HELICARION. 173 



whorls 4 ; columellar lip a little reflected above, forming a false 



rimation. Diam. 20, alt. 12 mill. 



7ns. Bohol, Philippines. 



H. GUIMARASENSIS, Pfr. PI. 39, figs. 78-80. 



Depressed semiglobose, thin, striulate, subdiaphanous, greenish 

 yellow, suture margined ; whorls not 4, rapidly enlarging, the last 

 inflated, subdepressed. Diam. 15, alt. 8 mill. 



Ins. Guimaras, Philippines. 



H. BECKIANUS, Pfr. PI. 39, figs. 81-83. 



Depressed semiglobose, very thin, striulate, pellucid, shining, 

 light greenish yellow; whorls almost 4, rapidly enlarging, the 

 last subdepressed, base wide ; columellar lip slightly reflected 



above. Diam. 16, alt. 8 mill. 



Philippines. 



H. POLITISSIMUS, Beck. PL 39, figs. 84-86. 



Rather thin, smooth, highly polished, diaphanous, corneous 

 with darker rays, suture submargined ; whorls 4, rapidly enlarg- 

 ing, the last depressly-rounded, base wide. 



Diam. 14, alt. 7'5 mill. 



Ins. Zebu, Philippines. 



H. LEYTENSIS, Beck. PI. 39, figs. 87-89. 



Rather depressed above, more convex below, very thin, smooth, 

 highly polished, greenish yellow; whorls 3, rapidl} 7 enlarging, 

 the last subplanate above; columellar margin slightly reflected 

 above. Diam. 13, alt. 7 mill. 



Philippines. 



Var. /9. A little larger, subopaque, yellowish white. 



H. MARGARITA, Beck. PI. 39, figs. 90-92. 



Very thin, striulate, shining, pellucid, greenish yellow ; whorls 

 3-j, the last large, inflated; lip very thin. Diam. 14, alt. 8 mill. 



Philippines. 

 H. TIGRINUS, Semper. PL 39, figs. 93-95. 



Yery thin, striulate, shining, yellowish white, suture smooth, 

 margined ; whorls 4J, rapidly enlarging, the last inflated ; colu- 

 mellar lip a little reflected above. Diam. 15'5, alt. 9 mill. 



Jibon, Ins. Mindanao, Philippines. 



The animal is variegated with black and yellowish gray. 



