386 
ACTINOPTERVGII. 
P. 464, P. 3698. Type specimen in split nodule; Whitby. The 
appearance of each support of the anal fin being in con¬ 
nection with more than one ray, noted by Agassiz, is 
deceptive, as proved by other specimens. 
Egerton 6f Enniskillen Colls. 
P. 3710. Finer specimen of the same size in shale, with the left 
pectoral fin and well-preserved caudal fin ; Whitby. The 
head and anterior abdominal region are partly distorted. 
Enniskillen Coll. 
P. 885, P. 3710 a. Another specimen of the same size in shale, in 
counterpart, more imperfect but with the pectoral fin ; 
Whitby. Egerton Enniskillen Colls. 
P. 2037. Somewhat larger imperfect and distorted fish ; Whitby. 
Egerton Coll. 
P. 2037 a, P. 3712. Bemains of a fish about 0*32 in length in 
nodule, wanting all the fins except the pectoral; Whitby. 
Egerton <Sf Enniskillen Colls. 
P. 2037 b, P. 3710 b. Head and greater portion of trunk, ventral 
aspect, in counterpart; Whitby. Minute fulcra are 
distinctly shown on the anterior border of the right 
pectoral fin. Egerton Sf Enniskillen Colls. 
P. 3700. Imperfect head and greater portion of trunk ; Whitby. 
Enniskillen Coll. 
P. 3711. A distorted fish elongated by crushing, labelled Pachy- 
cormus gracilis by Agassiz ; Whitby. Enniskillen Coll. 
P. 3699. Very imperfect and partially manufactured large specimen, 
with scattered scales, and trunk much deepened by crushing, 
labelled Pachycormus latus by Agassiz and intended to 
be the type of that species; Whitby. The counterpart 
of the pectoral fin is fixed above the head. 
Enniskillen Coll. 
P. 3716. Hinder portion of head and greater portion of imperfectly- 
preserved trunk; Dumbleton, Gloucestershire. 
Enniskillen Coll. 
19652. Imperfect specimen about 0*27 in length, wanting the 
greater part of the head and caudal fin ; Boll, Wiirtem- 
