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Inhoud : 
H. J. Clark. Lucernariac and their allies. A memoir on tlie Ana- 
toiny and Physiology of Haliclystus Auricula and otlier Lucer- 
nariaus, with a discussiou of their relations to otlier Acalephae, 
to Beroids, and Polypi. 
E. W. Hilgard. On the geology of Lower Louisiana and the salt 
deposit of Petite Anse Island. 
J. G. Barnard. On the internal structure of the earth eonsidered 
as affecting the Phenomena of prccession and nutation, being the 
third of the problems of rotary motion. 
D. G. Elliot. A Classification and synopsis of the Trocliilidae. 
H. C. Wood. Fever; a study in morbid and normal physiology. 
Smithsonian miscellaneous collections. Washington 
1880—1881. Vol. XVIII-XXI. 8°. 
Annnal report of the board of regents of the Smithsonian 
Institution for the year 1879. Washington 1880. 8°. 
A memorial of Joseph Henry. Washington 1880. roy. 8°. 
Annual report of the Comptroller of the currency to 
the third session of the forty-sixth Congres of the 
United States, 6 December 1880. Washington 1880. 8°. 
Refunding of the national debt. Notes of an interview 
between the finance committee of the Senate and the 
Secretary of the Treasury, the Comptroller of the Cur- 
rency, and the Treasurer of the U. S. with regard to 
the bill (H. R. 4592) to facilitate the refunding of 
the national debt. Washington 1881. 8°. 
Anniversary memoirs of the Boston Society of natural 
history, published in celebration of the fiftieth an- 
niversary of the Society’s foundation 1830 — 1880. 
Boston 1880. 4°. 
Inhoud : 
N. S. Shaler. Propositions concerning tbe Classification of Lavas 
eonsidered with reference to the circumstances of their extrusion, 
