435 



St. Croix (Oersted), Havanna (Auber, Liebm.), St. 

 Anna, Mexico (Caspersen), Eleuthera (Krebs), St. Tho- 

 mas always over high water mark (Krebs, Cat. p. 60), 

 Riise, Magens etc. 



Monstrum: linea elevata spirali infrasuturali. 

 Hab. Vieques (Riise) spm. 1. 



Shg. Littorinopsis Beck mss. 

 L. subangulata Lam. typus. 



314. Littorina irrorata Say. 



T. crassa, spiraliter sulcata, jflava punctata. 



Littorina irrorata Say Journ. N. S. Philad. V. 2. 

 1822. June p. 239. 



Phasianella sulcata Lam. VIII. Acut 1822. p. 54. 

 Nr. 8. 



Phasianella sulcata Delessert. t. 37. f. 13. 



Littorina irrorata Gray Beecliy Voy. p. 138. t. 38. f 1. 



Littorina irrorata Phil. Abbild. 1846. t. 1. f. 4. 



Littorina irrorata De Kay New York p. 106. t, 

 VL f. 112. 



Hab. „Common in salt medows, in great numbers cling- 

 ing to the stems of salt grass at Haarlem (De Kay), 

 Carolina (Bosc, Kroyer), New Jersey (Fil.), Florida. 



* 315. Littorina Sayi Phil. 



„T. solidiuscula, spiraliter multisulcata, alba punc- 

 tis pallide rufis ornata; spira violascente; sutura pro- 

 funda; columella rufa; labro intus albo." 



Alt. 9'": diam. 6V2'"; alt ap. 5'". 



Littorina Sayi Phil. „Proc. Zool. Soc. 1845. p. 140." 



Littorina Sayi Phil. Abbild. VI. p. 49. f. 11. (1847.) 

 Hab. Florida (Say Mus. Cumg.) 



316. Littorina columellaris d'Orb. 

 T. crassa, spiraliter striata, albida, lutea vel luteo- 

 punctata, apice violacea; columella lata, fusco violaceo 

 maculata. d'Orb. Long. 13 mm.; diam. 9 mm. 



