ACANTHODES MITCHELLI. 



68 



indebted to all these gentlemen for the generous confidence with 

 which they have entrusted to me the fragile treasures of their 

 several museums, although well aware of the risk of injury to which 

 they must be submitted in travelling from one extremity of the 

 kingdom to the other. 



Explanation of Plate VII. 



Eig. 1. Outline o[' Acanthodes Mitchclli, size of nature. 

 Fig. 2. The same drawn in detail, twice the size of nature. 

 Fig. 3. Scales highly magnified. 



' P. DE M. Grey Egerton. 



Oulton Parh, December 1 8G0. 



[X.] 



10 E 



