ETHALIA. 4()1 



arcuate, colnmellar margin expanded in a I'osy, tongue-shaped callus, 

 partly covering the umbilicus. 



Diam. 7, alt. 4 mill. ; aperture, diam. o, alt. 2 mill. {Martens.) 

 Owen Id., Mertjui Archipelago ; Mlndoro, Philippines. 



Isanda pulchella Ad., P. Z. S. 1853, p. 190. — Von Martens, 

 Shells of Mergui, etc., Journ. Linn. Soc. Lend, xxi, p. 197, 1887, t. 

 16, f. 3. 



Has much more the aspect of Ethalia than Isanda. The umbili- 

 cus is quite bi'oad, and in the adult about half covered by the 

 ex2>anded columella. 



Species allied to Teinostoma, erroneously referred to Ethalia. 



Ethalia lirata E. a. Smith (pi. 59, fig. 40). P. Z. S. 1871, p. 

 737, t. 75, f. 23. 



Whydah, W. Africa. 

 Ethalia plicata E. A. Smith (pi. 59, fig. 41). P. Z. S. 1871, 

 p. 737, t. 75, f. 24. 



Whydah, W. Africa. 

 Ethalia Candida A. Adams (|)1. 59, fig. 42). Ann. Mag. N. 

 H. 1862, p. 296.— Conch. Icon., £ 14. 



Gotto Is., Japan, 71 fms, 

 Ethalia polita A. Adams (pi. 59, fig. 55). Ann. Mag. N. H. 

 1862, p. 296.— Conch. Icon., f. 17. 



Gotto Is., Japan, 71 fms. 

 Ethalia omphalotropis A. Adams. Ann. Mag. N. H. xi, j). 

 266, 1863. 



Yobuko, Japan, 17 fms. 

 Ethalia nitida A. Adams. Ann. Mag. 1865, p. 266. 



Yobuko, Jajxin, 14 fms. 

 Ethalia atomaria A. Adams. Ann. Mag. N. H. 1861, viii, p. 

 305. 



Kala-hai ; Shan-tung, China. 

 Ethalia perspicua A. Adams (pi. 58, fig. 16). Ann. Mag. N. 

 H. 1861, viii, p. 306.— Conch. Icon., f 15.— Thes. Conch., f. 17. 



Kala-hai; Shan-tung, China. 

 Ethalia sobrina A. Adams (pi. 59, figs. 43, 44). Ann. Mag. 

 1861, viii, p. 306 ; xi, p. 266.— Conch. Icon., I 19. 



Kino-0-Sina; Takano-Sivia, Japan, 25 fms. 



