104 GASTEROPODA. 



f. 4, p. 283. Cambridge Greensand ; Cambridge. Presented 

 by J. Carter, Esq. 

 Galericulus altus, v. Crepidula alta. 



Holopea striatella (Sowerby). Trochus constrictus, F. McCoy, 

 A. M. N. H. ser. 2, vn (1851), p. 50, and Contrib. Brit. Pal. 

 (1854), p. 185, and Brit. Palaeoz. Foss. (1852), pi. i K, f. 41, 

 p. 296. Middle Bala ; Bryn-melyn quarry, near Bala. 



Holopella duplisulcata, G. F. Whidborne, G. M. dec. 3, vi 

 (1889), p. 30, and Devonian Fauna S. Eng. (1891), pi. xviii, 

 f. 12, 12 a, b, p. 227. Devonian; Lummaton. Presented by 

 the Rev. G. F. Whidborne, M.A. 



H. gracilior, F. McCoy, A. M. N. H. ser. 2, vn (1851), p. 47, 

 and Contrib. Brit. Pal. (1854), p. 182, and Brit. Palaeoz. Foss. 

 (1852), pi. i K, f. 33, p. 303. ?Ludlow Beds; Linos Bran, 

 Llangollen. 



H. intermedia, F. McCoy, A. M. N. H. ser. 2, vn (1851), p. 47, 

 and Contrib. Brit. Pal. (1854), p. 182, and Brit. Palseoz. Foss. 

 (1852), pi. i L, f. 16, p. 304. Lower Ludloiu ; High Thorns, 

 Underbarrow. 



H. monile, F. McCoy, A. M. N. H. ser. 2, vn (1851), p. 48, and 

 Contrib. Brit. Pal. (1854), p. 183, and Brit. Palseoz. Foss. (1852), 

 pi. i K, f. 32, 32 a, p. 304. Middle Bala ; Selattyn Road, near 

 Chirk. 



H. tenuicincta, F. McCoy, A. M. N. H. ser. 2, vm (1851), p. 408, 

 and Contrib. Brit. Pal. (1854), p. 230, and Brit. Palseoz. Foss. 

 (1852), pi. i L, f. 17, 17 a, p. 304. May Hill Beds; Mullock, 

 Girvan. 



H. tenuisulcata, Sandberger, G. F. Whidborne, Devonian Fauna 



S. Eng. (1891), pi. xvii, f. 20, 20 a, p. 225. Devonian; 



Lummaton. 

 Kilvertia pulchra, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. 



(1863), pi. xli, f. 12, 12 a, p. 94. Forest Marble; Laycock. 



Walton Collection. 

 Littorina (Trochus) biserta, Phillips, W. H. Hudleston, G. M. 



dec. 3, i (1884), pi. viii, f. 9 a, b, c, p. 248. Dogger Series; 



Blue Wyke. Leckenby Collection. 



