Miscellaneous Intelligence. 347 
3. Report on the Waters of the Hudson River together with 
analysis of the same, made to the Water Commissioners of the 
City of Albany ; by C. F. Cuanpurr, Ph.D., Jan., 1885.—In this 
Paper the amount of soluble matters in different river waters is 
given as follows: in grains per gallon of 231 cubic inches and 
m parts per 10,000, 
Per gallon. Per 10,000 parts. Mineral matter. 
Hudson River at Albany. 4°665-7°581 8:00~13°00 5 0 
Mohawk River 6°250 10°70 
Of the amount, 1°50 to 5:00 in 10,000 are organic and volatile 
qutters, deducting which leaves for the mineral matters in the 
Hudson River waters 4°50 to 9°80 inch in 10,000 parts as above 
hs 3 Blase era 
wee ewe 
he waters for city supply. 
4. The life of James Clerk Maxwell, with selections Jrom his 
prrespondence and occasional writings; by L L, M.A., 
W D., Professor of Greek in the University of St. Andrews, and 
m. Garnett, M.A. New edition, abridged and revised, 422 pp. 
'2mo. London, 1884, (Macmillan & Co.).—This admirable biog- 
taphy of one of the greatest of physicists and mathematicians 
and best of men is an abridgment of the larger work published 
tWo years since, 
OBITUARY. 
..OHN Gwyn Jerrreys, the distinguished veteran concholo- 
ie died suddenly on January 24th, at his residence in London. 
~ Jeffreys was born January 18, 1809, at Swansea, Wales. 
His earlier apers on conchology date back to 1828, and during 
ny past fifty-six years ‘ t 
‘erature of his favorite branch of science. His most extensive 
Work is the “British Conchology,” in five volumes. 
fading part in the earlier private dredging expe 
Great Britain and in the Mediterranean, he took an active part in 
those explorations. He also went in the “ Valorous” to Baftin’s 
Bay, in 1876, for the chance of doing some arctic deep-sea 
dredging. In 1871 he visited the United States and Canada for 
a short time, and while here made a brief visit to the U.S, Fish . 
Ommission, then in its first year of existence, and took part in a 
i i ound. In 1880 he went by 
ravail- 
For several years past he has be 
? . e 
> iscay. 
*ngaged in publishing Gis conobological results of these various 
