EURYPTERIDA. 153 



EURYPTERIDA. 



Eurypterus cephalaspis (Salter), J. W. Salter, Appendix to 

 F. McCoy, Brit. Palseoz. Foss. (1855), p. v. F. McCoy, ibid. 

 (1851), pi. i E, f. 21, p. 175. Upper Ludlow ; Kirkby Moor, 

 Kendal. 



Bellinurus? sp., F. McCoy, Brit. Pakeoz. Foss. (1851), pi. i E, 

 f. 12. H. Woodward, Mon. Merostomata (1878), p. 238. Hemi- 

 aspis aculeatus, Salter, Cat. (1873), p. 178. Upper Ludlow; 

 High Thorns, Underbarrow. 



Hemiaspis aculeatus, v. Bellinurus ? sp. 



Leptocheles leptodactylus, v. Ceratiocaris leptodactylus. 



Pterygotus leptodactylus, v. Ceratiocaris robusta, and C. lepto- 

 dactylus. 



Pterygotus problematicus, Agassiz, J. W. Salter, Q. J. G. S. 

 vin (1852), pi. xxi, f. 1 a, b, 2 a, b, p. 386. Upper Ludlow; 

 Hagley Park ; Herefordshire. Strickland Collection. 



ISOPODA. 



Palsega carter!, H. Woodward, G. M. vn (1870), pi. xxii, f. 4, 

 p. 496. Cambridge Greensand; Cambridge. 



P. m'coyi, J. Carter, G. M. dec. in, vi (1889), pi. vi, f. 17, 

 p. 193. Cambridge Greensand; Cambridge. 



DECAPODA. 



Archaeocarabus bowerbanki, F. McCoy, A. M. N. H. ser. 2, iv 

 (1849), p. 174, and Contrib. Brit. Pal. (1854), p. 129. London 

 Clay; Sheppey. 



Dromilites lamarcki (Desmarest). Basinotopus lamarcki, F. 

 McCoy, A. M. N. H. ser. 2, iv (1849), p. 168, and Contrib. 

 Brit. Pal. (1854), p. 123. London Clay; Sheppey. 



