SG ee 54 
Roche Montonneess.: {406 34) wa Gite avapers 14 
Glaciers: dé: fornai 4 cae ek aa we 6 
Portraits (P. Broca and others) 4::.2..0.. hee 7 
Quarternaire stratigtanbie s-r isc A ils es 48 
Archæolóogic (Drone) oy) si ee Ve 9 gee 83 
Paleothologic (ston@) < jon 5 io 0 +s Oe 
Megalethiqus (dele) © 60. oss o hee ae 19 
Ethnogtaphic (char) -s 6... <6 ss a 4 ® 30 
417 
In addition ‘to the courses of lectures, which have now been con- 
tinued for fourteen years past, and of which the foregoing are given as 
an example, there have been other lectures, either delivered by special 
lecturers or upon special subjects under the direction of the Society of 
Anthropology : 
Eulogy of Dr. Paul Broca, by Monsieur Dally, 1884. 
The Distinctive Characters of the Human Brain, by Monsieur Pozzi, 
1885. 
A Study of the Races of Mankind in the Lower Valley of the Nile, 
by Monsieur Hamy, 1886. 
Aphasy Since the Time of Broca, by Monsieur Mathias Duval, 1887. 
The Nervous Centers, by Monsieur Laborde, 1888. 
(To be continued.) 
MICROSCOPY.! 
Medullated Nerve-Fibres.?—Prof. Kultschitzky offers the fol- 
lowing methods designed to take the place of Weigert’s hematoxylin 
method. Kultschitzky’s method permits of washing the preparation 
after fixation, and so avoids, to a great extent, the precipitation of 
chromic salts in the tissues. 
_ The material must lie in Erlicki’s fluid 1-2 months, then be washed 
in water 1-2 days, and hardened in alcohol. Then follows imbed- 
1 Edited by C. O. Whitman, Clark University, Worcester, Mass. 
* Kultschitzky. Anat, Anz., September 12, 1890, No. 18, p. 519- 
