IV INDEX TO PROCEEDINGS OF SOCIETIES. 



Page. 

 Carboniferous system in Ireland, letter from M. A. Brongniart about, . . . .214 



system in Ireland, notes explanatory of the subdivisions of, 135 



Carcinological notes, 151 



Chalk, on Diatoms in, 256 



Clermont, Lord, on the occurrence of the Eared Grebe, 72 



Coal-bed of Leitrim, section across, 225 



Coal-drift in sand near Newcastle, . . • 27 



Colias edusa, occurrence of, in Waterford, 70 



Couch, R. Q., on metamorphosis of Palinurus vulgaris, 250 



Crangon Allmani, a species new to science, 80 



bispinosus, a new Irish species, 153 



Cruoria pellita, a new British Algae, 203 



adhaerens, 203 



Crustacea, distribution of, in Ireland, 62-153 



. podophthalmia of the eastern district of Ireland, 80 



podophthalmia of Gal way marine district, 151 



Cryptogamic growths causing disease, 149 



Descriptions of new genera and species of Naked -eyed Medusae, 242 



Desmidiaceae, catalogue of, found near Dublin, 36 



Diapridae, a new genus and species of, 166 



Diatom aceous forms in chalk, 256 



Diplonema islandica, a species new to science, 247 



Diptera, blanks in the natural history of, 177 



British, list of, of which the earlier stages are more or less perfectly known, 180 



Supplementary note to list, 210 



Dombrain, James R., on the occurrence of the Pastor roseus in Dublin, . . . . 69 



Doyle, J. B., notes on rare Irish birds, 165 



Dublin coast, description of Acalephae of, 175 



Crustacea, supplemental list of, 156 



Dublin Geological Society, accounts, 92 



Anniversary meeting, 91 



Election of members, 22, 89, 98 



Election of Officers, 93 



Ordinaiy meetings, 17, 22, 89, 98, 135, 210, 214 



Members lost by death, 22, 93 



Dublin, His Grace the Archbishop of, on the song of the Butcher-bird, .... 57 



Dublin Natural History Society, accounts, 30 



Anniversary meeting, 1856, 28 



Election of members, 31,70,79,162,166,228 



Election of officers, 31 



Donations to Museum and Library, 73, 88, 230 



Ordinary meetings, 57, 70, 73, 80, 146, 149, 162, 226 



Popular meeting, 79 



Dublin University Zoological and Botanical Association anniversary meeting, 



1856, 1 



Election of members, 11,17,40,56 



Donations to library, 11, 41, 204 



Ordinary meetings, 11,31,36,41,166,176,204 



Members lost by death, 71, 176, 208 



Microscopic conversazione, 40 



Excursions of members, 209 



Du Noyer, G. V., M. R. I. A., on a remarkable variety of Echinus lividus, . . . 227 



Echinus lividus, remarkable variety of, 227 



Elachista Grevillii, a new British Algae, 202 



Embryo state of Palinurus vulgaris, 250 



Entomological notes, ... 31 



