﻿PLATE XXIV. 



UPPER SILURIAN CRUSTACEA. 



Order — Merostomata. 



Sub- Order — Eurypterida. 

 Fig. 

 1. Stylonurus Logani, H. Woodw. (P. 129.) Drawn of the natural size, from the 



specimen in the Museum of Practical Geology, Jermyn Street. The Counterpart 



is in the Collection of James Powrie, Esq. Erom the Upper Silurian, Lesma- 



hagow, Lanarkshire. 



Miscellaneous Specimens. 



9 



6. Represent the specimens described by Mr. J. W. Salter, under the name of 

 Ewypterus mammatus, from the " Eerny Metal," Coal-measures, Pendleton 

 Colliery, Manchester. (See p. 163.) 



2 and 3 are referred to M. Jordan's genus Arthropleura, under the name of A. mammata. 



(See p. 167.) 

 4, b, and 6 are referred to Plant -remains by Mr. Carruthers. (See p. 168.) 



