ELOPID^. 
55 
rays increasing in size and then 14 divided rays, the whole com¬ 
pletely opposite the space between the pelvic and anal fins; anal 
fin with two small undivided rays, a larger undivided ray, and then 
15 divided rays. 
Form. Log. Upper Cretaceous : Westphalia. 
Xot represented in the Collection. 
Thrissopteroides intermedms, W. von der March. 
1885. Thrissopteroides intermedius, W. von der March, Palseontogr. 
vol. xxxi. p. 258, pi. xxiv. fig. 2. 
Type. IS^early complete fish ; Academy of Miinster. 
A comparatively robust species about as large as the type. 
Length of head with opercular apparatus less than twice as great 
as the maximum depth of the trunh and contained scarcely more 
than twice in the length from the pectoral arch to the base of the 
caudal fin. Vertebrae approximately 60 in number, 16 being caudal. 
Dorsal and anal fins apparently slightly less extended than in the 
last species. 
Form. Log. Upper Cretaceous: Westphalia. 
Hot represented in the Collection. 
Thrissopteroides tenuiceps, A. S. Woodward. 
1887. Clupea elongata, J. W. Davis, Trans. Hoy. Dublin Soc, [2] 
voL iii. p. 581, pi. xxxiii. fig. 2. 
1898. Thrissopteroides tenuiceps^ A. S. Woodward, xAnn. Mag. Nat. 
Hist. [7] vol. ii. p. 408. 
Type. Uish, distorted anteriorly; Edinburgh Museum. 
A small species, attaining a length of about OH. Length of 
head with opercular apparatus twice as great as the maximum 
depth of the trunk, and contained about two and a half times in 
the length of the trunk from the pectoral arch to the base of the 
caudal fin. Vertebrae approximately 60 in number, about 18 being 
caudal. Pelvic fins arising considerably behind the middle point 
of the trunk ; dorsal fin, with about 12 or 14 rays, directly opposed 
to the space between the pelvic and anal fins ; anal fin comparatively 
low and delicate, with about 15 rays. 
Form. Log. Upper Cretaceous: Mt. Lebanon. 
49592. A larger example than the type specimen slightly elongated 
by distortion, noticed Iog. cit, 1898, p. 408 ; Sahel Alma. 
Part of the displaced left maxilla is seen from within, 
