Hawaiian Species of Helicina. 13 



face. It is only known, at present, from bleached specimens found 

 on the Koloa beach. 



So far this is the only representative of the group related to 

 H. iiberta from the island of Kauai. 



Helicina uberta Gould. 



Helicina uberta Gould, Proc. Bost. Soc, ii, 1847, p. 202. Helicina tiberta 

 Gould, U. S. Exp. Exp., Moll., p. 94, pi. vii, fig. 114- 



Gould reported the habitat to be Maui and Oahu. The only 

 locality from which typical forms are collected at present is in the 

 Waianae mountains. Specimens from back of Leilehua, in the 

 Waianae mountains, agree very closely with the type shell (No. 

 5516, Smithsonian Institution). 



var. magdalense (Ancey). 



Fig. 14. 

 Helictnce magdalenes Ancey, Bull. Soc. Malac. France, vii, 1890, p. 342. 



The variety is only found on the Pauoa side of Mt. Tantalus. 

 No representatives of the typical form or of the variety have been 

 reported, so far, from the region between the Waianae mountains 

 and Mt. Tantalus. . 



The variety differs from the typical form in size, and in the 

 former there is usually an impressed spiral line just below the peri- 

 phery. A shell of the type form measures : maj. diam. 4.5, total 

 length 3.8 mm. 



The variety is from 4.9-5.6 mm. in diameter, while the total 

 length is from 3.3-4.0 mm. The variety is usually of a redder 

 color. Both the variety and the typical form are characterized hy 

 a thick, pinkish parietal callus. 



Helicina baldwini Ancey. 



Helicina baldwini Ancey, P. Malac. Soc. London, vi, 1904, p. 126, pi. vii, 

 fig. 24. 



This is the largest species so far reported from the Hawaiian 

 Islands. It is chief!}' characterized by its relative large size, 

 depressed conical form which is angular at the periphery, and 



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