. Bulletins of American paleontology. 75 Makine Shells S. W. Fla.: Perry 75. Fig. 5. Tellina promera Dall more flexuose posteriorly; pallial sinus large, confluent, extends within one millimeter of anterior muscle scar. Tellina similis120 Sowerby 18; length, 22 mm. Shell more regularly oval than most of the Tellinas. Pale pink or rosy, rayed with a deeper shade. Surface sculpture of fine concentric lines and delicate oblique striations. Umbos almost central, ligament small. Pink within; lateral teeth developed. Genus MACOMA Leach, 1819 Macoma constricta^i Bruguiere Plate 16, fig. 100 Alt
. Bulletins of American paleontology. 75 Makine Shells S. W. Fla.: Perry 75. Fig. 5. Tellina promera Dall more flexuose posteriorly; pallial sinus large, confluent, extends within one millimeter of anterior muscle scar. Tellina similis120 Sowerby 18; length, 22 mm. Shell more regularly oval than most of the Tellinas. Pale pink or rosy, rayed with a deeper shade. Surface sculpture of fine concentric lines and delicate oblique striations. Umbos almost central, ligament small. Pink within; lateral teeth developed. Genus MACOMA Leach, 1819 Macoma constricta^i Bruguiere Plate 16, fig. 100 Alt., 33 ; length, 50 mm. Shell subequivalve, dull white, sculp- ture of incremental lines, brownish epidermis heaviest near mar- gins. Umbos bluntly pointed; ligament long, narrow. Anterior and ventral margins rounded ; posterior area flexuose, inclined toward right, with a notch in ventral margin anterior to the flex- ure. Feeble cardinal teeth, laterals not developed. Long, con- fluent pallial sinus. Macoma tenta1-- souleyetiana Recluz Alt., ; length, 18mm. Shell inequilateral, small and frag- ile, white or yellowish, slightly iridescent; fine, concentric lines and very delicate radial striations visible both within and without under magnification. Umbos small, sharp; ligament small. Ante- rior and ventral margins rounded, posterior margin shorter, straighter and flexuose. Hinge margin very frail, two cardinal teeth in left and one in right valve, one right posterior lateral 120 Lat., similis, like. 121 Lat., constrictus, drawn tight. 122 Lat., tentis, stretched Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]
Size: 1796px × 1391px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorpaleontologicalresearchinstitutionit, bookcentury1900
