228 ZnoliKjical Suuirtrj. 



CvcLOSTREMA PLANORBULA, Adams. ('. ic'std orbiculari, plan- 

 orMd; spird depressd, anfractibus l.^ilus, rotundas, su^ 

 distinctis; aperturd subcirculari, supra angulatd ; umhdico 



//SrS>faud of Luzou, 10 fathoms, sandy xnud ; H. C. (Mus. 

 Cuming.) 



Cyclostrem A PLANA, Adams. C. testd orbiculari, dorso plano- 

 conZlTspM dep^essd, anfractibus pla.is, supra transvers^n^ 

 sZlaZ infra iJbus ; aperturd subcirculan, supra angulatd ; 

 umbilico peramplo, anfractibus ^"'"^^^''^i^'^"!^;^ runnns ^ 

 Hab. Dumaguete, island of Negros ; H. C. (Mus. Cummg.) 

 Cyclostrema micans, Adams. C. testd turbinatd, minutdalbd 

 SSdl anfractibus conrexis, longitudinaliter obhque costeUatis, 

 T^L-sL carinulatis, carim'Jis nodulos^s; umUhco med^ocr^; 

 anerturd circuJari ; peristomate continuo tncrassato 

 Hab Zt Lincoln ; Metcalf (Mus. Cummg and Metcalf.) 

 Cyclostrema elegans, Adams. C. testd orbiculari, discorded, 



""t^u^^nupellucidd ; spird '^^pressd, afact^busr^u^^. 

 transversim omnino striatis ; suturis distrnchs ; apertuid sub- 

 circulari, supra angulatd ; vmbihco peramplo. . „ r 



M.Sibo^ga, island of Zebu, 10 fathoms, sandy mud, H. C. 



(Mus. Cuming.) , . ,. ■■, ^ 



Cyclostrema svlcata, Adams. C. testd orbindan, drsc^d^ 

 spird planiusculd, anfractibus conm ^^'^^^^^ ^"^^^ 

 confertis regularibus, interstitns profunda sulcom , sutuns 

 '';$ldis cLuculatis ; umbilico patulo ; P^ron^ha^ /-- 



Sai. Tambav, island of Negros, coarse sand, 6 fathoms, U. C. 

 (Mus. Cuming.) 



Cyclostrema angulata, Adams. C. testd orbiculari discorded ; 

 sih-TlTessd, anfractibus transversim costellatis costells 

 feldarZs, Jquidistantibus, interstitiis tenmssime strraUs; 

 Zffatu ultimo biangnlato, supra costellato, in media piano, 

 "i$a:osteZo; aperturd srlbangulatd ; peritremate rnter- 

 ruvto ; umbilico per magno. ^„a . n C 



Hub Sibonga, island of Zebu, 10 fathoms, sandy mud; H. C. 



(Mus. Cuming.) 



Separatista, (jrra_\. 



.. ,. .„,„ nnpveulum ? Testa orbicularis, subdiscol- 



'^^:^::ibX^^^ontigu-, ultimo disfincto ; aperiurd 

 paLld!effusd, angulis subcanaliculatis ; umUUcus magnus, m- 

 fundibuliformis, usque ad apicem. vT„„.f„„t founded 



Th^e CorJoi Sejunnachev and th^^^ 



7^^'"'^:^ SSLh^ tSSm by theligure ,i..u in 

 oS" ' sis' to b ".n Atlanta badly drawn in an inverted posjuon. 

 ?nd indeed is founded upon the "Come d'Ammon Yivant ot Le- 

 sueur, Atlanta Peronii. 



Separatista, Gray (not described). 



