Revista do Museu Paulista II. Est. IX. 

52 

54 do 
52. Ostrea Orbignvi, Ihering. 54. Perna quadrisulcata, Ihering. 
93. Ostrea patagonica, Ihering. do. Mytilus chorus, Molina. 
Phototypie Berthaud, 9, rue Cadet. - Paris. 
