﻿ASTEBOLEFID.K. 



215 



44587. Crushed remains of head and trunk, portions showing the 

 ornamentation of closely-arranged rounded tubercles. 



Purchased, 1873. 



35981. Imperfect individual, wanting almost the whole of the 

 tail. A few of the head-plates and the operculum (or 

 extra-lateral) are well displayed, the latter being shown 

 in PI. V. fig. 6. The hinder edge of the posterior ventro- 

 lateral plates of the trunk is coarsely denticulated. 



Purchased, 1861. 



35980. Crushed remains of armour of trunk, with the anterior 

 median dorsal plate showing its overlapped postero-lateral 

 border (PI. V. fig. 7). Purchased, 1861. 



(iv.) Gamrie (typical P. quadratus). 



28856. Ventral plates of small trunk, visceral aspect. 



Purchased, 1854. 



28860. Imperfect specimen as large as the type, ventral aspect, 

 with right pectoral appendage. Purchased, 1854. 



50G05. Small trunk, ventral aspect, showing portions of the 

 tubercular ornament ; the tubercles displayed are stellate. 



Trevelyan Bequest. 



P. 663-4, P. 3205-7, P. 3209. Seven split nodules, each with an 

 imperfect specimen in counterpart, five exhibiting the 

 ventral aspect, the sixth the dorso-lateral, and the seventh 

 the dorsal. The tuberculations of the dermal plates are 

 often shown ; and in the last-mentioned specimen fine 

 tubercles are seen upon the caudal scales. 



Egerton <Sf Enniskillen Colls. 



28356 e. Trunk, with fragments of head and appendages, ventral 

 aspect. Purchased, 1854. 



47868. Crushed individual, ventral aspect, wanting the greater 



portion of the tail. Purchased, 1877. 



47869. Much crushed and broken individual, dorsal aspect. 



Purchased, 1877. 



P. 4035. Crushed individual, ventral aspect, in counterpart, with 

 traces of dorsal fin. Purchased, 1883. 



P. 4036. Much, crushed individual, lateral aspect, in counterpart, 

 shown, of the natural size, in PI. V. fig. 5. The head is 

 almost wanting, but some of the plates of the trunk are 



