﻿71 



ClllM/KKID.K ' x 



P. 2214. Fragment of a similar spine ; Caen. Egerton Coll. 



27412. Small slender spine 0-059 in length ; Oxford Clay, Christian 



Malford, Wiltshire. Purchased, 1852. 



41877. Portion of large spine ; Kimmeridge Clay, Weymouth. 



Purchased, 1869. 



43558. Proximal half of large spine; Weymouth. Purchased, 185 r 2. 



P. 1159, P. 3098. Two portions of similar spines; Weymouth. 



Egerton fy EiinisJcillen Colls. 



36162-3. Large portions of two spines of the form named Auluxa- 

 canthus dutertrei, H. E. Sauvage, Catal. Poiss. Form. 

 Second. Boulonnais (Mem. Soc. Acad. Boulogne, vol. ii. 

 1867), p. 65, pi. iii. fig. 1 ; Kimmeridge Clay, Boulogne- 

 sur-Mer. Purchased, 1861. 



P. 6036. Fragment ; Portland Stone, Weymouth. 



Presented by George Clifton, Esq., 1889. 



47187, P. 34, P. 60. Four fragments and one nearly complete spine, 

 prohably of Ischyodus thurmanni ; Gault, Folkestone. 



Gardner Coll. 



The fragment of spine named Chimcer 'acanthus aalensis by Q,uen- 

 stedt (Der Jura, 1858, p. 347, pi. xlvii. fig. 19) was obtained from the 

 Brown Jura ft of Wurternberg, and is now preserved in the Tubingen 

 University Museum. 



Another spine, from the Upper Trias of Lombardy, said to be of 

 the same type as those mentioned above, is described under the 

 name of Lejptacanthus cornalia;, C. Bellotti in A. Stoppani's Studii 

 Geol. e Paleont. Lombardia (1858), p. 437. This, however, is 

 evidently Hybodont, as pointed out by E. Cornalia, Giorn. B. Istit. 

 Lombardo, vol. vi. (1854), p. 58, pi. ii. fig. 5. 



The following species have also been founded upon detached 

 teeth, of which there are no representatives in the Collection : — 



Ischyodus aalensis, J. Biess, Palaeontogr. vol. xxxiv. (1887), p. 19, 

 pi. i. fig. 9 : Chimcera aalensis, F. A. Quenstedt, Handb. 

 Petrefakt. (1852), p. 185, pi. xiv. figs. 14-16, and Der 

 Jura (1858), pp. 339, 347, pi. xlvii. figs. 21-28.— 

 Brown Jura ft ; Wiirtemberg. [Tubingen University 

 Museum.] 



acutus, H. von Meyer, Paiaeontogr. vol. vii. (1859), 

 p. 17, pi. ii. figs. 9-12. — Portlandian ; Hanover. [Left 

 vomerine tooth.] 



