LIST OF PAPERS. 
Page 
ARBER, E. A. NgwzrL, M.A., Sc.D., F.L.S., and F. W. LawrrELD, B.A. On 
the External Morphology of the Stems of Calamites, with a Revision 
of the British Species of Calamophloios and Dictyocalamites of Upper 
Carboniferous: Age. (Plates 28-25) 5555... meer 507 
Bower, Prof. Freperick Orpen, M.A., Se.D., F.R.S., F.L.S. Hooker Lec- 
ture: On the Natural Classification of Plants, as exemplified in the 
Brisror, B. Murier, M.Sc. Ona Malay Form of Chlorococewm humicola (Nüg.), 
Rabenh. (Communicated by Prof. G. S. Wxsr, F.L.S.) (Plates17&18.) 473 
Gares, Rrarxanp RuaGLEs, Ph.D., F.L.S. A Systematic Study of the North 
American Melanthacee from the Genetic Standpoint. (With Map 
(Plate 5), and 1 Text-figure.) ............ MERCURIO Jeu E 131 
Gurry, Henry Bnovanaw, M.B., F.R.S., F.L.S.  Plant- Distribution from the 
Standpoint of an Idealist M ALL ees tueri PE 439 
Hasrinas, SOMERVILLE, M.S., see PAursox, R. 
Herpman, Prof. WinLiaw. Assort, D.Sc., F.R.S., F.L.S. Sports RUNIANA.— 
ILI. The Distribution of certain Diatoms and Copepoda, throughout 
the year, in the Irish Sea. (With 21 Text-figures.)......0.0.0000.000000. 173 
Lacarra, CHARLES CARMICHAEL, F.L.S. Two Critical Plants of the Greek 
—— A Revision of some Critical Species of Hchiwm, as exemplified in the 
Linnean and other Herbaria ; with a Description of Echium judeum, 
a new Species from-Palestitigmne si o o euer 363 
LawriELD, F. W., see ARBER, E. A. NEWELL. 
