409 MELVILL AND STANDEN : SHELLS FROM LIFU. 



Triforis trisioma Blainville. — One beautiful specimen, in 

 fresh condition, and characteristic. Also from Australia. 



T. (Ino) collaris Hinds.- -Very pretty and striking, with spiral 

 rows of gemmules on a darker body-ground. Many ex- 

 amples. Also from the Hawaiian Islands. 



T. (Ino) corrugatus Hinds. — A well-known conspicuous 

 species. 

 [We have also in the collection many unidentified species 



of Triforis]. 



Cerithium abbreviatum Brazier. — Many, of ordinary char- 

 acter. 



C (Vertagus) attenuatum Phil. — Perhaps more commonly 

 known under the name of C. longicaudatum. It is a hand- 

 some form with a conspicuously retrorse canal. 



Biltium aeolomitres M. & S., p. 298, 1896. 



B. albocinctum M. & S., p. 299, 1896 



B. marileutes M. & S., p. 299, 1896. 



B. uveanum M. & S., p. 299, 1896. 

 Cerithiopsis adelpha M. & S., p. 302, 1896. 



C. aurantiaca M. & S., p. 300, 1896. 

 C. catenaria M. & S., p. 300, 1896. 



C. eutrapela M. & S., p. 301, 1896. 



C. Fosterae M. & S., p. 301, 1896. 



C. hedista M. A; S., p. 302, 1896. 



Family rLANAXID.h. 



Plesiotrochus Souverbianus Fischer. — We (erroneously) 

 included in our first list this species under the name of 

 Cerithium dttbium Sowb., to which it bears some super- 

 ficial resemblance. It is a highly interesting species, 

 allied to the Australian Riscllce, trochoid in shape, and 

 beautifully crenulated, also mottled with brown bands and 

 lines. A great many specimens. 



Family VERMETID.E. 



Vermetus cf. glomeratus Chem. — About half-a-dozen small 

 contorted groups of what may be this Philippine form 



