162 Proceedings of the Royal Physical Society. 



III. A List of Land and Freshwater Shells found in the County of 

 Caithness. By Charles William Peach, Esq., Wick. 



In 1861 Mr A.. G. More, of Bembridge, in tbe Isle of 

 Wight, informed me that he was collecting materials for 

 illustrating the British Land and Freshwater Mollusca, 

 according to the method employed by Mr H. C. Watson, in 

 his " Cybeje Britannica," and asking for information about 

 Caithness, it being included in his Province 17. He then 

 was " only able to enter a single shell, Alasmodon margarati- 

 fera? Although I had then paid very little attention to the 

 subject, I had picked up a few specimens whenever they 

 came in my way, and put them away for those who might 

 want them. At once I turned over my hoards and made 

 out a list. Not contented with merely sending this, I for- 

 warded many of the shells, and thus, instead of " only one," 

 he had seventeen to place in his " Province 17." I have con- 

 tinued to gather, and now, as may be seen by the accom- 

 panying list, we have thirty species. In order that I might 

 speak with certainty, I have asked authorities to examine 

 all the specimens for me. Foremost, Mr J. G. Jeffreys, of 

 London, the author of the valuable work the " British Con- 

 ehology," vol. i., 1862, used to name and arrange the list by, 

 has seen the shells; the Kev. Mr Norman, the slugs. Mr 

 More has also seen many of the shells. I feel under great 

 obligations for their prompt and kind assistance. With the 

 exception of Helix ericetorum, I have found all in the parish 

 of Wick ; many of them have been found as well in different 

 parts of the county. My examination has not been a very 

 strict one, nor very extended, for a great part of the county 

 I have never been in, especially inland, where additions may 

 be most expected. The last summer I added two species of 

 freshwater shells to the list, and as well confirmed three or 

 four others of which I had before only doubtful specimens. 



I have hopes of assistance from others, for Miss Gunn of 

 Reisgill, Mr Shearer of Ulbster, and Mr Anderson, of the 

 " John o'Groat Journal " here, have entered on the pursuit 

 successfully ; and although at present they have added no 



