EXPLANATION OF PLATE XLII. 



Figure 



1. Scorpaena dactyloptera, Delaroche (p. 409). 



Adult example. The figure is in error, in that the rays of the lower portion of the 

 pectoral fin are represented as being joined by membrane (a condition only found in 

 young examples) ; and also in showing scales in the region of the suborbital ridge. 



2. Outline of the head of Sebastes norver/iciis. 



Irt and 2a. Sections through the interorbital regions of Scorpaena (la) and Sebastes (2o), showing 

 difference of configuration. 



b. r. . . . bony ridges, 

 o. r. . . . orbital ridges. 

 oc, . . . eye. 



3. Pnmatomm telescopium, Risso (p. 405). 



3a. Typically ctenoid scale of same, from central region of body, showing spinous exposed surface. 

 Sb. Spine of scale much magnified. 

 3c. Scale from lateral line. 



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