I02 PEOCEEDDfGS OF THE GEOLOGICAL SOCLETT. 



but several examples of attachnient have been observed, chiefly to 

 Ostrea, Radiolites, and species of Cidaris. 



A list showing the range of the species described preceded the 

 actual descriptions of the following kinds of Polyzoa and Forami- 

 nifera, with notes on their relations &c. It included : — 



POLTZOA. 



Stomatopora gracilis, Milne-Edw. Lichenopora, sp, 



Idmonea dorsata, Hagenow. ? paucipora, Vine. 



Entalophora raripora, B' Orb. Dromopora stellata, Goldfuss. 



Jessonii, sp. nov. polytaxis, Hagenow. 



striatopora, sp. noy. Osculipora plebeia, NovaU. 



gigantopora, sp. nov. Truncatula, sp. 



Diastopora cretacea, Vine. Membranipora cantabrigiensis, sp. 



, var. lineata, Tar. nov. nov. 



fecunda, sp, nov. Microporella, sp. (? antiquata). 



megalopora, sp. nov. Lunularia cretacea, Defr. ^^ D'Orh. 



FoEAMISriFEEA. 



Webbina Isevis, Sollas. Trochammina irregularis ?, D* Orb, 

 tuberculata, Sollas. Textularia, sp. 



The following specimens were exhibited : — 



Specimens exhibited by the Eev. A. Irving, F.G-.S., and G. E. 

 Viue, Esq., in illustration of their papers. 



Sand-worn stones from Hokitika. N'ew Zealand, exhibited by 

 W. D. CampbeU, Esq., F.G.S. 



Specimens illustrating the paper lately read by J. H. Collins, 

 Esq., F.G.S., on the Eio Tinto district. 



AprU 29, 1885. 



Prof. T. G. BoMfHT, D.Sc, LL.D., F.E.S., President, in the Chair. 



James Backhouse, Esq., West Bank, York; Percy Bosworth 

 Smith, Esq.; Assoc. E.S.II., Government Mineralogist to the Madras 

 Presidency, Madras ; and James Shipman, Esq., 8 Manning Grove, 

 The Chase, N'ottingham, were elected FeUows of the Society. 



The List of Donations to the Library was read. 



The following communications were read : — 



1. " On the Structure of the Ambulacra of some Fossil Genera 

 and Species of Eegular Echinoidea." By Prof. P. Martin Duncan, 

 M.B. (Lond.), F.E.S., V.P. Linn. Soc, F.G.S. 



