BY EALPn TATE, F.G.S., ETC. 395 



in plicam dentiformem desinente ; apertura patula ; labro intus Icevi. 

 Long. 5-7, lat. 3 to 3-8 lines. 



Hab. Western Coast. 



[This is Elenchus irisodontes, Quoy & Gaimard (Trochus).~] 



Trociius prasinus, p. 16, No. 64. 



Tr. testa pyramidali, imperforata, ex olivaceo et prasino tincta, 

 basi plana concsntrice sulcata ; anfractibus planiusculis ; inferiori- 

 bus granulis oblong is longitudinaliter dispositis alutaceis, superioribus 

 ad suturam inferam nodiferis ; labro juxta columellas basin retortam 

 inciso. Diameter of base and height 1 inch 8 lines. 



Hab. Western Coast. 



Menke places this between T. cuerulescens, Lamk., and T. 

 obliquus, Ghnelin. 



Trociius ciliaris, No. 66, p. 17. 



Tr. testa pyramidali, imperforata, fulva, maculis rujis suturas 

 sequentibus variegala, transversim striata ; striis tenuissimis decus- 

 sata, basi plana ; anfractibus planulatis, inferius marginatis, 

 superius ciliato-fimbriatis ; apertura ovato-laneeolata ; labro intus 

 callo marginato. Diam. of base 15, alt. 12 lines. 



Hab. North-western Coast. 

 [A Ziziphinus.~] 



Trociius viridulus, No. 67, p. 17. 



Tr. testa oblique pyramidali, imperforata, flavo-virente ; basi 

 convexiuscula ; anfractibus transversim sulcato-striatis, utringue 

 marginatis ; sutura profunda ; apertura subquadrangulari ; labro 

 intus Icevi. Diam. of base 3, alt. 3-5 lines. 



Hab. Western coast. 

 [A Zizypliinus.~\ 



