TRILOBITA. 147 



Lichas barrandei, T. W. Fletcher, Q. J. G. S. vi (1850), pi. 

 xxvii, f. 10, xxvii bis, f. 5, p. 238. Wenlock Limestone; 

 Dudley. Fletcher Collection. 



L. bucklandi, v. Lichas anglicus. 



L. grayi, T. W. Fletcher, Q. J. G. S. vi (1850), pi. xxvii, f. 8, 

 xxvii bis, f. 3, 3 a, b, p. 287. Wenlock Limestone; Dudley. 

 Fletcher Collection. 



L. hirsutus, T. W. Fletcher, Q. J. G. S. vi (1850), pi. xxvii, f. 6, 

 6 a, 7, 7 a, xxvii bis, f. 2, 2 a, p. 236. Wenlock Limestone; 

 Dudley. Fletcher Collection. 



L. laciniatus, Dalman. Z. subpropinqua, F. McCoy, Brit. 

 Pala?oz. Foss. (1851), pi. i F, f. 17, 17 a, p. 150. Goniston 

 Limestone ; Goniston. 



It. noduloEnis, J. W. Salter, Appendix to F. McCoy, Brit. Palseoz. 

 Foss. (1855), p. iv. Trochurns nodulosiis, F. McCoy, ibid. (1851), 

 pi. i F, f. 16, p. 151. Middle Bala; Pont-y-Glyn-Diffxuys, 

 Gorwen. 



L. salteri, T. W. Fletcher, Q. J. G. S. vi (1850), pi. xxvii, f. 9, 9 a, 

 p. 237. Wenlock Limestone; Dudley. Fletcher Collection. 



L. scutalis, V. Lichas verrvicosiis. 



L. subpropinqua, v. Lichas laciniatus. 



It. verrucosus (Eichwald). L. scutalis, Salter, Cat. (1873), p. 130. 

 Wenlock Shale ; Malvern. Fletcher Collection. 



Microdiscus punctatus, H. Hicks, Q. J. G. S. xx (1864), pi. xiii, 

 f. 11 c, p. 237. Menevian Beds; Porth-y-rhaw, St Davids. 

 Presented by Dr H. Hicks. 



M. sculptus, H. Hicks, Q. J. G. S. xxvii (1871), pi. xvi, f. 9, 10, 

 p 400. Harlech Beds; Headland, near Nun's Well, St Davids. 

 Presented by Dr H. Hicks. 



Neseuretus ? elongatus, H. Hicks, Q. J. G. S. xxix (1873), 

 pi. iii, f. 2, 3, p. 45. Tremadoc Beds ; Trenuienhir. Presented 

 by Dr H. Hicks. 



N.? elongatus, Hicks, var. obesus, H. Hicks, Q. J. G. S. xxix 



(1873), pi. iii, f. 4. Tremadoc Beds; Ramsey Island. Presented 

 by Dr H. Hicks. 



10—2 



