CONCnOLOGY. 151 



SoLARirM, Lamarck. 



Shell iiugulated at the pcriplioiy. Operculum Hat, subspiral. 



* ,, PEESrECTIVUM, L. 



ToRixiA, Grai/. 



Shell rouncl(Ml at the periphery. Operculum elevatcil, suhspiral. 

 ,, rEKsrKcnviUNCiTLUS, E. A. Suiith. Auilauians. 



Sub-order TOXIFERA. 



Animal provided with a distinct retractile proboscis, furnished witli a flesliy tube 

 having a bundle of subTilate barbed teeth at the end, which act very efficaciously in 

 boring through the shells of other molluscs. 



Adausou states that the tubuhir expansion of the veil serves as an oral sucker to 

 attach the animal to its prey, the armed tube acting meanwhile as a powerful boring 

 instrument. 



Family Conidae. 

 Operculum when present unguiform, witli an apical nucleus. The Cones should 

 be cautiously liandled when alive, as they can bite severely, 



*Co.N-us NicoDAnicus, Hwass. 



* ,, TKXTII.K, L. 



* ,, PANNACiius, Born. 



C. episcopus, Reeve. 



* ,, ACiiATiNXJs, Chem. 



* ,, MINIMUS, Brug. 



* ,, co»coi,oij, Sow. 

 *• ,, i.ixEATus, Chem. 



* ,, KArrus, Lara. 



* ,, CAPITANEUS, L. 



* ,, GLANS, Brug. 



* ,, VKKMICULATUS, BrUg. 



* ,, zo.VATUs, Hwass. Andanums. 



* ,, AxDAMANEN'Sis, E. A. Smith. Andamans. 



* ,, PRETiosus, G. and H. Nevill. Andanums. 



* ,, Masoni, G. and H. Nevill. Andamans. 

 *(Stepiianoconus) LrviDus, Brug. 



* ,, Di.sTANS, Hwass. 

 *(PirjfCTrcTrLis) puLiCAEirrs, Hwass. 



(COKONAXIS) HeBR.EDS, L. 



,, Ceyxone\.sis, Hwass. Andamans. 



,, PUsiELUS, Chem. Andamans. 



*(DEXDK0C0NtIs) BETITLINUS, L. 



*(LiTnocoNus) EBUENEUs, Brug. 



* ,, FLAviDus, Lam. 

 *(Leptocont7s) Clekti, Eeeve. 



* ,, NOBILIS, L. 



,, WAECHIOXATUS, Hluds. 



*(CnELTCONUs) CATUS, Hwass. 



* ,, PARIT7S, Reeve. 

 *(Rhizoconus) punctatus, Chem. 



„ MUSTELiNus, Hwass. Andanums. 



Sub-order ROSTRIFERA. 

 A more or less elongate, contractile rostrum. Lingual ribbon often very long. 



