366 Edward Wilson — Type Fossils in the Bristol Museum. 



pi. xxix. fs. 1, 4, 5, 6, 7, 8, 9, 10, 11 ; pi. xxx. fs. 1, 2, 3, 5, G, 8, 9, 

 10, 11 ; Huxley, op. cit. pi. iii. fs. 1, 2, u, 5, 6. 



Pisces. 



Acrodus leiopleurus, L. Agassiz. Poiss. Foss. vol. iii. p. 145, pi. xxii. f . 5 ; A. S.Wood- 

 ward, Geol. Mag. Dec. III. Vol. IV. (1887), p. 102, and Cat. Foss. Fish. B.M. 

 pt. i. p. 295 [tooth]. ? Forest marble, ? loc. ? Gloucestershire. 



Acrodus minimus, L. Agassiz, Poiss. Foss. vol. iii. p. 145. pi. xxii. fs. 6, 10 ; A. S. 

 Woodward, Cat. Foss. Fish. B.M. pt. i. p. 282 [teeth]. Rhsetic (bone bed), 

 Aust Cliff. 



Acrodus ndbilis, L. Agassiz, Poiss. Foss. vol. iii. pp. 140, 144, pi. xxi. ; A. S. Wood- 

 ward, Cat. Foss. Fish. B.M. pt. i. p. 283 [incomplete dentition]. L. Lias, 

 Lyme Regis. 



P Asteracanthus " Stutchburyi," L. Agassiz. Poiss. Foss. vol. iii. p. 177 (name only). 

 Syn. of Ast. verrucosus, P. M. G. Egerton. Ann. Mag. Nat. Hist. 2nd ser. 

 vol. xiii. (1854), p. 433 ; Brit. Org. Rem. Mem. Geol. Surv. dec. viii. pi. ii. 

 [dorsal spine]. Form, and loc. unknown. 



Note. — For want of any figure or description in the " Poissons 

 Fossiles," it is not certain, although it appears highly probable, that 

 the above was Agassiz's MS. type. Mr. A. S. Woodward considers 

 this specimen as probably synonymous with Ast. verrucosus, Egerton, 

 which in the above-mentioned event must therefore replace Agassiz's 

 name. The specimen in the Bristol Museum is labelled "Charmouth," 

 and is stated in an old catalogue to have come from the " Lias " of that 

 place. The slab of stone on which this spine rests is a very dense 

 grey shelly limestone ; certainly not Liassic. Tawney considered it 

 to be Purbeck, and in connexion with this it may be observed that 

 Ast. verrucosus is a Purbeck type, and according to Sir Philip 

 Egerton is not uncommon in the Purbeck of Swanage and the 

 neighbourhood. 



Ceratodus alius, L. Agassiz, Poiss. Foss. vol. iii. p. 130, pi. xx. fs. 2-5 : C. polymorphus, 

 L. C. Miall, Siren, and Crossopt. Ganoids, p. 28; syn. of C. latissimus, Agass. 

 (op. cit. vol. iii. p. 131). A. S. Woodward and C. D. Sherborn, Brit. Foss. 

 Vert. p. 26 [tooth]. Rhsetic (bone bed), Aust Cliff. 



Ceratodus curvus, L. Agassiz, Poiss. Foss. voi. iii. p. 131, pi. xx. f. 10 : C. polymor- 

 phus, L. C. Miall, Siren, and Crossopt. Ganoids, p. 2S; syn. of C. latissimus, 

 Agass., A. S. Woodward and C. D. Sherborn, Brit. Foss. Vert. p. 26 [tooth]. 

 Rhsetic (bone bed), Aust Cliff. 



Ceratodus emarginatus, L. Agassiz, Poiss. Foss. vol. iii. p. 133, pi. xx. f. 11 ; C. poly- 

 morphus, L. C. Miall, Siren, and Crossopt. Ganoids, p. 28 ; syn. of C. latissimus, 

 Agass., A. S. Woodward and C. D. Sherborn, Brit. Foss. Vert. p. 27 [tooth], 

 Rhsetic (bone bed), Aust Cliff. 



Ceratodus latissimus, L. Agassiz, Poiss. Foss. vol. iii. p. 131, pi. xx. fs. 8, 9 ; C. poly- 

 morphus, L. C. Miall, Siren, and Crossopt. Ganoids, p. 28 ; C. latissimus, 

 Agass., A. S. Woodward and C. D. Sherborn, Brit. Foss. Vert. p. 26 [two 

 teeth]. Rhsetic (bone bed), Aust Cliff. 



Ceratodus parvus, L. Agassiz, Poiss. Foss. vol. iii. p. 132, pi. xx. f . 1 ; L. C. Miall, 

 Siren, and Crossopt. Ganoids, p. 29, pi. v. fs. 4, ?8, ?9, 10; A. S. Woodward 

 and C. D. Sherborn, Brit, Foss. Vert. p. 27 [tooth]. Rhsetic (bone bed), 

 Aust Cliff. 



Ceratodus planus, L. Agassiz, Poiss. Foss. vol. iii. p. 132, pi. xx. fs. 6, 7 ; C. poly- 

 morphus, L. C. Miall, Siren, and Crossopt. Ganoids, p. 28 ; syn. of C. latissimus, 

 Agass., A. S. Woodward and C. D. Sherborn, Brit. Foss. Vert. p. 27 [tooth]. 

 Rhsstic (bone bed), Aust Cliff. 



Ceratodus polymorphus, L. C. Miall, Siren, and Crossopt. Ganoids, p. 28, pi. ii. 

 fs. 1-13; pi. iii. fs. 1 a, b, c, 2. 5 a, b, c pi. iv. fs. 1-11, pi. v. fs. 1 a, b; syn. 

 of C. latissimus, Agass., A. S. Woodward and C. D. Sherborn, Brit. Foss. Vert. 

 p. 27 [numerous teeth]. Rhsetic (bone bed), Aust Cliff. 



Chalazacanthus verrucosus, J. W. Davis, Scient. Trans. Roy. Dublin Soc. vol. i. ser. ii. 

 p. 371, pi. xlviii. f. 13 [fin spine]. Carb. Limest. (black rock), Avon Gorge, 

 Clifton, near Bristol. 



