48 The Irish Naturalist. March, 



Staffordshire. 



Loc. — Park lime-pits, Walsall. Assoc. — P. casertanum, P. nitidiim, P. 

 milium, J\ subtyuyicatiim and P. hensloivanin}?. I^emarks — " Old 

 workings (in Wcnlock Shale), about 2 acres in extent, into which the 

 water broke through many years ago. Not much vegetation." — H.O. 



Loc. — Pool in Gt. Barr Park, near Walsall. Coll. — H.O., Nov., 191 1. 

 Assoc. — P. nitiditm, P. milium and P. henslowanum. Remarks — 

 Mr. B. B. Woodward has referred these to P. ohtusale. See Cat., p. 124. 



Cheshire. 



Loc. — Baguley ]\Ioor. Coll. — CO., Oct., 1894. [Also J. W. Jackson, 

 March, 1902J. Remarks — " B.B.W., Cat., p. 55, refers these to P. 

 personatum, but in Nov., 191 7, when I submitted them to him again, 

 he agreed that they were P. hibernicum." — CO. PI. II., figs. 11, 12. 



Lancashire. 



Loc. — Ditch, Haweswater, Silverdale. Coll. — J. W. Jackson, iNIay, 1904. 



Loc. — Haweswater, Silverdale. Coll.— J. W. Jackson, 1909. Assoc. — 



P. nitidum, P. milium, P. subtruncatum, P. lilljeborgi and P. obtusale. 



[No specimens have been seen from Scotland.] 



EX-BRITANNIC RECORDS FOR P. HIBERNICUM. 



Mr. B. B. Woodward, Cat., p. 119, records this species from the Takern 

 See, Ostergotland, Sweden ; while we have seen several specimens 

 from Tonset, Norway, in the Schlesch collection of the Hull Municipal 

 Museum. 



IRISH FOSSIL RECORDS FOR P. HIBERNICUM. 



Clare. 



Loc. — In shell-marl from bank of River Fergus, near Ennis. Coll. — 

 R.A.P., April, 191 7. Alt. — About sea-level. Assoc. — P. caser- 

 tanum, P. nitidum, P. milium and P. obtusale. Remarks — These 

 shell-marls are post-Glacial, and the uppermost beds possibly date 

 from what is known as the " climatic optimum." 



Loc. — In shell-marl from near Corrofin. Coll. — R.A.P., June, 191 7. 

 Assoc. — P. nitidum, P, milium, and P. obtusale. 



Down. 



Loc. — In shell-marl, and peat above same, White Bog, Killough. Coll. — 

 A.W.S., 1912-1917. Alt. — 30 ft. Assoc. -P. casertanum, P. nitidum, 

 P. milium, P. subtruncatum, P. lilljeborgi and P. obtusale. Remarks — 

 Occurs in the marl from the oldest to the uppermost layers, as well 

 fis in pockets of marl in the overlying peat, 



