LOO CHOO MOLLUSKS. 169 



COLUMBELLID^. 

 Columbella flava Brug.* Loo Choo Is. 

 Columbella scripta Lam.* Loo Choo Is. 

 Columbella (Conidea) discors (Jmel.* Yaeyama. 

 Columbella (Pusiostoma) mendicaria Linn, 

 Yaeyama. 1 live shell. 



MTiRiciD.a:. 



lilurex (Chicoreus) ramosus Linn. 



Yae3'ama. 12 large shells, full-grown, 1 half-grown. 

 Murex (Chicoreus) brevifrons Lam. 



Yaeyama. Found also in many parts of the islands. 21 shells 

 in various stages of growth. 



Jllurex adustus Lam.* 



Called Yako-Gai in all parts of the islands. 

 Murex (Chicoreus) maurus Brod. Tryon, Man. Vol, 2, p. 89, pi. 38, fig. 139. 



Yaeyama. 1 shell. 

 Rapanabezoar Linn. 



Kudaka Is, Native name, Ushi-no-tsurao, bora (bull's mouth 

 shell). 1 shell, mature ; 1 half-grown. 



Purpura persica Linn, var.* Kobashima. 



Purpura mancinella liinn.* Loo Choo Is. 



Purpura (Thalessa) armigera Chem. 



Called in Loo Choo Konpeto-Gai (konpeto meaning sweet-meats). 

 10 shells. 



Purpura (Thalessa) hippocastaneum L., var. sulcata Desh. 

 From Hirame Jima Is. 17 shells. 



lopas sertum Brug. Tryon, Man. Vol. II, p. ISO, pi. 55, fig. 189. 



Yaeyama. 1 live shell. 



Ricinula histrix Lam. 



Loo-Choo Is. 8 shells with rather light pink aperture, 10 with 

 darker. 



Ricinula horrida Lam. 



Yaeyama. Called Ushi no-guchi, momo, meaning bull's mouth 

 shell. 6 with apertures dark purple, 9 with apertures somewhat 

 lighter. 



