148 



DUBLIN UNIVERSITY 



Talitrus locusta, L. 

 Orchestia littorea, L. 



,, la) vis, L. 

 Allorchestes Danai, L. 



,, imbricatus, L. 



Montagua monoculoides, D. 

 Ampelisca typicus, D. 



,, Bellianus, D. 



Dexamine spinosa, L. 

 Lembos Websterii, D. 

 Gammarns locusta, L. 



,, Othonis, D. 



„ pallidus, D. 



,, obtusatus, D. 



Amphitoe rubricata, L. 



Amphitoe littorea, L. 



Ligia occanica, L. 



Philoscia muscorum, L. and T. 



„ Couchii, L. 

 Philougria riparia, T. 



„ rosea, T. 



Oniscus murarius, L and T. 



„ fossor, L. and T. 

 Porcellio scabcr, L. and T. 



„ „ var. marmo- 



ratus, L. & T. 

 Armadillinm vulgare, T. 

 Idotea pelagica, D. 

 „ tricuspidata, L. 



Mr. Bain exhibited a specimen of the "Water Chestnut {Trapa natans); 

 also some plants of Bosstcea Preissii, raised from seeds presented by the 

 Archbishop of Dublin, to whom they had been sent from Australia. 



Mr. E. Burchall exhibited a collection of foreign Lepidoptera from 

 Demerara. 



The Meeting then adjoured to the 21st of June. 



FRIDAY EVENING, JUNE 21, 1858. 



Pkofessok W. H. Harvey, M.D., F.B.S., F.L.S., Vice-President, 

 in the Chair. 



The Minutes of last Meeting having been read, were approved of, and 

 signed by the Chairman. 



The Bev. Eugene O'Meara, A.M., then read the following — 



CONTRIBUTIONS TOWARDS A CATALOGUE OF DIATOMACE^ OF THE COUNTY OF 

 DUBLIN (srECLES OBTAINED AT MALAHIDE AND PORTMARNOCk). 



The author stated that he had been engaged for some years in inves- 

 tigating the Diatomaceous Elora of the county of Dublin. At a previous 

 meeting {vide page 62, ante) he had laid before them a list of fresh- water 

 forms which he had discovered in Lord Powerscourt's demesne, which 



