﻿220 ANTIARCHA. 



28856 1). Imperfect specimen, ventro-lateral aspect, in counterpart. 



Purchased, 1854. 



28856 C. Small trunk, ventral aspect, with portions of appendages. 



Purchased. 1854. 



34991. Ventral plates, visceral aspect, and other fragments. 



Purchased, 1860. 



50006. Eemains of small head and trunk, ventral aspect. 



Purchased, 1878. 



37767. Small specimen, ventral aspect, wanting head and left 

 pectoral appendage. Purchased, 1863. 



P. 664 a, P. 3209 a. Crushed and broken individual, ventral aspect, 

 in counterpart, shown, of the natural size, in PI. VI. rig. 3. 

 The head is wanting, and only portions of the appendages 

 are preserved. The tubercular ornament is seen not only 

 upon the plates of the truDk and appendages, but also 

 upon the caudal scales. The dorsal fin (d.) occurs some- 

 what displaced ; the dorsal ridge-scales (/.) towards the 

 extremity of the tail are distinct ; and remains of the 

 large lower lobe of a caudal fin (a,\) are also conspicuous. 



Egerton Sf EnnisJcillen Colls. 



P. 663-4, P. 3209. Head and trunk, dorso-lateral aspect, in counter- 

 part, and a smaller specimen, ventral aspect, also in 



counterpart. Egerton Sf EnnisJcillen Colls. 



1 

 P. 3210. Two imperfect specimens, ventral aspect. 



Enniskillen Coll. 



28856 d. Crushed and broken trunk, ventral aspect. 



Purchased, 1854. 



(ii.) Lethen Bar. 



30875. Eemains of trunk and right pectoral appendage, ventral 

 aspect. Purchased, 1856. 



39174. Imperfect specimen, ventral aspect, displaying expansion of 

 the left pectoral appendage, as shown in PL V. fig. 10. 



Bowerhank Coll. 



40323. Imperfect specimen, wanting tail, ventral aspect, in counter- 



part. Purchased, 1867. 



40324. Much crushed and broken specimen, ventral aspect, showing 



expansion of pectoral appendage. Purchased, 1867. 



