314 
ACTINOPTEKYGir. 
Tinea micropygoptera, Agassiz. 
1832. Tinea micropygoptera, L. Agassiz, Neues Jabrb. p. 133 (name 
only). 
- ...v W ..w'opygopteru, xj. uiooi * — - 
P- 20, pi. li a . fi gg . 1 _ 3- _ 
1839-44* Leuci&cus hartmanni , L. Agassiz, ibid. p. 33, pi. li c. g* 
[Imperfect tail; olim Hartmann Coll.] , 9 o 
18-41 -44. Leuciscus gracilis, L. Agassiz, ibid. p. 34, pi. lie. bo 8- 
[ Imperfect small fish ; olim Hartmann Coll.] g „- 
18-52. Tinea micropygoptera, F. A. Quenstedt, liandb. Petrefakt. p. > 
pl- six. fiir. (1. 
pi. xix. fij 
18.2 
18. 
1880. Leuciscus gracilis 
vol. vii. p. 84 , 
1 880. Tinea micropygoptera, F. Bassani, ibid. p. 80. 
1'ype. Imperfect small fish ; olim Hartmann Coll., GoppinS 0 ”' 
A large species, attaining a length of about 0’45. Length of heo^ 
with opercular apparatus contained slightly more than three 
and maximum depth of trunk slightly more than four times in 
total length to the base of tho caudal fin. About 30 vertebrae, 
being caudal. Pelvic fins arising opposite the origin of the do r ® a j 
which is nearly as deep as the trunk at its insertion and comp 1 ’ 
10 rays, the foremost being a short spine, the second articula ’ < 
the others both articulated and divided distally ; anal fin "it j 
10 rays, like the dorsal but much smaller; caudal fin dislinc 
forked. 
Form. <$/• Loc. Middle Miocene: Steinheim, Wiirtemberg. 
36130. Very large specimen with imperfect head, displaying 
lower pharyngeal from outside. Purchasec , 
P. 3853. Pine specimen about 0 - 4 in length, showing two of ^ 
characteristic pharyngeal teeth. Enniskillen 
36443. Pine specimen 0'37 in length. Purchased, 1 L 
35754-59, 36181. Seven small specimens, the largest 0-2 in ' c j D “ 
Some exhibit the much-expanded anterior raj c ’ 
pelvic fins. Purchased, 18 
P. 1821-22. Four very small imperfect specimens, two sh 
the thickened pelvic fin-ray. ^ el t0 
