34 



FISHES. 



published by the Trustees of the British Museum, in eight 

 vohimes (Lond. 1859-70). Beside the species previously de- 

 scribed many new forms were added, the number total of 

 species referred to in those volumes amounting to 8525. As 

 regards the systematic arrangement — Miiller's system was 

 adopted in the main, but the definition of the famihes is much 

 modified. This, however, need not be further entered into 

 here, and will become sufiiciently apparent in the subsequent 

 parts of the present work. 



Fig. 1, — Lower aspect of head of Raia lemprieri. 



