532 Memoir Sears Foundation for Marine Research 



B 



Figure 120. Chimaera cubana. Upper dental plates (above) and lower dental plates (below) oi A Female, 690 mm 

 long to upper origin of caudal fin, and B Male, 517 mm long to upper origin of caudal fin, both from Matanzas, 

 Cuba (Harv. Mus. Comp. ZooL, Nos. 34728 and 1464), about 1.75X. 



are laid back, subdivided about midway of tlieir lengths; the accessory third branch 

 a little the longest of the three, its tip not dilated; the apposed surfaces of all three 

 branches rough nearly to the tips with many thorns pointing toward the base; outer 

 surfaces of the two broader branches also thorny. 



Color. Upper parts of trunk described as silvery gray (dull gray after preservation) 

 without definite markings, darkest on top of head and along back, shading to almost 

 white on lower surface; first dorsal blackish toward tip; second dorsal and upper caudal 

 also blackish along upper half, the lower caudal more conspicuously so; anal as well 

 as ventral ridge extending forward from it, black; pelvics sooty-edged; pectorals 



