CONTENTS OF YOL. IV. 



Page. 



Report from Council, presented November 21, 1862, 1 



On the Occurrence of Cystopterisfragilis, and of Digitalis purpurea on Limestone, 



both near Athlone. By F.J. Foot, M. A., 2 



Record of the Occurrence of Cystopteris fragilis near Dublin. By Wm. Archer, 2 

 On the Winter Migration of the Pomarine Skua, and on the Occurrence of the 



Bridled Guillemot and of the Fulmar. By Robert Warren, Jun., ... 3 



Observations on Mr. Warren's foregoing Paper. By Professor J. R. Kinahan, 



M.D., 7 



On the Occurrence of Merlangus albus, new to Irish Ichthyology. By William 



Andrews, M. R.I. A., President, 9 



An Endeavour to identify Palmoglcea macrococca (Kiitz.), with Description of the 



Plant believed to be meant, and of a New Species, both, however, referrible 



rather to the genus Mesotamlum (Nag.'), (Plate I.). By William Archer, . 12 

 Obituary Notice of Professor J. R. Kinahan, M.D, By the President, . . 33 

 Occasional Notes on the Occurrence of Birds on the Shores of Killala Bay. 



No. II. The Little Auk. By Robert Warren, Jun., 38 



Record of the Occurrence of the Little Auk taken alive at Athlone. By F. J. 



Foot, M. A., 38 



Letter on the Occurrence of Skuas and other Birds on the Kerry Coast, from 



J. C. Neligan, 39 



Notes on the Dissection of some Animals from the Zoological Gardens. By 



A.W.Foot,M. B., 42 



Record of the Occurrence in the county of Wexford of the American Bittern, in 



December, 1862. By R. P. Wilfiams, M. R. I. A., 49 



Description of a New Species of Cosmarium (Corda), and of Penium (Breb.). 



(Plate I.)- By William Archer, 49 



Remarks on the Salmonidse. By William Andrews, M.R.I. A., President,. , 53 

 On a Peculiar Form of Asplenium Ruta-muraria (with two Woodcuts). Bv 



F. J. Foot, M. A., 58 



Record of the Occurrence of Poly podium Phegopteris (Linn.) in the Neighbour- 

 hood of Dublin. By William Archer, 60 



On the Sea-Louse of the Baltic (with a Woodcut). By the Rev. Samuel Haugh- 



ton, M.D.,F.T.C.D., .61 



Occasional Notes on the Occurrence of Birds at Killala Bay. No. III. By Ro- 

 bert Warren, Jun., 62 



Description of a New Species of Cosmarium (Corda), and Arthrodesmus (Ehr.). 



(Plate I.). By William Archer, 66 



Report from Council, presented Gth November, 1863, 71 



Natural History Notes. By George Henry Kinahan, G.S.I., Corresponding 



Member, 77 



Observations on Micrasterias Muhabuleshivarensis (Hobson), and on Docidium 



pristidcB (Hobson). By William Archer. (Plate II.), 78 



Description of a New Species of Docidium (Bre'b.), from Hong-Kong. By Wm. 



Archer. (Plate II.), . 84 



b 



