216 TURBO. 



species, with the marginal scales less numerous. The golden 

 or orange-red callosity is characteristic. — Hab. Panama. 



91. ORICHALCEUS, pi. xii. f. 143, Koch (Trochus), Zeitsch. 

 f. Malakoz, 1848, page 110; Philippi, Conch. Cab. 360, 

 pi. xli. f. 2. — Testa depresso-conoidea, imperforata, apice 

 retusa, aureo-fulva ; anfractus priores complanati, deinde 

 concavo declives, superne oblique costati. deinde spiraliter 

 aculeati, inferne acute marginati, ad marginem spinis nu- 

 merosis (in anfr. ult. circ. 18) aculeatis compressis radiati ; 

 basis convexa, circulariter 5-6~costata, radiatim dense 

 striato-lamellata. 



92. LATispiNA, pi. xii. f. 137, Philippi (Trochus), Abbild. 

 et Beschr. Conch, vol. i. p. 92, pi. iii. — Trochus latispina. 

 Reeve, Conch. Icon. sp. 40. — Testa abbreviato-conoidea, 

 obtecte-umbilicata, cinereo-fusca, cseruleo-olivaceo et albo 

 lentiginosa ; anfractus planato - declives, acutimarginati, 

 granis oblique productis seriatim aspersi, ad marginem 

 squamis brevibus acutis radiati ; basis leviter convexa, 

 radiatim lamellato-striata, circulariter valide q^uinquelirata ; 

 apertura obliqua, angulata. Operculum ovale, extus album, 

 Isevigatum, arcuatim et late unicostatum. — Hab. West 

 Indies, Eio Janeiro, &c. 



93. stellaeis, pi. xi. f. 126, Gmelin — Trochus stellaris, 

 Lamarck, Reeve, Conch. Icon. sp. 47. — Testa late conoidea, 

 crassa, imperforata, spadicea; anfractus concavo-declives, 

 oblique corrugato lirati, ad marginem squamis magnis 

 subfimbriatis radiati; basis convexa, circulariter dense im- 

 bricato-lirata ; apertura rotunde ovata ; columella crassa, 

 argentea. Operculum crassum, extus albidum, obsolete 

 granosum. — A shell of much more solid growth than T. 

 longispiiia, costulatus, &c., with thicker marginal scales. — 

 Hab. South Sea, New Caledonia, &c. 



94. Chemnitzii, pi. xi. f. 127, Valenciennes, ' Voy. de la 

 Venus,' pi. ii. f. 1 — Trochus asteriscus. Reeve, Conch. Icon, 

 sp. 44. — Testa conica, sub-elata, imperforata, albida aut 

 fiavescente spadicea ; anfractus planato-declives, obliqiie 

 leviter rugati, ad marginem squamis magnis fornicatis 

 radiati ; basis lasvissime convexa, circulariter dense lirata, callo 

 centrali interdum roseo, interdum cgeruleo munita ; apertura 

 oblique ovata, peristoma simplex. Operculum oblongum, extus 



