66 The Irish Naturalist. 



Hyalinia alliaria, Miller. 



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



Considerable interest is attached to this species, as it has most probably 

 originated somewhere in the British Islands, where it is one of the most 

 common Hyalinia, while, except in a few isolated localities in Northern 

 Germany, Denmark, and Southern Sw^eden, it is unknown in other por- 

 tions of the globe. 



(Hyalinia gflabra, Studer.) 



This species has been recently recorded from Co. Monaghan (lo), but 

 as no Irish collector has ever found a specimen, and some doubt seems 

 still to prevail whether this species occurs in Great Britain, I venture to 

 think that I may be justified in excluding it at present from the list of 

 species inhabiting Ireland. 



Hyalinia nitidula, Drap. 

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



Many continental conchologists look upon H. niiens, Mich., as a distinct 

 form, but it seems to me to be only a somewhat larger variety of the 

 above. Both forms occur commonly in Ireland. 



Foreign Distribution. — Commonly distributed in Great Britain, 

 Southern, Western, Central, and Northern Continental Europe, as far 

 north as Southern Sweden. 



Hyalinia pura, Alder. 

 — II. — IV. V. — VII. — — X. — XII. 



This species is rather rare in Ireland. It is found in the Wicklow 

 mountains and on Howth Hill, and I have also taken it at Renvyle in 

 Connemara, and at Cultra in Co. Down. Mr. Waller (i6) records it from 

 Finnoe, Co. Tipperary. 



Foreign Distribution. — Great Britain and Continental Northern, 

 Central, and Southern Europe. In the Alps up to 7,000 feet. 



Hyalinia radiatula, Alder. 

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



Like the preceding, this is a rare species; but it has been taken in most 

 parts of Ireland, Thompson (15) has met with it in several localities 

 throughout Down and Antrim; Waller (16) reported it from Tipperary^; 

 and Milne (10) from Donegal and Fermanagh. I found it at Greystones 

 (Co. Wicklow), Howth (Co. Dublin), Renvyle (Co. Galway), and GlengarifF 

 (Co. Cork). 



Foreign Distribution. — This is no doubt a very ancient species. It 

 has been recorded from a number of places in Great Britain, and it ranges 

 over nearly the whole of Europe and the Caucasus, also Siberia and North 

 America, as far South as the Gulf of Mexico. (In America it is known as 

 Zonites viridulus, Meuke.) 



Hyalinia crystallina, Miiller. 



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



This is equally common on the west and east coasts, as well as inland. 



Foreign Distribution. — Ranges over Great Britain^ and the rest of 



Europe, with the exception of the south-east, and is found on the Azores. 



