"+ 
NOTES. 507 
era. In the march of civilization, these ‘ finds” throw light on 
certain interruptions and oscillations which seem to proceed from 
great wanderings of peoples who, in their turn, appear to be con- 
nected with the definite establishment of the iron age in the north, 
and with the first complete colonization of the Scandinavian penin- 
sula. In order to explain this question, the Society asks for a 
description of the principal Roman and demi-Roman “finds” in the 
countries of the central and northern parts of Europe, which were 
situated beyond the borders of the Roman Empire, and also desires 
that this description be accompanied by an argument based as 
much upon these archeological data as upor historical documents, 
from which may be known the extent and importance of the 
current of Roman civilization in the countries mentioned and 
especially the changes which its interruptions and final cessation 
have brought on, in the civilization and colonization of the north. 
Natural History Question. — It is now a hundred years since the 
celebrated observations of O. F. Miller on agamous reproduction 
(gemmiparity) of the Naiades was published, and although there 
S ho reason to question their perfect accuracy on all essential 
points, it is very desirable to have them resumed in the actual 
light of science and with the means which it possesses to-day. 
Schultze, Leuckart and Minor have furnished history with valuable 
contributions of the manner of reproduction of the Naiades prop- 
erly called, as Claus and Lankester have of Chætogaster ; never- 
less, science ought to be in possession of materials sufficient 
for intelligence on all points of which it is necessary to keep 
account, It is not known definitely what is the first origin of buds 
or, first individuals, and the relations between the modes of gem- 
parous and scissiparous reproduction consequently need to be 
uestion is almost at the same point. For these reasons, the 
desires to urge a thorough research, and one answering the 
