﻿1CHTIIY0D0RTTLTTES. 99 



P. 2534. Spine figured by J. W. Davis, loc. cit. pi. xlii. fig. 1: Bristol. 



Ennislcillen Coll. 



P. 3113-16. Three imperfect spines, and a fragment of the base of 

 another bearing Agassiz's MS. label : Bristol. 



Ennislcillen Coll. 



P. 4201. Polished fragment ; Bristol. Enniskillen Coll. 



P. 2224. Three imperfect spines ; Bristol. Egerton Coll. 



41082. Polished fragment : Bristol. 



Presented by J. J. Bennett, Esq., 1868. 



The following specimens appear to differ from the foregoing only 

 in their smaller size : — 



P. 495, P. 2225. Imperfect terminal half of exserted portion of 

 spine, being one of the type specimens of C. tenuistriatus 

 figured by Agassiz, torn. cit. pL iii. fig. 7 ; Bristol. The 

 other portion of this fossil is in the Bristol Museum. 



Egerton Coll. 



P. 3109. Spine assigned to C. tenuistriatus by J. W. Davis, loc. cit. 

 pi. xliii. fig. 1 ; Bristol. Ennislcillen Coll. 



P. 3110. Half of spine in lougitudinal section, polished, and labelled 

 in Agassiz's handwriting thus : — " Probablement le rayon 

 des dents nominees Psammodus porosus, decrit sous le 

 nom de Ctenacanthus tenuistriatus, Ag." ; Bristol. 



Ennislcillen Coll. 



P. 2522. Fragment ; Bristol. Ennislcillen Coll. 



22665. Basal half of spine ; Bristol. Purchased. 



P. 2523. Type specimen of Ctenacanthus salopiensis, J. W. Davis ; 

 Oreton, Shropshire. Enniskillen Coll. 



42238. Short stout spine ; Oreton. Baugh Coll. 

 P. 213. Spine, imperfect distally ; Oreton. Weave?'- Jones Coll. 

 42233. Several fragments ; Oreton. Baugh Coll. 

 36466. Fragment ; Oreton. Presented by G. E. Roberts, Esq., 1862. 



42239. Fragment, with very large anterior longitudinal ridges, 



probably assignable to C. major ; Oreton. Baugh Coll. 



n2 



