PROC. CONCH. SOC. GREAT BRITAIN & IRELAND. l8l 



H. CartJuisiana, Lewes, H. hybrida, Faversham, H. hyhrida, 

 Bilton near Bath, H. palliata, Say, East Tennessee, H. ligera^ 

 Lock Haven, Penn. [Mr. J. W, Taylor. 



Valvata tricarinata, Say, Erie Canal, New York, Bythinia 

 tefitaculata, Pond, Alum Rock, near Birmingham. 



[Mr. Wm. Nelson. 



Alexia meridionaUs, Semaphore, South Australia, Elenchns 

 iriodojites, Semaphore, South Australia, Succinea strigata, Manoora, 

 South Australia, Claiisilia paiviila^ Friburg, Triodopsis Jdrsuta, 

 Say, Hamilton Co., Ohio, Limnaa stagnalls van fragilis, Folke- 

 stone. [Mr. J. W. Taylor. 



NORWEGIAN MARINE MOLLUSCA. 



Mr. John W. Taylor exhibited a number of shells taken off 

 the Norwegian coast by the Rev. A. Merle Norman, M.A., 

 including the following: — Lcda j-eruula, 120 f, N. ofBukkar; 

 Area nodidosa, 80 f ; Dentaiiiuji abyssonnn, 375 f., Oster Fiord; 

 and Cylichna alba, 180 f. Kors Fiord. 



GUNDLACHIA discovered in TASMANIA. 



Mr. Taylor also exhibited Gu?idlachia Fetferdt, Johnst, 

 discovered in Tasmania recently by Mr. Petterd. The genus 

 had only previously been known as an American one, several 

 species having been described by various authors. [Seey. C ii. 



P- 137]- 



VARIATION OF COLOR IN ANIMAL OF PLANORBIS CORNEUS. 



Mr. William Nelson showed specimens of a remarkable 

 variation in the color of the animal of Plauorbis corneits, found 

 near Leeds. [See Mr. Nelson's note at page 150 of the present 

 volume.] 



A variety of COCHLICOPA TRIDENS new to BRITAIN. 



Mr. John W. Taylor reported the discovery of a variety of 

 C. tridens new to Britain, the var. Alzenensis, St. Simon, dis- 

 tinguished from the type by the presence of two additional 

 denticles deeply seated on the palatal margin; the specimens 

 were found at Dorridge, near Knowle, by Mr. Nelson. 



