34
FISHES.
published by the Trustees of the British Museum, in eight volumes (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—Müller's system was adopted in the main, but the definition of the families 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.
