CONTENTS OF VOL. XVI. 



[THIRD SERIES.] 



NUMBER XCI. u 



Page 



I. Descriptions of new Genera and Species of Diatoms from Hong- 

 kong. By R. K. Greville,LL.D., F.R.S.E. &c. (Plate V.) 1 



II. Notes on British Lichens. By the Rev. W. A. Leighton, 

 B.A., F.B.S.E. (Plate IV.) 8 



III. On the Gland of the Phyllodiura of Acacia magnifica. By 



the Rev. W. A. Leighton, B.A., F.B.S.E 12 



IV. On the Nomenclature of the Foraminifera. By Messrs. 

 W. K. Parker, F.R.S., T. R. Jones, F.G.S., and H. B. Brady, 

 F.L.S., F.G.S. (Plates L, II., III.) 15 



V. On JEgeon Alfordi, a new British Sea- Anemone. By Philip 

 Henry Gosse, F.R.S. (Plate VII.) 41 



VI. On the Presence of certain Secreting Organs in Nematoidea. 

 By Alexander Macalister, F.R.C.S.I., Demonstrator of Ana- 

 tomy, Royal College of Surgeons, Ireland 45 



VII. Description of a new Species of Corvina from the Gambia. 



By Dr. Albert Gunther 48 



Proceedings of the Zoological Society 49 — 65 



On the Pollen-grains of Ranunculus arvensis, by George Gulliver, 

 F.R.S. ; On the Feathers of Dinornis robustus, Owen, by W. S. 

 Dallas, F.L.S., Keeper of York Museum ; On the Metamorphoses 

 undergone by certain Fishes before acquiring the Adult Form, 

 by Prof. Agassiz ; Description of the Egg of Parra gallinacea, 

 by John Gould, F.R.S. &c; On a new Form of Brachiolaria, by 

 M. Sars ; Investigation of the Structure of the Encephalon of 

 Fishes, and of the Ilomological Signification of its different parts, 



