TEICHOTROPIS.— Plate I. 



Species 4. (Miis. Brit.) 



Trichotropis Kuzeri. Tri. testa suhfusiformi, costis 

 distinctis, subdistantibus cinctu, epidermide sira- 

 mineo-subviridi indutd ; spird conied, anfractibus 

 paucis ; umbilico magna ; apertvrd magna, subovatd, 

 antice posticeque acuminata. 



Kuzer's Trichotropis. Shell subfusiform, encircled 

 with distinct rather distant ribs, covered with a 

 greenish straw-coloured epidermis ; spire conical, 

 with few whorls; umbilicus large; aperture large, 

 subovate, anteriorly and posteriorly acuminated. 



Philippi. Menke Zeitschrift, 1848. 



Trichotropis DoUiini. Petit. 



Trichotropis ciliata. Kuzer. 



Hab. Spitzbergen. 



Species 5. (Mus. Brit.) 



Trichotropis insignis. Tri. testd crassd, sulgloLosd, 

 epidermide pal lide fused indutd, costellis undulatim 

 crenulatis cinctd ; aperturd subquadratd, marginc 

 cren u lata ; urn b ilico parvo. 



The wonderful Trichotropis. Shell thick, rather 

 globose, covered with a pale brown epidermis, 

 encircled with undulating crenulated ribs; aperture 

 rather square, with crenulated margin ; umbilicus 

 small. 



MiDDENDORF. Malac. Ross., p. 107, t. 10, f. 7, 8, 9. 



Hab. Behring's Straits. 



This 

 rest. 



5pecies is extremely different from all the 



