CONTENTS. 
PART I.—1863. 
I. On Welwitschia, a new Genus of Gnetacese. By JOSEPH DALTON HOOKER, M.D., 
ZI CM WAS. AO. © . vov. ee pe DUE i1 
PART II.—1803. 
II. On Splanchnotrophus, an undescribed Genus of Crustacea, parasitic in Nudi- 
branchiate Mollusca. xd ALBANY Hancock, F.L.S., and the Rev. ALFRED MERLE 
NURHAN. MMA uo. - 49 
III. On the Development of Chloéon (Ephemera) dimidiatum.—Part I. By JoHN 
Lvussock, Esq, KES; PLS. PGS. . . . . 21741. 0 
IV. On the Hairs of Carcinus Meenas. By W. CARMICHAEL و11‎ M. D., F.L.S. 
Communicated by T. S. COBBOLD, M.D., F.L.S. . . . . : 79 
V. On the Structure and Nature of the Dracunculus, or Guineaworm. By H. CHARLTON 
` BASTIAN, M.A., M.R.C.S., Assistant Conservator of the Anatomical Museum, 
University College, London. Communicated 7 GEORGE BUSK, m DARRERS., 
Sec. L.S. à ig : - $9.39 
VI. On two Aquatic Hymenoptera, one of which uses its ndi in bunc ^ = JOHN 
MUNBOCK, E, Fit, AES, EOS. o... . 135 
VII. On a Sexual Monstrosity, consisting in the Development of Polliniferous Ovules, 
im two Species AG Passiflora. te S. James A. SALTER, M.B., F. R. S4 ELS, 
PGMS eee’ a J i o 41248 
VIII. Notes on British Fungi. By FREDERICK Currey, M.A., F.R.S., Sec. L.S. . 151 
IX. Note on Cassia moschata, H., B., K. By DANIEL HANBURY, Esq., F.L.S. . . 1 
Lo a E ET 
