170 LOO CHOO MOLLUSK8. 



Bioinala araohnoides Lam. = K. ricinus Linn. 



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

 shell. 5 shells. 



Sistrum ooncatenatum Lam.* Loo Choo Is. 



TBITONIDJE. 



Triton tritonis Linn. (= T. variegatus Linn.) Tryon, Man. Vol. 3, p. 9, pi. 3-5, fige. 

 16-25. 



Yaeyama. 10 shells, full-grown ; 25 smaller (very fine live 

 shells). 



Triton nodiferus Lam. Tryon, Man. Vol. 3, p. 10, pi. 1, fig. 3; pi. 3, fig. 417. 



Yaeyama. 2 live shells. 



Triton (Simpulum) pilearis Linn, (var.) Tryon, Man. Vol. 3, p. 12, pi. 6, figs. 31- 

 36. 



Yaeyama. 11 live shells. 

 Triton (Gutternium) tuberosus Lam.* 



Yaeyama. Native name, Ushi-no-hana, bora (bull's nostril shell). 

 4 live shells. 



Triton (Lotorium) clavator Chemn. = T. esilis Rve. Tryon, Man. Vol. 3, p. 21, fig. 

 86. 



Yaeyama. 1 young shell. 



Triton (Cymatium) pyrum Linn. Tryon, Man. Vol. 3, p. 19, pi. 11, fig. 79; pi. 10, 

 fig. 76. 



Yaeyama. 1 living adult shell. 

 Ranella (Lampas) bufonia Gmel. (var.). Tryon, Man. Vol. 3, p. 39, pi. 21, fig. 68. 



Yaeyama. 7 live shells. 

 Ranella albivaricosa Rve. Tryon, Man. Vol. 3, p. 38, pi. 18, fig. 6. 



Yaeyama. 1 live shell. 

 Ranella (Lampas) lampas Linn. Tryon, Man. Vol. I, p. 38, pi. 19, fig. 12. 



Yaeyama. 5 shells typical. 5 shells with lighter colored aper- 

 ture, perhaps only older shells. 

 Ranella (Lampas) granifera Lam. Tryon, Man. Vol, 3, p. 41, pi. 22, fig. 35. 



Yaeyama. 1 live shell. 



CASSIDID.ff:. 

 Cassis rufa Linn. Tryon, Man. Vol. 2. p. 273, pi. 3. fig. 57. 



Yaeyama. 2 fine live shells. 



