120 American Seashells 



Tegiila aureotincta Forbes Gilded Tegula 



Plate 1 8k 



Southern third of California to Mexico. 



% to I inch in length, heavy; dark grayish to gray-green; characterized 

 by a golden-yellow stain within the deep, round, narrow umbilicus, by the 

 sky-blue band around the umbilicus, and by the 4 or 5 strong, smoothish, spiral 

 cords on the periphery and the base. Top of whorls with weak, crude, slant- 

 ing, axial wrinkles. A moderately common, littoral, rock-loving species. 



Tegula ligulata Menke Western Banded Tegula 



Plate i8h 



Monterey, California, to Acapulco, Mexico. 



% inch in length, heavy; whorls and spire convex. Umbilicus very deep, 

 round and fairly narrow. Whorls with numerous, beaded, spiral cords. Outer 

 lip sharp, but thickened and pearly within. Lower part of lip with about 8 

 small nodules opposite the spiral threads which run back into the aperture. 

 Color rusty-brown with black flecks. Compare with aureotincta whose um- 

 bilical area is stained with greenish blue and golden-yellow. A moderately 

 common littoral, rock-dweller. 



Subgenus Chlorostoma Swainson 1840 

 Tegula regina Stearns Queen Tegula 



Plate 3f 



Catalina Island to the Gulf of California. 



I /4 inches in length, slightly wider; 6 to 7 whorls, spire flat-sided; base 

 slightly concave. With numerous slanting, small, axial cords. The crenulated 

 periphery slightly overhangs the suture of the whorls below. Base with 

 strong, arched lamellae. Color dark purplish gray. Umbilical region stained 

 with bright golden-yellow. A rather rare and choice collector's item secured 

 by diving. It has also been washed ashore on Catalina Island. 



Subgenus Froviartynia Dall 1909 

 Tegula pulligo Gmelin 1791 {marcida Gould) Dusky Tegula 



Plate i8y 



Alaska to Santa Barbara, California. 



I to 1/4 inches in length, slightly wider. Resembles brumiea, but has 

 a deep, round umbilicus and a thin, rather sharp columella. It is also very 

 similar to nwntereyi, but its whorls are more rounded and its umbilicus is 

 more smoothly rounded and without the white color and faint spiral ridges 

 found in montereyi. This species is doubtfully placed here and perhaps 



