472 
Limnaus stagnalis, ear of, iv, 131. 
Nummalina structure of, W. B. Carpenter, 
Orinoern, supposed impression of soft parts | 
ein _ soft bodies of, preserv- 
‘South Ca v, 453. 
oceans grr tthe of, and notice 
D Orbig on, iv, 452, 
Spiro la. be of . £. Gray, i, 131. 
— oma, new genus of shells, 'é. B, Adams, 
Thoraroceras, of the family of orthoceratites, 
i, 440, 
Rapiata, Inrusorta 
Ac pate ee memoir on, by L. Agassiz, no- 
tice 
Asterias, Joell grosgenws of Ohio, i, 441. 
genus, J, D. Dana, ix, 
Corals, arg opera Cyathophyllide, J 
Ee 
Mo. 
INDEX, VOLS. I—x. 
an ae fossil palwozoic, of St. Louis, 
Eocene, United States, 
S. G. Morton, ji, 273 
Melovites ohisers,3 ii, 225, iii, 124. 
Navicula Spencerii, v, 443, vii, 265, ix, 23. 
Pygorhynchus Gouldii, a fossil echinus, M. 
‘our, ae : 
Sponge, ii, 
Sponges, aecta: a a H, J, Car- 
ter, x, 301, 
Infusoria in guano, i, 44 
_of tertiary of P Pa “J. W. Bailey, 
f Oregon, i ix, } 
of Florida, J. Vv " Bailey. x, 2 
on the teeth, H. J. dg is, 442. 
of volcanic rocks, i ee 
Zoophytes, ii, 64, 187, iii, +: 160, 337, iv, 
Report 0 on, by J. D. Dana, noticed, i 
149, 178, viii, 455, ix, 294. 
uccarini, analogy between flora of Japan 
and United States, ii, 135. 
D. Da 
on pei of United State , 
357" 30 fais ni B, iv, 
Zygadite, a new mineral, viii, 124. 
