﻿coccosteidj:. 287 



P. 6074. Several associated imperfect plates of the trunk. 



Presented by F. Harford, Esq., 1889. 



(iv.) Cromarty (C. decipiens). 



41728. Cranial shield, upper aspect, considerably broken. 



Purchased, 1869. 



P. 3220. Similar specimen. Ennislcillen Coll. 



P. 696. Plaster cast of mandibular rami, showing anterior denticu- 

 lations, the original specimen in the Edinburgh Museum, 

 and probably the basis of Miller's description (Old Red 

 Sandst. p. 57). Egerton Coll. 



19057-58, 19069. Three specimens showing various plates, chiefly 

 of the trunk, the third also exhibiting portions of man- 

 dible and teeth. Purchased, 1845. 



20649, 20651-52. Remains of median dorsal plate showing inner 

 longitudinal ridge, bifurcated inferiorly ; also a similar 

 crushed plate, in counterpart. Purchased, 1846. 



30872-73. Median dorsal and posterior ventro-lateral plates, the 

 second preserved in counterpart. Purchased, 1856. 



P. 5062. Median dorsal plate. Presented by J. E. Lee, Esq., 1885. 



(v.) Lethen Bar (typical C. oblongus). 



P. 3222-23. Type specimens of Coccosteus oblongus, figured by 

 Agassiz, op. cit. pi. xi. Ennislcillen Coll, 



P. 685 a, P. 3224 a. Dermal armour of head and trunk, imper- 

 fectly preserved, in counterpart. Teeth are observed 

 in the mandible, relatively more slender than those of 

 No. P. 3222. Egerton 6f Ennislcillen Colls. 



P. 3224. Three examples of the head and portions of the dermal 

 armour of the trunk. Two specimens seem to indicate the 

 presence of a deep pit on the inferior aspect of the so-called 

 posterior ethmoid plate (described above as pineal). 



Ennislcillen Coll. 



P. 685 "b, P. 2078. Two examples of the head and armoured portion 

 of the trunk, with fragments of the axial skeleton, the 

 second also showing the small thin plate in the abdominal 

 region already noted in Nos. P. 3216, P. 550, P. 180, 

 38728, and P. 695 a. Egerton Coll. 



