322 TRICHOTROPIS. 



4. Kuzeri, Philippi, (f. 13). — Ovali-ventricosa, tenuis, sub- 

 tavigata, anfractu ultimo inagno, costis quinque teuuibus distan- 

 tibus cincto, apertura subovali, magna ; umbilico lato. — Of an 

 oval, ventricose form, with five thin distant ribs. 



5. flavidula, Hi/ids, (f. 11). — Subconica, spira elevata, costis 

 quatuor, moniliferis, interstitiis latis, concentrice regulariter sul- 

 catis, apertura brevi, subtrigona, labro laqueato. — Almost conical, 

 with elevated spine, four beaded ribs on the body whorl, the in- 

 terstices concentrically sulcated. 



6. cancellata, Hinds, (f. 12). — Turrita, spiril elata, anfrac- 

 tibus rotundis, ventricosis ; sulcis concentricis et costis spiralibus, 

 crassis moniliferis cancellatis, apertura subrotunda ad terminuin 

 acuminata, columella arcuata, umbilico inconspicuo. — A turreted 

 shell with produced spine, rounded whorls cancellated by the 

 crossing of concentric grooves with thick, spiral, beaded ribs ; 

 aperture rounded, with acuminated lower extremity. 



7. cedo-nulli, A. Ad., (f. 4, 5). — Subgloboso-acuminata, 

 sulcis concentricis et costis moniliformibus spiralibus cancellata, 

 spira elevata ; apertura subrotunda ; columella subtruucata, re- 

 trorsa, labro medio sinuatim producto. — A beautifully cancellated 

 little shell, with a slightly recurved columella and sinuously pro- 

 duced outer lip. 



8. quadricarinata, A. Ad., (f. 15, 16). — Subconica, subla3- 

 vigata, anfractibus subquadratis, carinis validis duabus medio 

 cinctis ; apertura subquadrata, columella tortua, acuminata, labro 

 angulato margine basali sursum acclivi, spira elevata, acuminata. 

 — Subcorneal, rather smooth, with two strong keels in the middle 

 of the whorls, the intermediate space being lightly striated and 

 straight ; aperture quadrangular, acuminated at the lower part, 

 the columella slightly tortuous. 



9. conica, Miill., (f. 17). — Trochiformis, spira elevata; an- 

 fractibus angulatis, ultimo magno, biangulato, ad costis duabus 

 validis aJ angulos, una intermedia et una inferiori cincto; aper- 

 tura angulata, columella oblique truncata acuminata, labro externo 

 margine inferiori rectiusculo, vix acclivi. — This conical shell is 

 figured from drawings, kindly sent to me by M. March, of speci- 

 mens taken in Greenland. Since figuring it I have examined a 

 shell in the collection of A. Adams, Esq., which, although thicker 

 in substance, I believe to belong to the same rare species. 



10. insirnis, Midd., (f. 9). — Subglobosa, crassa, concentrice 

 rugata, confertim undulatim carinata; anfractibus paucis, ultimo 



