VI CONTENTS. 



Page. 

 Remarks on Salinonidae, on Selachus maximus, on Malachorhynchns membra- 

 naceus, and on Spotted Pigeons. By William Andrews, M. R. I. A., 

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



Remarks on the foregoing Communication, &c. By E. Blyth, • • °' 



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, 90 



On Irish Vespidae. By Richard L. Edgeworth, 96 



On an Abnormal Morphological Development of the Common Snowberry. By 



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



On the Occurrence of Hymenophylhim Tunbridgense (Smith) in the county of 

 Longford, with a List of Stations of Gystopteris fragilis (Bernh.) in the Mid- 

 land Counties. By F. J. Foot, M. A., F. R. G. S. I., Corresponding Member, 106 



On Flights of Swans seen in the counties of Roscommon and Galway, during the 

 Winter of 1863-64. By F. J. Foot, M. A., F.R.G.S. I., Corresponding 

 Member, . 109 



Notes on some Dissections of the Fresh- water Pearl Mussel ( Unio margaritifera). 



By John Barker, M. D., F.R.C.S.I., M.R.I. A., ...... HI 



Report of the Progress made in collecting the Irish Lichens, accompanying a Pre- 

 sentation 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 



Record of the Occurrence, new to Ireland, with Note of a peculiar Condition of 

 the Volvocinaceous Alga, Stephanosphcera pluvialis (Cohn), and Observa- 

 tions thereon. By William Archer. (Plate II.), 151 



On the Occurrence of Spiral Vessels in the Thallus of Evemia prunastri (Ach . ; 



Linn. sp.). By Admiral T. Jones, F.L.S., F.G.S. (Plate II.) ... 177 



Note3 on a supposed New Variety of Orchis latifolia (Linn.), and on Orchis in- 

 carnata, var. extensa (Reichenbach) . By David Moore, Ph.D., F. L. S., 

 M.R.I. A, 180 



Notes on certain Movements of the Limacidae. ByW. Harte, C. E., F. R. G. S. I., 182 



Report from Council, presented 4th November, 1864, 185 



Botanical Notes in the Midland Counties. By F. J. Foot, M. A., F. R. G. S. I., 194 



On Entozoa from some Animals in the Royal Zoological Gardens, Phoenix Park, 



Dublin. By Arthur Wynne Foot, M.B., L.R.C.S. I., 201 



On a Mode of Fissiparous Reproduction observed in Anthea cereus. By Edward 



H. Bennett, M.D., F.R.C.S. I., 208 



Further Observations on Entozoa from some Animals in the Royal Zoological 



Gardens, Phoenix Park. By Arthur Wynne Foot, M.D., . .... 212 



On the Structure of the Eye of the Seal. By Henry Wilson, F. R. C. S. I , . 217 



Notes on Cottus Grcenlandicus. By W. Andrews, M. R. I. A., F. R. G. S. I. . 223 



On some of the Birds inhabiting the Southern Ocean. By Captain F. W. Hutton, 



F.G.S., 227 



On the Occurrence and Geological Relations of certain Ferns in the county of 



Donegal. By W. Harte, C.E., F.R.G.S. I., 247 



Notes on Marine Invertebrata, collected on Portmarnock Strand. By W. H. 



Baily, F.L.S., F.G.S., 251 



Letter from Dr. G. C. Wallich, F. L. S., to William Archer, on the Value of Cha- 

 racters in Protophyta, more especially in Desmidiaceae, 260 



Observations on the Genera Cylindrocystis (Menegh.), Mesotsenium (Nag.), and 

 Spirotsenia (Breb.), ( = Palmoglcea, Kiitz. pro maxima parte), mainly in- 

 duced by a Paper by Dr. J. B. Hicks, F. R. S.,F. L. S., in "Quarterly Journal 

 of Microscopical Science," on the lower Forms of Algae. By William Archer, 261 



Letter from R. H. Scott, M. A, Hon. Sec, Royal Geological Society of Ireland, on 

 a Laurel-Fruit found in a Pheasant's Stomach, supposed to have been the 

 cause of Death, . 278 



Report as to the Progress made in 1865 in the Collection of the Irish Lichens." By 



Admiral T. Jones, F.L.S., F.G.S., 280 



