416 



Mr. R. J. Oitlepp on a nt\ 



Tlie externo-dorsal ray is stout and slightly arched. It^ 

 maximum thickness (28 /a) is near its origin, after wliich it 

 gradually tapers to an obtuse point. It terminates sonu» 



Fig. 2. 



Dorsal view of bursa (lateral rays of right side not indicated). 

 /).=dor8al ray; £.D. = externo-dor8al ray; P.i. = postero-lat«ral rny. 



Fip. 3. 



■XiO/u^ 



l>oft lateral viow of buraa. 



2>. = dor«al ray; A'./A = extoriio-dorsal ray; ^.i. = c'xterno-lat<.'ral ray; 

 /y. K = latero-V('iitial ray ; j17./.. = iiu-diu-luteral ray; P.Z.=poatero- 

 lateral ray ; V. V.=. veutro-veutral ray. 



distance from the cd;^o of the biir.sa. The postero-iateral and 

 iiHMJio-hilci al rays are ainio.yl parallel and ol the .same length 

 unci thickness ; the furuier, however, ib .'^tiaight and passes to 



