Chondria, 359.

Chondrus, 370.
Chorda, 356.
Chordaria, 357.
Chrysymenia, 371.
Chylocladia, 371.
Cirsium acaule, 40.
brevifolium, 42.
Californicum, 46.
canescens, 42.
cernuum, 44.
Coulteri, 45.
diversifolium, 42.
Douglasii, 42, 43.
Drummondii, 40.
edule, 47.
eriocephalum, 46.
foliosum, 40, 46.
Grahami, 43.

heterolepis, 44.

Hookerianum, 42, 43, 46.
horridulum, 40.

Flavocobalt, 25.
Fuscocobalt, 12.
Praseocobalt, 11.
Purpureocobalt, 32.
Xanthocobalt, 26.
Octamin series, 4.

Erdinann's salts, 10, 13.
Fischer's salt, 17.

Fremy's salts, 12.

Kunzel's hyposulphate, 12, 13.

Sadler's salts, 14.

Codium tomentosum, 377.
Coldenia, 48.

Nuttallii, 48.
Palmeri, 48.

Collinsia Greenei, 75.
Committees, 464.
Communications

from Messrs.
Amory, H., and F. Minot,
308, 474.

Cooke, J. P., Jr., 451, 468, 475.
Cooke, J. P., Jr., and F. A.

Gooch, 453, 466, 475.

Crosby, W. O., 425, 475.

Farlow, W. G., 351, 474.

Gibbs, W., 1, 401, 466, 471,
474.

Gray, A., 39, 312, 456, 474.
Hayes, A. A., 294, 472.
Hodgkins, W. C., and J. H.
Jennings, 387, 474.
Hunt, J. S., 465.

Jacques, W. W., 389, 445, 474,
475.

Peirce, B., 395, 475.

Peirce, B. O., and E. B. Le-
favour, 385, 474.

Peirce, C. S., 332, 473, 475.
Pickering, E. C., 79, 465, 466.
Pickering, E. C., and D. P.
Strange, 428, 432, 475.
Pickering, E. C., and C. H.
Williams, 300.

Rogers, W. A., 438, 475.
Safford, T. H., 82, 468, 475.
Scudder, S. H., 91, 468.
Shaler, N. S., 473.

Trowbridge, J., 381, 473.
Watson, S., 333, 473.
Williams, C. H., 421, 475.

Communications, Extra copies to

Authors, 465.

Conanthus, 312, 329.

aretioides, 329.

Constantinea Sitchensis, 370.

Corallina, 364.

angustifolium, 59.
aretioides, 56.
Californicum, 56.
canescens, 57.
Chorisianum, 53.
circumscissum, 58.
connatifolium, 56.
- crassisepalum, 60.
floribundum, 55.
fulvocanescens, 61.
fulvum, 57.
glomeratum, 61.
heliotropoides, 60.

hispidum, 55, 59.
Jamesii, 60.

Kingii, 60.

leiocarpum, 59.

leucophæum, 61.

micranthum, 58.
multicaule, 60.

muriculatum, 59.

nanum, 56.
oxycaryum, 58.
plebeium, 56.

pterocaryum, 61.

pusillum, 59.

Scouleri, 56.

tenellum, 57.

Fellows elected :-

William A. Hammond, 467,

468.

Julius E. Hilgard, 467, 468.
Henry B. Hill, 472, 473.
William James, 472, 478.
James McCosh, 467, 468.
John McCrady, 467, 468.
William P. Trowbridge, 467,
468.

James H. Trumbull, 467, 468.
Sereno Watson, 467.
Francis Wharton, 463.

Charles H. Wing, 467.

Fellows, List of, 518.

Fellows, Associate, List of, 521.
Fischer's Cobalt Salt, 17.
Flavocobalt, 25.

Foci of Lenses placed obliquely,

300.