NERITIDAE 129 



Nerita fulgurans Gmelin Antillean Nerite 



Plate 4c 



Southeast Florida, the West Indies and Bermuda. 



% to I inch in length, very similar to N. tessellata, but with a lighter- 

 colored, yellowish gray operculum. The spiral ridges on the shell are more 

 numerous, the color patterns blurred, the aperture relatively wider, and the 

 teeth more prominent. This is a salt to brackish-water inhabitant of pro- 

 tected shores, and is abundant only in certain restricted localities. It is 

 seldom represented or properly labeled in private collections. 



Genus Puperita Gray 1857 

 Puperita pupa Linne Zebra Nerite 



Plate 4e 

 Southeast Florida and the West Indies. 



Vs to Mi inch in length, thin, smooth, chalky-white with black, axial, 

 zebra-like stripes. Aperture and smooth operculum light-yellow. Lives in 

 small, placid pools above the high-water mark. Common in the West Indies, 

 rare in Florida. 



Genus Neritina Lamarck 18 16 

 Subgenus Vitta Morch 1852 



Neritina virginea Linne Virgin Nerite 



Plate 4! 



Florida to Texas, the West Indies and Bermuda. 



% inch in length, smooth, glossy, very variable in color pattern and 

 shades — blacks, browns, purples, reds, whites, olive — crooked lines, dots, 

 mottlings, zebra-like stripes and sometimes spirally banded. Parietal area 

 smooth, convex, white to yellow, and with a variable number of small, 

 irregular teeth. Operculum usually black. A very common, widespread 

 inhabitant of intertidal, brackish-water flats. 



Neritina reclivata Say Olive Nerite 



Plate 4g 



Florida to Texas and the West Indies. 



% inch in length, glossy, often with the spire eroded away. Ground 

 color brownish green, olive or brownish yellow with numerous axial lines 

 of black-brown or lavender. Operculum black to slightly brownish. Com- 

 mon in brackish water and also found in fresh-water springs near the seashore 

 in Florida. 



A globose form or subspecies (?) with a short spire and more convex 

 whorls replaces the higher-spired, typical form from Texas to Panama, but 



