18 
ACTINOPTERYGII. 
slightly shorter than the upper jaw. The superficial 
rugae on the articulo-angular bone appear to he directed 
vertically. Purchased , 1866. 
P. 4878. Well-preserved head 0*075 in length. Purchased , 1885. 
P. 3791 b. Crushed head 0*088 in length, displaying the dentition 
and the articulo-angular hone of the mandihle. 
Enniskillen Coll. 
P. 3791 a. Hinder portion of skull and mandible with well-preserved 
laniary teeth. Portions of the right operculum, clavicle, 
and some of the neural arches of the trunk are preserved 
behind. Enniskillen Coll. 
43008. Mandible, left outer aspect, with teeth. Purchased , 1871. 
(ii.) Upper Lias , Whitby. 
39153. Abraded skull and mandible 0*095 in length, right lateral 
aspect; probably obtained from Whitby. 
Bowerbank Coll. 
(iii.) Upper Lias, Wurtemberg. 
P. 3792. Head about 0*11 in length, somewhat fractured and 
displaying part of the parasphenoid ; Ohmden. 
Enniskillen Coll. 
P. 960. Nearly similar specimen ; Ohmden. Egerton Coll. 
P. 960 a. Remains of skull and mandible showing the hinder half of 
the parasphenoid and part of the right quadrate; Ohmden. 
Minute conical teeth appear in side view either on the 
parasphenoid or on the vomer. Egerton Coll. 
P. 960 b. Four imperfect heads ; Ohmden. Egerton Coll. 
20660-61. Two imperfect heads ; Boll. Purchased , 1846. 
The following species have also been partially defined, the two last 
without figures:— 
Belonorhynchus gypsophilusL Saurichthys gypsophilus , O. M. Peis, 
Geogn. Jahresh. 1891 (1892), p. 153, fig. 6.—Keuper; 
Altenmiinster, N. Franconia. [Portion of upper jaw.] 
Belonorhynchus intermedins, F. Bassani, Atti Soc. Ital. Sci. Nat. 
vol. xxix. (1886), p. 3l/—Keuper; Besano, Lombardy. 
[Hinder portion of trunk; Milan Museum.} 
Belonorhynchus stoppanii,P. Bassani, ibid. p. 34.— Ibid. [Nearly 
complete fish ; Milan Museum.] 
