146 TRTLOBITA. 



Homalonotus rudis, J. W. Salter, Appendix to F. McCoy, Brit. 

 Palseoz. Foss. (1855), p. v. F. McCoy, ibid. (1851), pi. i E, f. 2 

 0, 20 a, p. 168. Middle Bala; Capel Garmon, Denbighshire. 



H. sedgwicki, J. W. Salter, Mon. Brit. Tril. (1865), p. 107, 

 woodcut 25. Middle Bala; Ravenstone Dale, and Llanwddyn. 



Illaenopsis ? acuticaudata, H. Hicks, Q. J. G. S. xxxi (1875), 

 pi. ix, f. 5, p. 184. Llanvirn Beds; Llanvirn Quarry. Pre- 

 sented by Dr H. Hicks. 



Illaenus (Dysplanus) bowmanni, J. W. Salter, Mon. Brit. Tril. 

 (1867), pi. xxviii, f. 10, p. 185. Dysplanus centrotus, F. McCoy, 

 Brit. Palseoz. Foss. (1851), pi. i E, f. 19, 19 a, p. 173 (from 

 Llanwddyn). Illcenus latus, F. McCoy, A. M. N. H. ser. 2, iv 

 (1849), p. 404, and Contrib. Brit. Pal. (1854), p. 143, and Brit. 

 Pakeoz. Foss. (1851), pi. i E, f. 17, 17 a, p. 172. J. W. Salter, 

 Mon. Brit. Tril. (1867), pp. 186, 215, woodcut 55. H. A. 

 Nicholson and R. Etheridge, jun., Mon. Sil. Foss. Girvan, i, 

 fascic. II (1880), p. 156. Middle Bala; Llanwddyn, and Wrae 

 Quarry, near Broughton. 



I. hughesi, H. Hicks, Q. J. G. S. xxxi (1875), pi. ix, f. 7, p. 184. 

 Llanvirn Beds ; Llanvirn Quarry. Presented by Dr H. Hicks. 



/. latus, v. Illsenus bowmanni. 



I. (Panderia) lewisi, J. W. Salter, Mon. Brit. Tril. (1867), pi. xxvi, 

 f. 2, 2 a, b, p. 183. Bala Limestone; Moelydd, Oswestry. 

 Presented by the Rev. D. P. Lewis, M.A. 



I. rosenbergi, Eichwald, F. McCoy, Brit. Palaeoz. Foss. (1851), 

 pi. i G, f. 33-35, p. 172. J. W. Salter, Mon. Brit. Tril. (1867), 

 pi. xxix, f. 2, 3, 4, p. 199. Coniston Limestone; Sunny Brow, 

 Coniston. 



I. (Dysplanus) thomsoni, J. W. Salter, Mon. Brit. Tril. (1867), 

 pi. xxx, f. 10, p. 188. Llandovery Beds ; Mulloch, Girvan. 



I. (Bumastus) sp., J. W. Salter, Mon. Brit. Tril. (1883), p. 215, 

 woodcut 57, and Cat. (1873), p. 54. Middle Bala; Mynydd 

 Fron Frys, Chirk. 



Isotelus laticostatus, v. Asaphus radiatus and A. laticostatus. 



Lichas anglicus (Beyrich). L. bucklandi, T. W. Fletcher, Q. 

 J. G. S. vi (1850), pi. xxvii, f. 2, 3, 3 a, xxvii bis, f. 1, 1 a, 

 p. 235. Wenlock Limestone ; Dudfay. Fletcher Collection. 



