164 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



Figure 2. — Radiograph of pelvic fin sections from four marlced shad. A — no regeneration, B — one-third, C — two-thirds. 



and D — complete regeneration. 



.,J. J 



a 



Figure 3. — Radiograph of pelvic fin sections from four .shad with malformed and missing fins (A — right fin and 

 radial fin supports absent, B — right fin with malformed fin rays, C — double malformation of pelvic fins, and D — 

 pelvic girdle absent. ) 



