CONTENTS OF VOL. XI. 



NUMBER LXVII. 



Page 



I. Account of a Species of [chneumon whose Larva is parasitic on 

 Spiders. By John Blackwall, Esq., F.L.S 1 



II. Notice of Saurian Dermal Plates from the Wealden of the Isle of 

 Wight. By John Edward Lee, Esq. (With a Plate.) 5 



III. On the Discovery of the Remains of a Mastodontoid Pachyderm 



in Australia. By Prof. Owen, F.R.S. (With Woodcuts.) 7 



IV. Obsei-vationes de quibusdani Plantis Surinamensibus. By Dr. 



F. A. G. MiQUEL 12 



V. Descriptions of new Shells from the Collection of Capt. Belcher, 

 R.N., C.B., &:c. By Richard Brinsley Hinds, Esq., Surgeon R.N. 16 



VI. Hints towards a new specific character in the Willows. By W, 



A. Leighton, B.A., F.B.S.E., &c. (With Woodcuts.) 21 



VII. Contributions to the Ichthyology of Australia. By John 

 Richardson, M.D., F.R.S., &c.. Inspector of Hospitals, Haslar. {Con- 

 tinued.) 22 



VIII. Observations on the "Sea-Cup." By Charles W. Peach, 

 Esq. (With a Plate.) 28 



IX. Descriptions of Chalcidhes discovered near Conception in South 

 America by C. Darwin, Esq. By Francis Walker, Esq., F.L.S. ... 30 



X. On drying Plants for the Herbarium by means of a Deliquescent 

 Salt. By J. J. MuRcoTT, Esq 33 



XI. On the relative position of the Divisions of Stigma and Parietal 

 Placentae in the Compound Ovarium of Plants. By Robert Brown, 

 Esq., F.R. & L.S 35 



XII. On the Structure of the Capsule o{ Papaveracece ; and on the 

 Nature of the Stigma of Crucifero'. By J. W. Howell, Esq., M.R.C.S. 42 



XIII. Observations on the Metamorphosis of an Annelide. By S. 

 LovEN. (With a Plate.) 43 



XIV. Description of two new species of Reptiles from the Collection 

 made during tlie Voyages of H.M.S. Sulphur. By J. E. Gray, Esq., 

 F.R.S 46 



New Boohs : — The Grasses of Scotland, by Richard Parnell, M.D,, 

 F.R.S. E, &c. — Histoire Naturelle des Poissons d'eau douce, par 

 L. Agassiz. — Narrative of a Residence on the Mosquito Shore, by 

 T. Young. — Report on the Invertebrata of Massachusetts — Fi- 

 gures of Molluscous Animals, by Maria-Emma Gray. — The Natu- 



