r- .■ . 3 



Centimeters 



Figure 12. — 0. Jrons. Key Biscayne, Florida. Natural 

 size. 



3 



Centimeters 



FiGUKE 13. — 0. per mollis.- West of Andote Light, Tarpon 

 Springs, Fla., at 6 fathoms. Dimension.?: height 3.5 

 cm., length 3 cm. 



^ . 3 



Centimeters 



Figure 14. — O. pcrmolh's embedfled in sponge Stellaia gruhi- 



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