220 
ANTIARCH A. 
28856 b. 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. Remains 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. fig. 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 trunk 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. 
n 
r f ^ 
•T& 
Eger ton 4’ Enniskillen Colls. 
LL « f? j l/wt 
P. 663-4, P. 3209. Head and trunk, dorso-lateral aspect, in counter¬ 
part, and a smaller specimen, ventral aspect, also in 
counterpart. Egerton Sg Enniskillen Colls. 
P. 3210. Two imperfect specimens, ventral aspect. 
Enniskillen Coll. 
28856 d. Crushed and broken trunk, ventral aspect. 
Purchased, 1854. 
(in) Lethen Bar. 
30875. Remains 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 PI. V. fig. 10. 
Bowerbanh Coll. 
40323. Imperfect specimen, wanting tail, ventral aspect, in counter- 
P ar C Purchased, 1867. 
40324, Much crushed and broken specimen, ventral aspect, showing 
expansion of pectoral appendage. Purchased , 1867. 
