Miscellaneous Intelligence. — 607 
Dr. Bolton’s proposition is approved by the Editor of the Ameri- 
hi ot 1 
can Chemist (N. Y.), who invites from ers an expression of 
August meeting of the 
Association for the Advancement of Science at Hartford? 3. s 
7. Observations on the Genus Unio, ete., by Issac Lea, LL.D. 
Vol. XIII.—Dr, Lea has here added another volume to his large 
work on the Unionidae. It is illustrated by 22 beautiful litho- 
consists of two papers read before the Academy of Natural Sci- 
ences of Philadelphia; one, on fifty-two species of Unionidx, read 
in September, 1873; the second, a Supplement, on fifteen species, 
read February, 1874. 
r. Lea has also issued recently a pamphlet of 24 pages, contain- 
ing papers from the Proceedings of the same Academy, rea 
during the five years past, five of them on new species of Unionida, 
Lower Amazons, (Bull: Buffalo Soe. Nat. Sci, No. 4, vol. i.) —Pro- 
various Devonian fossils, and determined the beds of the Be _ 
e fossils, 
9. On Ocean Currents.—Professor James Crott, of the Geo- 
logical Survey of Scotland, has published Part III of his series of 
papers on Ocean Currents in the Philosophical Magazine for Feb- 
ruary. It treats of the Physical Cause of Ocean Currents. 
10, Annual Report of the Trustees of the Museum of Compara- 
tive Zoology at Harvard College in Cambridge, together with the 
Report of the Committee of the Museum for 1873. 30 pp. 8vo. 
Boston, 1874.—In an Appendix to these Reports, it is stated that 
the sums subscribed for the Museum, in addition to the regular 
income, in 1872 and 1873, amount to $175,909.61,.and that, 
of this sum, about $18,000 were given by Alexander Agassiz for 
ublications, etc., $16,252 by Alexander Agassiz an incey A 
Swe, and $100,000 by aeeey & Shaw. Of the remainder, 
bseri Mrs. G. 
Brimmer, $4,060 by former rupils of Prof. Agassiz’s Young 
_ Ladies’ School, $5,500 by a “friend,” and $25,000 was a grant 
