CONTENTS. VU 



Page 

 The genus Chiton found in the Magnesian Limestone of Durham ; On 

 the Habits of the Godwit; Batarrea phalloides; Meteorological 

 Observations and Table 381 — 384 



NUMBER XCIII. 



XLVII. On the Morphology of the Reproductive System of the Ser- 

 tularian Zoophyte, and its analogy with the Repi'oductive System of 

 the Flowering Plant. By Prof. E. Forbes of King's College, London. 

 (With a Plate.) 385 



XLVIII. On the British DesmidiecB. By John Ralfs, Esq.,M.R.C,S., 

 Penzance. (With a Plate.) 391 



XLIX. Catalogue of Irish Entozoa, with observations. By O'Bryen 

 Bellingham, M.D., Fellow of and Professor of Botany to the Royal 

 College of Surgeons in Ireland, &c. {Concluded.) 39G 



L. Observations on the Organogeny of the Flower, and particularly 

 of the Ovary, in Plants with a free central Placenta. By M. Gaudi- 

 CHAUD 403 



LI. On the species of Chalcidites inhabiting the Arctic Region. By 

 Francis Walker, Esq., F.L.S. {Continued.) 407 



LII. Notice of some additions to the British Fauna discovered by 

 Robert Mac.\ndrew, Esq., during the year 1844. By Professor 

 Edward Forbes of King's College, London. (With a Plate.) 410 



LIII. Descriptions of some new Species of Butterflies in the Collec- 

 tion of the British Museum. By Edward Doubleday, Esq., F.L.S. ... 415 



LIV. Descriptions of some new Species of Coleoptera and Homo- 

 ptera from China. By Adam White, Esq., M.E.S. Lond. and France 422 



New Books : — A History of British Ferns and Allied Plants, by Ed- 

 ward Newman, F.L.S., Z.S. &c. — Faune Ornithologique de la Si- 

 cile, par Alfred Malherbe. — Uber die Verwandlung der Infusorien 

 in niedere Algenfoi-men, von Dr. F. T. Kiitzing. — Annales des 

 Sciences Naturelles for June, July and August 427 — 436 



Proceedings of the Zoological Society ; Entomological Society ; Geo- 

 logical Society 436 — 459 



Capture of Hemipodiiis tachydromus in Britain ; Elafine Hydropiper ; 

 Hura crepitans; Formation of Cells in the Apices of Roots; On 

 the Demerara Pink-root, or Spigelia Anthelmia, by Dr. George 

 R. Bonyun ; Meteorological Observations and Table 459 — 464 



NUMBER XCIV. SUPPLEMENT. 



LV. On the British Desmidiece. By John Ralfs, Esq., M.R.C.S., 

 Penzance. (With a Plate.) 465 



LVI. Catalogue of Irish Entozoa, with observations. By O'Bryen 



