36 ASTEROIDEA. 



Pentagonaster rectilineus (McCoy). Goniaster (Goniodiscus) 

 rectilineus, F. McCoy, A. M. N. H. ser. 2, n (1848), p. 408. 

 Contrib. Brit. Pal. (1854), p. 55. Upper Chalk; Norwich. 



Plumaster ophiuroides, T. Wright, Brit. Foss. Echinod. Oolit. 

 II (1863), pi. v. f. 1 a, b, p. 112. Middle Lias; near Skinnin- 

 grave Bay, Yorkshire. (This is the locality given by Dr 

 Wright, but the specimen is labelled Lower Lias, Robin Hood's 

 Bay.) Leckenby Collection. 



Uraster carinatus, T. Wright, Brit. Foss. Echinod. Oolit. n 

 (1863), pi. ii, f. 1, p- 101. Middle Lias (Marlstone) ; Boulby, 

 Yorkshire. Leckenby Collection. 



Uraster hirudo, v. Palaeaster hirudo. 



U. primcevus, v. Palaeasterina primseva. 



U. ruthveni, v. Paloeaster ruthveni. 



OPHIUROIDEA. 



Ophioderma carinata, T. Wright, Brit. Foss. Echinod. Oolit. 

 ii (1866), pi. xvi, f. 1 a, b, p. 148. Middle Lias (Marlstone) ; 

 Staithes. Leckenby Collection. 



Ophiolepis leckenbyi, T. Wright, Brit. Foss. Echinod. Oolit. ii 

 (1880), pi. xix, f. 3 a, b, p. 160. Inferior Oolite (Grey Lime- 

 stone) ; near Scarborough. Leckenby Collection. In the expla- 

 nation of the plate, this specimen is erroneously stated to be 

 in Dr Wright's collection. Fig. 3a is said to be of the natural 

 size, but is magnified two diameters. 



Ophiura salteri, v. Protaster salteri. 



Protaster petri, Salter, Cat. (1873), p. 47. Middle Bala ; Bala. 

 Presented by the Rev. J. Peters. 



P. salteri (Forbes), J. W. Salter, A. M. N. H. ser. 2, xx (1857), 

 p. 332, and Appendix to A. C. Ramsay, Geol. North Wales 

 (1866), pi. xxiii, f. 3, 3 a, p. 289, and ibid, second edition (1881), 

 p. 480, and Cat. Camb. Sil. Foss. (1873), p. 46. Ophiura 

 salteri, Q. J. G. S. I (1845), p. 20 (table). Middle Bala; 

 Pen-y-gair, Cerrig-y-Druidion. 



