South American Naiades : a contribution to the knowledge of the freshwater mussels of South America . o. 19). Fig. 36. Section of gills of female (No. 20). Fig. 4. Diplodon deceptus (Simpson), from Rio Jacuhy, Cachoeira, Rio Grandedo Sul, Brazil. Carn. Mus. Cat. No. Section of gills of half-grown female(No. 6) (Shell of this specimen figured on Plate XXXIX, fig. 4). Fig. 5. Castalina nehringi Von Ihering, from Rio Tiete, Itapura, Sao Paulo, Mus. Cat. No. Section of gills of gravid female (No. 5). Fig. 6. Fossula fossiculifera (DOrbigny), from Rio Tiete, Itapura, S
South American Naiades : a contribution to the knowledge of the freshwater mussels of South America . o. 19). Fig. 36. Section of gills of female (No. 20). Fig. 4. Diplodon deceptus (Simpson), from Rio Jacuhy, Cachoeira, Rio Grandedo Sul, Brazil. Carn. Mus. Cat. No. Section of gills of half-grown female(No. 6) (Shell of this specimen figured on Plate XXXIX, fig. 4). Fig. 5. Castalina nehringi Von Ihering, from Rio Tiete, Itapura, Sao Paulo, Mus. Cat. No. Section of gills of gravid female (No. 5). Fig. 6. Fossula fossiculifera (DOrbigny), from Rio Tiete, Itapura, Sao Paulo,Brazil. Carn. Mus. Cat. No. Section of gills of female. Fig. 7. Monocondylcea minuana DOrbigny, from Rio Uruguay, Uruguayana,Rio Grande do Sul, Brazil. Carn. Mus. Cat. No. Fig. la. Section of gills of male (No. 5). Fig. 76. Section of gills of gravid female (No. 6). Fig. 8. Anodontites patagonica rubicunda (Lea), from Rio Cacequy, Cacequy,Rio Grande do Sul, Brazil. Carn. Mus. Cat. No. Section of gills of female. Memoirs Carnegie Museum, Vol. VIII, Plate
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