394 Meeting of the American Association 
Account of the prmant state of the Smithsonian Institute. By Pro- 
fessor JoszepH Hen 
- Fundam — principles of Mathematics. By Professor STEPHEN 
ALEXAND 
On the "identity of the Atops trilineatus and the Drinsthews “5 — 
(Green,) ei — upon the malptocaphalss asaphoides. By Pro 
Report on the "Foramminifets dredged i in the coast survey. By Pro- 
fessor Barn 
Theory of the Geological action of the “mee By Lieutenant C..H. 
Davis. Communicated by Professor Perm 
Observations upon the local nie 8 of marine animals, By Mr. 
Desor. Communicated by Professor PE 
Discussion of the lexible. ag aS ‘By ‘Professor. J. E. Outver. 
Communicated by Professor Perr 
On the s panciplee of analytical woo By Professor Prer 
On c methods of finding. the real na of equations. By Poe 
fessor 
Theor ‘of — mutual action of two olistte, the ratio of whee mean 
motions is near ionof two to one. By Profes sor PErrc 
Bh pate decomposition f rocks; by meteoric agents. By ‘Profoasthe 
On the solipeasiod “solubility of carbonate of lime, and ane of 
meee By Professors W. B. and R. E. Rogers. 
On mo Fishes of Lake Siperion. ‘By Professor Acas 
me Improvements in recording “Magnetic Taegnaie By 
Fvalinene JOHNSON. 
omparison of the Aipine and the Northern Vegetation. By 
Professor AGassiz 
On the Structure of the Phonetic Apparatus of the Crickets. By 
Professor Aca 
n the Origin of the Actual Outlines of Lake Superior. By 
Terraces Ancient River Hach, the Drift, the Boul 
ad th. Pl Polish acer around Lake = and Lake 
eo L rofeawor Rae 
diag) Classification of the Animal Kingdom. By Professor 
A ay of the pee tae By Professor Akeni 
aoe rks upon the Black-banded Cyprinids. By Professor 
‘Not wie of some new Cyprinodonts. By Professor Acassiz. 
On the Fossil Cetacea of South Carolina. By Professor AGAssiz. 
; penpariegs of the Structure of Crinoides, with the Embryonic 
of the Star Fishes. By Professor Acassiz. 
On the Currents of the Ocean. By Lieut. M. F. Mav 
epee “Sonne 3 i powers of the radii vectors of an Ellipse. 
; FF 
° 
“ 
absorption of carbonic acid by Liebig’s dilute solution of 
of soda. By Profe essors . and R. E. Rocers. — 
composition of the bittern of some of the salines of Western 
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