PLATE XLVIII. 



Figs. A, A'. BaclvjiMrois longipes (page 188). 

 East coast of South America, Station 325 ; depth, 2650 fathoms. 



Figs. B, B'. Scapular arch oi Bathypterois longifilis (page 187). 



cl, Clavicle, with its posterior dilatation cV; scV, scl", the two supraclavicles ; co, coracoid ; 

 sc, scapula, with the primordial cartilage ca; h', h", basalia. Fig. B', Muscles 

 moving the pectoral fin and ray ; a, muscles drawing the pectoral fin outwards ; 

 h, muscle drawing the pectoral ray downwards ; and c, outwards and upwards. 



