Bull. U. S. F. C. 1893 Pearls and Pearl Shells 



Plate 29. 



PEARL OYSTER, Meleagrina margaritifera. OBVERSE AND REVERSE, INNER AND OUTER VALVES. 

 On the exterior are groups of three different species of coral. Size, valve with coral, 1 5 inches high, 7 inches wide. 



