VITRINOIDEA, LACONIA, VITRINOPSIS. 159 



whorls 3, last whorl narrow below ; aperture large, ovate, showing 

 the spire. Diam. 11, alt. 4 mill. 



Philippines. 



Saul to resemble V. Teneriffae, Quoy, of the Canary Islands. 

 The drawing of the animal shows fasciations on the flanks ; there 

 is no mucous pore. 



Y. AUREA, Pfr. Unfigured. Solomon's Islands. 



y. FUMOSA, Pfr. Unfigured. Habitat unknown. 



Genus VITRIXOIDEA, Semper, 1873. 



Y. ALBAJENSIS, Semper. PL 35, fig. 11. 



Shell globosely depressed, very thin, with horny cuticle and 

 very thin calcareous structure ; whorls 3^. 



Isl. of Albay, Philippines. 



The single specimen was broken in transmission so that a 

 complete diagnosis could not be given. 



Genus LACONIA, Gray, 1855. 



L. FERUSSACI, Gray. PI. 35, figs. 12, 13. 



This animal and its shell are only known by a figure in Fe'rus- 

 sac's Hist, des Mollusques. The shell appears to be entirety 

 covered by the mantle, and yitrinoid in character. 



Habitat unknown. 



Genus VITRIXOPSIS, Semper, 1873. 



y. TUBERCULATA, Semper. PL 35, fig. 14. 



Shell membranaceous, flat, with 2 whorls, aperture horizontal. 



Bohol, Philippines. 

 Described from a single specimen. 



y. TIGRINA, Semper. PL 35, figs. 15, 16. 



Shell somewhat more solid than the preceding species, whorls 

 2, flattened, aperture horizontal, lip sharp. Diam. 7 mill. 



Near Manilla, Philippines. 



Described from a single specimen. The shell was broken in 

 extracting it from the mantle-lobes. The name is from tiger- 

 like black and j^ellow markings on these lobes. 



