CONTENTS. Vll 



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. 



XL VII. On the Morphology of the Reproductive System of the Ser- 

 tularian Zoophyte, and its analogy with the Reproductive System of 

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

 (With a Plate.) 385 



XLVIII. On the British Besmidiece. 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.) 396 



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 



LI I. Notice of some additions to the British Fauna discovered by 

 Robert Mac Andrew, 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 Algenformen, 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 Hemipodius tachydromus in Britain ; Elatine Hydropiper ; 

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

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

 R. Bonyun ; Meteorological Observations and Table 459 — 464 



NUMBER XCIV. SUPPLEMENT. 



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

 Penzance. (With a Plate.) 465 



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



