GASTEROPODA. 107 



(1863), pi. xlv, f. 19, 20, p. 102. Forest Marble; Lai/cock. 

 Walton Collection. 



Monodonta comma, J. Lycett, Supp. Men. Moll. Qt. Ool. etc. 

 (186.3), pi. xlv, f. 24, 24 a, p. 101. Forest Marble; Farleigh. 

 Walton Collection. 



M. tegulata, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 

 pi. xlv, f. 17, 18, p. 102. Forest Marble; Laycock. Walton 

 Collection. 



M. waltoni, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 

 pi. xlv, f. 31, 31 a, b, p. 101. Forest Marble; Farleigh. Walton 

 Collection. 



Murchisonia angulata (? Phillips), J. Donald, Q. J. G. S. XLiii 



(1887), pi. xxiv, f. 2, p. 623. Carboniferous Limestone; Settle. 

 Burrow Collection. 



M. cancellatula, F. McCoy, A. M. N. H. ser. 2, x (1852), p. 191, 

 and Contrib. Brit. Pal. (18.54), p. 243, and Brit. Palieoz. Foss. 

 (18.52), pi. i L, f. 20, 20 a, p. 292. May Hill Beds; Mullock 

 Quarry, Dalquharran. 



M. cyclonema, Salter, Cat. (1873), p. 155. Wenlock Limestone; 

 Dudley. Fletcher Collection. 



M. dispar, F. McCoy, A. M. N. H. .ser. 2, xii (1853), p. 191, and 

 Contrib. Brit. Pal. (1854), p. 259, and Brit. PaUeoz. Foss. (1855), 

 pi. iii I, f. 37, 37 a, p. 531. Carboniferous Limestone ; Lotvick. 



M. gyrogonia, F. McCoy, A. M. N. H. ser. 2, x (1852), p. 192, 

 and Contrib. Brit. Pal. (1854), p. 243, and Brit. PaL-eoz. Foss. 

 (1852), pi. i K, f. 43, 43 a, p. 293. Middle Bala; W. of 

 Llanfechan. In the explanation of plate i K, the figured 

 specimen is said to be from Y.spatty Evan. 



M. kendalensis, McCoy, J. Donald, Q. J. G. S. XLiii (1887), 

 pi. xxiv, f. 3, p. 624. M. verneuiliana , De Koninck, var. 

 kendalensis, F. McCoy, Brit. Palaeoz. Foss. (1855), pi. iii h, 

 f. 11, 12, p. 532. Carboniferous Limestone; Kendal. 



M. pulchra, McCoy, var., F. McCoy, Brit. Palieoz. Foss. (1852), 

 p. 294. Bala Beds; Allt-yr- Anker, Meifod, and north of 

 Tremadoc. Llandovery Beds; Mathrafal, and Mullock quarry. 



M. simplex, F. McCoy, A. M. N. H. ser. 2, x (1852), p. 192, and 

 Contrib. Brit. Pal. (1854), p. 244, and Brit. Palaoz. Foss. (1852), 



