CONTENTS. VU 



PART IV.— 1859. 



XXI. Observations on the Structure of the Stem in certain Species of the Natural Orders 

 Caryopliylleae and Plumbaginese. By Daniel Oliver, Jun., F.L.S. . page 289 



XXII. On the Genus 'S.eaxi(]Viez\'a, of Spruce. By George Bentham, Esq., V.F.L.S. 295 



XXIII. Remarks on Gnetum. By the late "William Griffith, Esq., F.L.S., Madras 

 Medical Service. Communicated by A. Henfret, Esq., F.B.S., F.L.S,, Professor 

 of Botany, King's College 299 



XXIV. Synopsis of the Fructification of the Simjyle Sphserise of the Sookerian Her- 

 barium. By Frederick Gurret, Esq., M.A., F.B.S., F.L.S. 313 



XXV. Synopsis of the Genera Camellia and Thea. By Berthold Seemann, Esq., 

 Ph.D., F.L.S. 337 



XXVI. On Tomopteris omsciformis, Eschscholtz. By William B. Carpenter, Esq., 

 M.B., F.B.S., F.L.S. 8fc 353 



XXVII. On some new forms of Entozoa. By T. Spencer Cobbold, Esq., M.I)., 

 F.L.S. 363 



XXVIII. On the Anatomical Characters of three Australian species of Tnnicata 7'eferable 

 to Savigtiy's subgenus Csesira. By John Denis Macdonald, Esq., F.B.S., Assistant 

 Surgeon of S.M.S. ' Herald,' commanded by Captain H. M. Denham, R.N., 

 F.B.S. Communicated by George Busk, Esq., F.R.S., F.L.S. 367 



XXIX. On the Anatomical Characters of a remarkable form of Compound Tunicata. 

 By John Denis Macdonald, Esq., F.R.S., Assistant-Surgeon of H.M.S. 'Herald,' 

 commanded by Captain H. M. Denham, R.N., F.R.S. Communicated by George 

 Busk, Esq., F.R.S., F.L.S 373 



XXX. On the Anatomical Characters of an Australian species of Peropliora. By John 

 Denis Macdonald, Esq., F.R.S. , Assistant-Surgeon of H.M.S. 'Herald,' com- 

 manded by Captain H. M. Denham, R.N., F.R.S. Communicated by George 

 Busk, Esq., F.R.S., F.L.S 377 



XXXI. Observations on the " Bitentaculate Slug " of New Zealand (Limax bitentacu- 

 latus, Quoy and Gaimard; JaneUa antipodanim. Gray; " Aneiteum Slug"?, 

 Macdonald). By Charles Knight, Esq., F.L.S 381 



