ICHTHY0D0RT7LITES. 
99 
P. 2534. Spine figured by J. W. Davis, loc. cit. pi. xlii. fig. 1; Bristol. 
Enniskillen Coll. 
P. 3113-16. Three imperfect spines, and a fragment of the base of 
another bearing Agassiz's MS. label ; Bristol. 
Enniskillen 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, tom. cit. pi, 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. Enniskillen 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, deerit sous le 
nom de Ctenacanthus tenuistriatus , Ag.”; Bristol. 
Enniskillen Coll. 
P. 2522. Fragment; Bristol. E/nniskillen Coll. 
22665. Basal half of spine ; Bristol. Purchased. 
P. 2523. Type specimen of Ctenacanthus salopiensis, 3. "W. Davis ; 
Oreton, Shropshire. Enniskillen Coll. 
42238. Short stout spine ; Oreton. Baugh Coll. 
• IP. 213. Spine", imperfect distally ; Oreton. Weaver-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. 
h 2 
