EAST COAST MARINE SHELLS 



59 



Fig. 34a 

 Tellina tenera 



Fig. 34b 

 Macoma tenta 



Fig. 34c 

 Tellina tenella 



Fig. 34d 

 Tellina versicolor 



cast. The hinge teeth are more equal in 

 size than In the preceding species. The 

 largest specimen in a lot is 12 mm. long, 

 7 mm. high. '• 



Fig. 34c 



Southern Massachusetts to New York 



TELLINA VERSICOLOR Cozzens. The color is 

 opalescent white, usually with rows of 

 pink which widen toward the margin. Pal- 

 lial line close to adductor muscle scar as 

 shown in illustration. Length of large ex- 

 ample 14 mm., height 8 mm. Range 15-50 

 fathoms. 



The four drawings of these small 

 Telllnas, together with a portion of the 

 descriptions, are from a paper by C. W. 

 Johnson (Nautilus XLV, p. 109). 



Fig. 34d 



Connecticut to West Indies 



SECTION SCISSULA Dall 1900 



TELLINA SIMILIS Sowerby. Similar Tallin. 

 Shell convex, glossy, white inside and out 

 but rayed with pink; few concentric lines 

 and minute oblique sculpture, replaced be- 

 fore reaching the umbonal ridge by close 

 striae; ventral edge somewhat straight; an- 

 terior end the longer, rounded; ligament 

 short; lateral teeth prominent. Length 

 20 mm. 



One of the most beautiful of the 

 small Tellinas of Florida. Specimens not 

 infrequently occur in lower Blscayne Bay. 



PI. 22, Fig. 8 



Palm Beach County, Florida, to 



West Indies 



TELLINA CANDEANA Orbigny. Concentric lines 

 fine, crossed by oblique striae which is 

 most persistent toward the posterior end; 

 anterior ridge not prominent; exterior 

 glossy; cardinal tooth minute, lateral 

 teeth feeble. Length 14 mm. 



PI. 11, Fig.' 11 



Florida Keys; West Indies; Bermuda 



TELLINA IRIS Say. Shell fairly strong; 

 white inside and out, yellow indistinct 

 ray at umbones; front extremely rounded; 

 posterior end short and wedge shaped. 

 Length 12 mm. 



PI. 23, Fig. 15 



North Carolina to Florida Keys 



GENUS MACOMA Leach 1819 



Shell oval; hinge with small car- 

 dinal teeth, no lateral teeth; ligament ex- 

 ternal. 



MACOMA BALTHICA Llnnfe. Shell slightly tri- 

 angular, thick, white or pale flesh color; 

 interior usually rosy, smooth not glossy; 

 anterior end rounded; posterior end angu- 

 lated but with tip rounded; ligament large 

 and prominent; teeth small. Length 23 mm. 



PI, 23, Fig. 8 



Arctic Seas to Georgia 



MACOMA CONSTRICTA Brxig. Growth lines very 

 fine; posterior end pointed and with a fold 

 in sh^ll forming a notch below; posterior 

 end pushed to one side and giving a dis- 

 torted appearance; ligament long and nar- 

 row; surface dull white, epidermis yellow- 

 ish. Length 2 inches. 



PI. 2, Fig. 9 



North Carolina to Brazil 



MACOMA TENTA Say. Shell small, white, thin, 

 oval; much narrowed, twisted and gaping; 

 outer surface shining but not polished; 

 inside white, tinged with yellow and with a 

 covering of fine radiating lines which in- 

 dent the edge of the shell; hinge extreme- 

 ly delicate, two cardinal teeth on right 

 valve and one on left valve; one lateral 

 tooth nearest the ligament on the right 

 valve and a groove opposite it on the left 

 valve. Length 20 mm. 



The lines inside the shell are 

 characteristic, also the widely gaping pos- 

 terior end. It appears to be a mud 



