CONTENTS. 



Page. 



.1. Report from Council, presented 6th November, I860, 71 



2. Natural History Notes. By George Henry Kinahan, G. S. L, Cor- 

 responding Member, 77 



3. Observations on Micrasterias Mahabuleshwarensis (Hobson), and on 

 Docidium pristidce (Hobson). By William Archer. (Plate II.), 78 



4. Description of a New Species of Docidium (Breb.), from Hong-Kong. 

 By William Archer. (Plate. II.), 84 



5. Remarks on Salmonidas, on Selachus maximus, on Malachorhynchus 

 membranaceus , and on Spotted Pigeons. By William Andrews, 

 M.R. LA., F.R. G.S. I., President, 85 



6. Remarks on the foregoing Communication, &c. By E. Blyth, . . 87 



7. On the Death of the Lion and Ostrich in the Royal Zoological Gardens 



of Dublin. By the Rev. Samuel Haughton, M. D., F. R. S., 

 Member of Council of the Royal Zoological Society of Ireland, r . 90 



8. On Irish Vespidaa. By Richard L. Edgeworth, 96 



9. On an Abnormal Morphological Development of the Common Snow- 



berry. By Alexander Macalister, L. K. Q. C. P., L. R. C. S. L, 104 



10. On the Occurrence of Hymenophyllum Tunbridgense (Smith) in the 



County of Longford, with a List of Stations of Cystopteris fragilis 

 (Bernh.) in the Midland Counties. By F. J. Foot, M. A., F. R. G. S. I., 



Corresponding Member, 106 



IL On Flights of Swans seen in the Counties of Roscommon and Galwav, 

 during the Winter of 1863-64. By F. J. Foot, M. A., F. R. G. S. 1, 

 Corresponding Member, 109 



12. Notes on some Dissections of the Fresh-water Pearl Mussel ( Unio mar- 



garitifera). By John Barker, M. D., F. R. C. S. I., M. R. I. A., . Ill 



13. Report on the Progress made in collecting the Irish Lichens, accompa- 



nying a Presentation to the Natural History Society of a complete 

 Series of Specimens of those hitherto collected, &c. &c. By Admiral 

 Theobald Jones, F. L. S., F. G. S., 114 



11. Record of the Occurrence, new to Ireland, with Note of a peculiar Con- 



dition of the Volvocinaceous Alga Stephanosphcera pluvialis (Cohn), 

 and Observations thereon. By William Archer. (Plate IL), .151 



1 5. On the Occurrence of Spiral Vessels in the Thallus of Evernia prunastri 



(Ach. ; Linn. sp.). By Admiral T. Jones, F.L.S., F. G. S. (PL IL), 177 

 I 16. Notes on a Supposed New Variety of Orchis latifolia (Linn.), and on 

 Orchis incarnata, var. exlensa (Reichenbach). By David Moore, 

 Ph.D., F. L.S..M.R.I.A., . 180 



17. Notes on certain Movements of the Limacidse. By William Harte, 



C.E.. F.R. G.S. I., '. . , 182 



Annua! General Meeting ; Council and Officers for 1863-4, .... 71 



Donations to Museum, 76,114 



Appendix, vii-xx 



Societies to which Part I. of Vol. IV. of the " Proceedings" has been sent, vii 



Publications of other Societies received, ix 



Publications received from Private Individuals, xiii 



Publications received from Public Institutions, xv 



List of Members of the Natural History Society of Dublin, . . . . ib. 

 Treasurer's Account (1st Nov. 1865), xx 



£-gT English and Foreign Societies which have not yet entered into a mutual 

 exchange of Publications are respectfully invited to do so. The Address 

 is—Natural wfstory Society o^BublJ". T^oral Irish Academy Home 

 Dawsort-street, Dublin. 



For more detailed suggestions as to Address, and the mode of transit, vide Appen- 

 dix to Part I. of Vol. IV. (1862-64), page i. 



Dublin : Printed at the Unirersitv Press, hv M. H". fiir.r.. 



