MOLLTSCA. i. SMITH. \r, 



The apical whorl is smooth, rounded at the top. and the rest have t\vo prominent 

 keels round the middle, and a third adjacent to the lower suture. They are concave 

 liet\veen the carina-. and exhiliir some rather obscure spiral lines in the interstices, 

 more visible on the lower than on the upper whorls. 



'.). ( '/-I'/iii/ii/ii ti'-i//i'ii>ti (< imeliii). 



l'<i/r/lu in-iili'iitn. (iinrlin, Svst. nut., ji. .'toll.'! (1790). 



Pntelln fnriiii-iilK <i<-nl, <il,i. ( 'licinnit/.. Conch. Cab., vol. X, p. :!:5-J, pi. I (is, li-s. Uli'l, HiiT). 



Crejiii/iilit <tni/,'iit<i : Carpenter. Ma/.atlan Cat., ]>p. I'liS --J7 | . A full clisriissioii of (lie sprrjrs. 



Station 42, off Rio de .laiieiro : 40 fatlioms. 



The specimens from this station are small, thin, white externally, delicately 

 spinose. with a red stain within in the depth of the shell. Chemnitz gave West 

 Indies as the locality for his specimens. 



If C. lii/xtri.i-. Broderip, and >'. rf/iiintx. Broderip, as suggested by Carpenter, 

 Reeve, and Tryon, belong to this species, it has a verv remarkable distribution. 

 D'Orbigny * has quoted it from Patagonia, l!io de Janeiro, and the West Indies. It 

 is also known from Cape Colony. 



10. Trochilina candeana (d'Orbigny). 



Iiil'iiinltliiiliiiii riinili'iiniiin, d'Orliit;iiy. in Ramon de la Sacra's Hist. Cuba, Mollusques, vol. II, 



p. 1'JO, pi. XXIV, fi-s. -J8, 29" (istc,;. 

 I'ltli/jilni'a i-nnih-nnn : Tryon, Man. Condi., vol. V1H, pi. XXXIV, ti c us. 70, 77 (copy of 



d'( >rbigny). 



Station 42, off Rio de Janeiro : 40 fathoms. West Indies (d'Orbigny). 

 This little species in general aspect resembles the young of the European < 'alyptrcea 

 cliini'nxix (Ijinn.). but is separable on account of the perforate axis and a smaller proto- 

 concli. 1 )'( )i i bi^nv mentions verv fine radiating stria 1 , but after a careful examination 

 of his tvpes and the numerous specimens from Station 4l', I have failed to observe any 

 such marks. 



11. Calliostoma ///////'////// (1'hilippi). 



7Vo,7,.v nnl.ilns, Philippi, Zeitsdi. Malak., 1848, p. 110 : Conch. Cab., p. ^>r,, pi. XXX VI IT. 



fiK. -' 



Calliostoma nnliilix (x.V) : I'ilsbry, Man. Conch., vol. XI, p. 344, pi. XVIII, fig. '2-. copv of 

 Philippi. 



Station 4:2, off Rio de .laiieiro : 40 fathoms. 



A single specimen, with a rather taller spire than the type, but agreeing in other 

 respects. Calliostoma rioeilfte, l>all. is a close! \' allied sjiecies. 



12. Xiifii/ii iirii<jiiiii/i:iixifi. Smith. 



Nni-iilii uruguayensis, Smith. Ann. Ma^. Nat. Hist,, issn. vol. VI. p. .'li'ii : /</.. "Challenger" 

 Lamellibranchiata. p. i'L".t, pi. XVIII, fi^s. ll'-ll'ii. 



Station 42. off Rio de Janeiro : 40 fathoms. 



Voy. AIIK'T. MLTJC!.. vol. V. }>. 4(U Sagi'a\ Hist. Cuba, Moll., vol. II. p. I'.H. 



