South American Naiades : a contribution to the knowledge of the freshwater mussels of South America . n, lateral view. Fig. 26. Half-grown specimen, dorsal view.• Fig. 2c. Half-grown specimen, inner view of left valve. Fig. 2d. Half-grown specimen, inner view of right valve. Fig. 3. Young specimen, lateral view. Figs. 4-6. Monocondylaa obesa Ortmann, from Rio Tapajos, Santarem, Para,Brazil. Carn. Mus. Cat. No. 6L5850. Fig. 4a. Half-grown specimen (No. 10), lateral view. Fig. 46. Half-grown specimen (No. 10), inner view of left valve. Fig. 4c. Half-grown specimen (No. 10), inner view of right v
South American Naiades : a contribution to the knowledge of the freshwater mussels of South America . n, lateral view. Fig. 26. Half-grown specimen, dorsal view.• Fig. 2c. Half-grown specimen, inner view of left valve. Fig. 2d. Half-grown specimen, inner view of right valve. Fig. 3. Young specimen, lateral view. Figs. 4-6. Monocondylaa obesa Ortmann, from Rio Tapajos, Santarem, Para,Brazil. Carn. Mus. Cat. No. 6L5850. Fig. 4a. Half-grown specimen (No. 10), lateral view. Fig. 46. Half-grown specimen (No. 10), inner view of left valve. Fig. 4c. Half-grown specimen (No. 10), inner view of right valve. Fig. 5a. Young specimen (No. 5), lateral view. Fig. 56. Young specimen (No. 5), dorsal view. Fig. 6. Young specimen (No. 1), lateral view. Figs. 7 and 8. Anodontites crispata Bruguiere, from Rio de la Paila, Paila, U. Colombia. Carn. Mus. Cat. No. (See also Plate XLI, figs. 2 and 3). Fig. 7a. Half-grown male (No. 8), lateral view. Fig. 76. Half-grown male (No. 8), dorsal view. Fig. 8. Nearly adult female (No. 10), lateral view. Memoirs Carnegie .?Museum, Vol. VIII. Plate XL. Pklsodon, , ^ 656 MEMOIRS OF THE CARNEGIE MUSEUM. EXPLANATION OF PLATE XLL Shells of Monocondylaea hollandi Ortmann, Anodontites crispata BRUGii)RE,AND Anodontites clessini (Fischer). All figures natural size. Fig. 1. Monocondylcea hollandi Ortmann, from Rio Guapore, near Rio Sao Simao,Matte Grosso, Brazil. Carn. Mus. Cat. No. Fig. la. Holotype, male, lateral view. Fig. 16. Holotype, male, dorsal view. Fig. Ic. Holotype, male, inner view of right valve. Figs. 2 and 3. Anodontites crispata Bruguiere, from Rio de la Paila, Paila, U. Colombia. Carn. Mus. Cat. No. (See also Plate XL, figs. 7 and 8). Fig. 2a. Nearly adult specimen (sex ?), lateral view. Fig. 2b. Nearly adult specimen (sex ?), inner view of right valve. Fig. 3. Young specimen (sex ?), lateral view. Fig. 4. Anodontites clessini (Fischer), from Rio Vaccahy-mirim, Santa Maria,Rio
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