‘ 
Fig. 27.—Cheirurus Frederici, Salter. (x52 diam.) 
| External cast of part of head and thorax. From the Bronsil Shales, Southern 
Malverns. ‘The specimen is to be seen in the Museum at Malvern. | 
Fig 
>: 
28.—Cheirurus Frederici. (x 41 diam.) 
[Head and part of thorax restored, by means of tracings from a camera-lucida 
drawing, of the specimen illustrated in fig. 27. ] 
