102 



PISCES 



nsp. r 



FIG. 62. 



Dissected tail of Lepidostctts. (After Kolliker.) d.f.s, dorsal fulcral scales; h.a, expanded 

 haemal arcli ; h.f, hypochordal tin ; n.np, neural spine ; i>t, upturned tip of the notochord ; r, 

 dorsal radial ; v.c, vertebral centrum ; r./.s, ventral fulcral scales. The proximal ends of the 

 dermal rays have been cut off to expose the endoskeleton. 



nsp. pi. 



ef. 



nt 



Fia. 63. 



Dissected tail of Sahno. (After, Kolliker.) c, centrum of caudal vertebra ; ef, epichordal 

 dermal ray ; h.a, haemal arch ; h.f, hypochordal fin ; lip, expanded haemal arch or hypural ; I, 

 dermal ray of opposite (right) side ; n.?p, neural spine ; nt, upturned extremity of the 

 notochord ; pi, covering bony plate (modified neural arch ?). 



