﻿pteraspid^;. 163 



P. 3242, P. 4218. Two blocks of sandstone with fragmentary shields, 

 and an imperfect specimen, inner aspect ; Cradley. 



Ennislcillen Coll. 



P. 680-1. Anterior half of shield, and block with portions of 

 three specimens, two showing the dorsal spine in position ; 

 Cradley. Egerton Coll. 



43969. Well-preserved portions of disc and dorsal spine, figured by 

 Lankester, op. cit. pi. vi. fig. 6 ; Cradley. 



Purchased, 1872. 



36177, 36186, 36189. Three imperfect shields, about 0*09 in length '> 

 Cradley. Purchased, 1861. 



35978. Portion of disc and dorsal spine, inner aspect, as convex as 

 no. P. 5037 ; near Ludlow. Purchased, 1861. 



45983 a. Portion of disc and dorsal spine ; Whirbatch. 



Lightbody Bequest. 



45963. Much fractured shield ; Targrove, near Ludlow. 



Lightbody Bequest. 



41845. Impression of inner aspect of shield, and portion of dorsal 

 spine; Herefordshire. Purchased, 1869. 



P. 4112. Relatively broad, small disc, probably of this species ; 

 Pandy, near Abergavenny. 



Presented by Dr. D. M. McCullough, 1883. 



45961. Well-preserved fragment of disc, probably of this species; 

 Herefordshire. Lightbody Bequest. 



38035. Disc of a young individual, probably of this species ; 

 Heightington. Purchased, 1864. 



42150. Similar specimen ; (?) Heightington. Baugh Coll. 



42148, 42163. Three orbital plates, either of this species or P. 

 croucJii ; (?) Heightington. Baugh Coll. 



44116. Small specimen showing fragments of the anterior shields, 

 and some of the scales of the caudal region naturally 

 arranged ; Cradley. This fossil is described and figured by 

 E. 11. Lankester in the Quart. Journ. Geol. Soc. vol. xx. 

 (1864), p. 194, pi. xii. figs. 1-4, 6, 7, and subsequently 

 noticed in the " Pishes Old Eed Sandst." pt. i. (Pal. Soc. 

 1868), p. 31, pi. v. figs. 3, 5, 8, as possibly referable to 

 P. crouchi. It is determined to be the dorsal portion of 



m 2 



