464 
ACTINOPTERYGTI. 
41857. Another large imperfect fish, displayed from the ventro¬ 
lateral aspect; Lyme Regis. Purchased , 1870. 
38110. Large distorted specimen, dorsal aspect, showing vertebral 
rings in the abdominal region; Lyme Regis. The course 
of the lateral line on the cranial roof in the interorbital 
region is marked by few transversely elongated bosses. 
Purchased , 1864. 
P. 421. Specimen 0*12 in length, showing the fulcra on the 
median fins : Lyme-Regis. 
Presented by F. Seymour Haden , Esq., 1882. 
P. 1046 b. Equally large fish wanting the dorsal fin and the upper 
lobe of the caudal fin ; Lyme Regis. Egerton Coll. 
38534, 38730, 38738. Three fishes about 0-115 in length, the first 
much broken in the region of the head ; Lyme Regis. In 
the first specimen the fulcra of the right pectoral fin are 
conspicuous and have the appearance of being firmly 
united. Purchased , 1864-65. 
47461, 47466. Two equally large fishes, somewhat imperfect and 
distorted ; Lyme Regis. Purchased, 1876. 
48008-10. Two small fishes 0*092 and 0*105 in length respectively, 
and a larger distorted fish, ventro-lateral aspect; Lyme 
Regis. Purchased, 1877. 
P. 3595, P. 4415-16. Four typical specimens, from 0*09 to 0*125 
in length ; Lyme Regis. Enniskillen Coll. 
36313. A much-abraded imperfect large specimen, wanting the 
median fins, probably of this species ; Lyme Regis. 
Presented by Miss Wilson, 1862. 
Pholidophorus limbatus, Agassiz. 
[Plate XII. fig. 7.] 
1833-44. Pholidophorus limbatus, L.’ Agassiz, Poiss. Foss. vol. ii-. pt. i. •> 
pp. 9, 282, pi. xxxvii. figs. 1-5. 
Type. Distorted specimens of trunk. 
A species of moderate size, attaining a length of about 0*18-0*2. 
Length of head with opercular apparatus almost as great as the 
maximum depth of the trunk, and contained four-and-a-half times 
in the total length of the fish. The rugos'e ornament of the head 
and opercular bones very feeble or absent; maxilla comparatively 
