194 TURBO. 



— articulatus, Reeve — concinnus, Philippi — Ticaonicus, 

 Reeve. — Testa ovato-conica, solidiuscula, profunde anguste 

 iirabilicata, lutea aut viridula, castaneo-fusco superne radiata, 

 et basin versus spiraliter articulata ; anfractus 6, convexi, 

 parum angulati, liris valde inaequalibus uumero.sis rotundatis, 

 plus minusve elevatis, lieviusculis aut lamelloso-striatis 

 cingulati ; anfr. ultimus plus minusve descendens, sub- 

 solutus ; apertura subcircularis, fauce argentea ; peristoma 

 plicatum ; columella attenuata, ad basin vix effusa, sub- 

 plicata. Operculum circulare, crassum, extus albidum viridi 

 tinctum, leviter granulosum. — Another species in which there 

 is considerable variation both in form and style of painting. 

 — Hab. Indian Ocean. 



13. RADiATUs, pi. ii. f. 13, Gmeliny p. 3594, f. 19 — 

 Chemnitzianus, Reeve — spinosus, Kiener, non Gmelin — 

 speciosus, Kiener, non Reeve.- — Testa ovato-conica, imper- 

 forata, albida, strigis parvis fuscescentibus oblique undatis 

 picta; anfractus t), subangulati, priores 2, la^vigati, se- 

 quentes medio carinati, et spiraliter lirati ; ultimus longi- 

 tudinaliter lameiloso striatus, spiraliter liratus ; liris 2 

 medianis majoribus, squamis erectis spinosis asperatis ; aper- 

 tura subcircularis, fauce argentea ; labrum tenue, parum 

 plicatum ; columella arcuata, subdepressa, ad basin vix 

 effusa. Operculum crassum, extus granulatum, pallide oli- 

 vaceum. — A comparatively light species with the ribs closely 

 scaled, and tine laminar ridges crossing the interstices. Two 

 or three of the principal ribs are generally spinose. — Hab. 

 Gulf of Suez, Eed Sea. 



14. FOLiACEUS, pi. iii. f. 15, Philippi, Mon. pi. ii. f. 2, 3 — 

 laminiferus, Reeve, Conch. Icon. sp. 17; Homb. et Jacq. 

 Voy. au Pole Sud, Zool. t. v. p. 60, pi. xiv. — Testa ovato- 

 conica, profunde umbilicata, viridula, nigro-fusco radiata ; 

 spira conica, acuta, sutura canaliculata ; anfractus 6, rotun- 

 dati, spiraliter costati ; costis interdum lira intermedia 

 minuta separatis ; interstitiis radiatim striatis ; striis ele- 

 vatis lamellosis supra liras erectis ; apertura rotunde ovata, 

 fauce argentea ; labrum plicatum ; columella attenuata, ar- 

 cuata, ad basin parum etfusa. Operculum extus convexum, 

 profunde umbilieatum, pallide fuscum, ferrugineo-bifascia- 

 tum, squamis minutis confertis erectis pulcherrime asperatum, 

 ad latera sinistra callosum, deinde carina complanata mar- 

 ginatum. — An excellent species which there is no danger of 



