The Irish Land a7id Freshwater Mollusca. 137 



Vertigfo angustior, JefF. 

 I. — — — — VI. — VIII. IX. — IX. XII. 



Like the last, this species is very rare in Ireland. It also was found at 

 Bundoran with the preceding species by Mr. Praeger. 



Foreign Distribution. — North England and Scotland, south Scan- 

 dinavia, Germany, France, Switzerland, north Italy, Austria, Transyl- 

 vania, and south Russia. 



Genus— BALEA. 



Balea perversa, Iv. 



I. — — IV. V. - VII. — IX. X. XI. XII. 



This species abounds especially in the wooded parts of Ireland. 



Foreign Distribution. — Great Britain, Scandinavia, Finland, Ger- 

 many, Switzerland, Austria, Italy, Sicily, France, Spain, Portugal, Azores, 

 and Madeira. 



Genus— CLAUSILIA. 



Clausilia laminata, Mont. 

 — — — — — — VII. — — X. — — 



Mr. Warren was the first to find this large Clausilia in Co. Cavan. Its 

 range was somewhat extended bj- Thompson (15), but still it has never 

 been taken outside a very limited area, in central Ireland. 



Foreign Distribution. — Great Britain, south Scandinavia, Finland, 

 German}', south Russia, Austria, Transylvania, Greece, Switzerland, Italy, 

 and France. 



Clausilia "bidentata, Strom. 



I. II. III. IV. V. — VII. VIII. IX. X. XI. XII. 



Prof Bottger, the highest authority on the genus Clausilia, pointed out 

 to me that the species known to British conchologists under the name of 

 C. rugosa, Drap., is identical with C. hidentata, Strom, which name has the 

 priority. It is an extremely common species throughout Ireland. 



Foreign Distribution. — Great Britain, Scandinavia, Finland, 

 Austria, Italy, Sicily, France, Spain and Portugal, 



Genus— SUCCINEA. 



Succinea putris, L. 



I. II. — IV. V. — VII. VIII. IX. X. — XII. 



Among rushes along the banks of streams and ponds this species has 

 been met with in most parts of the country. 



Foreign Distribution.- Great Britain, throughout continental 

 Europe, Thibet, Turkestan, and Siberia, while closely allied species are 

 found in North America and Greenland. 



Succinea elegans, Risso. 

 I. _ III. — V. VI. VII. VIII. IX. X. — — 



All the specimens of this species which I examined belong to what is 

 known by continental conchologists as S. jifcifrri, Rossm., but as no 

 differences seem to have been observed in the anatomy between it and 

 S. elegans, we may regard the former as a variety of the latter. 



Foreign Distribution.— England and Wales, Scandinavia, Finland, 

 Russia, Transylvania, Caucasus, Turkey, Italy, Sicily, France, Germany, 

 Switzerland, Spain, Portugal, Algiers, Siberia, and a closely allied 

 species, aS'. ovalis, in North America. 



