﻿PLATYSOMATID^. 539 



P. 5185. Two imperfect specimens, wantiug the tail ; Hanley, 

 North Staffordshire. One specimen shows part of a pectoral 

 fin, and also the anterior portion of the dorsal fin, which 

 is higher and more acuminate than is shown in Traquair's 

 restoration. Purchased, 1885. 



P. 5184 a, b, P. 5187. Three imperfect examples of the head and 

 trunk, of moderate size, the third showing portions of the 

 dorsal fin : Deep-mine Ironstone Shale, Longton. 



Purchased, 1885. 



P. 5186. Small imperfect specimen, in counterpart ; Longton. 



Purchased, 1885. 



P. 4617 a. Imperfect head and anterior scales, showing the outer 

 aspect of the left dentary bone and fragments of the den- 

 tition ; Silverdale, North Staffordshire. EnnisTcillen, Coll. 



38893-94, 37381. Three specimens with remains of squamation 

 and fragmentary head-bones, probably from Knowles 

 Ironstone Shale, Fenton. Purchased, 1862-63. 



36898. Two pterygoid (or splenial) bones, one being much abraded ; 

 Longton. Purchased, 1862. 



P. 1611-2. Four similar bones ; Longton. Egerton Coll. 



P. 3503. Five similar bones ; Fenton. EnnisHllen Coll. 



P. 1613. Right maxilla, inner aspect, showing the band of tuber- 

 cular teeth ; Longton. Egerton Coll. 



46027. Scales and fragments of head-bones of a large fish, coarsely 

 ornamented, doubtfully of this species ; Airdrie, Lanark- 

 shire. Purchased, 1874. 



P. 4087. Imperfect fish, wanting all the fins except a portion of the 

 caudal ; Brown Mine Ironstone, Apedale, North Stafford- 

 shire. Purchased, 1883. 



Cheirodus striatus (Hancock & Atthey). 



1872. Amphicentrum striatum, Hancock & Atthey, Ann. Mag. Nat. 



Hist. [4] vol. ix. p. 255 (reprinted in Nat. Hist. Trans. Northuinb. 



& Durham, vol. iv. p. 414). 

 1879. Cheirodus striatus, R. H. Traquair, Trans. Roy. Soc. Edinb. vol. 



xxix. p. 364. 



