RICHARDSON ET AL.: EGGS AND LARVAE OF BUTTER SOLE 



hy4 



A 5.5nnm 



B 10.5mm 



C 12.7mm 



hy 1 



E 16.4mm 



F 18.0mm 



G 22.8mm 



D 14.3mm 



H 44.0mm 



Figure 7. — Development of the caudal fin oUsopsetta isolepis: 5.5 mm SL, 10.5 mm SL, 12.7 mm SL, 14.3 mm SL, 16.4 mm SL, 18.0 

 mm SL, 22.8 mm SL, and 44.0 mm SL. Ossified elements are stippled, hy = hypurals; ep = epurals; nc = notochord; APU = 

 antepenultimate vertebrae; PU = penultimate vertebrae; TV = terminal vertebrae. 



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