204 Dr. Maton’s and Mr. Rackert’s 
Adams Microsc. t. 14. f. 13. 
Testa minuta, alba, pellucida. 
From Reculver; extremely rare. 
29. | 
unispira- H. utrinque umbilicata, apertura rotunda, unici an- 
lis. fractus. Walker Test. Min. cuf È T: i 2T. 
Testa minuta, alba, opaca, glabra. 
From Sandwich; not common. 
30. 
striata. H. striata, apertura subovali, anftactibiis supra dorsa- 
libus. Walker Test. Min. Rar. t. 1. f. 29. 
Adams Micr. t. 14. f. 13. 
Testa minuta, viridescente-alba, pellucida. 
From Sandwich ; very rare. 
3E EA 
coarctata. H. anfractibus duobus ; apertura sibrótifida, ad um- 
bilicum coarctata. Walker Test. Min. Rar. t. 1. f-30. 
Testa alba pellucida. An Testa junior? 
From Sandwich ; not common. 
The following five species a are d from Mr. CERES s spe- 
cific characters of minute shells s found. on the coast of 
Pembrokeshire. 
32. e 
tubulata. H. tribus anfractibus longitudinaliter striatis. Adams 
in Act. Soc. Linn. 3. p. 67. t.13. f. 35, 36. 
Obs.—* Singularis hac in specie ést constructio, nam 
testa umbilici loco, tubo marginato qui extra teste 
ospericiem extenditur instructa est. 
bs | : 
variegata. H. testa levi, quatuor metus NE eeniricosiore, 
| lineis rubris notatis. Adams in Act. Soc. Linn. 3. p. 67. 
Obs.—« Basi im ea e aege meng apertura 
margine patentissima.” 5 
34. fasciata. 
