230 TURBO. TURBAN. 



98. Turbo Sandvicensis. Walker, f. 55. 



Shell white, transparent, with three reticulate spires : 

 aperture oval, with a single tooth. 

 At Sandwieh : minute. 



99. Turbo Isevis. Walker, f. 35. 



Shell oval, obtuse, white, transparent : spires th-ree, re- 

 versed, rounded ; the first very large : aperture roundish. 

 From Reculver : minute. 



100. Turbo albulus. Linn. Trans, iii. pi. 13. f. 17, 18. 

 Shell opake, with five longitudinally ribbed spires : aper- 

 ture roundish, not margined. 



Pembrokeshire coast : minute. 



101. Turbo scriptus. Linn. Trans, iii. pi. 13. f. 11, 12. 

 Shell smooth, opake, with three spires, marked with 



brown lines resembling those on the Lichen scriptus : aper- 

 ture roundish. 



Pembrokeshire coast : minute. 



102. Turbo subarcuatus. Linn. Trans, iii. pi. 13. f.27,28. 

 Shell white, transparent, a little curved towards the tip, 



with ten longitudinal ribbed spires. 

 Pembrokeshire coast : minute. 



103. Turbo Adamsii. Linn, Tram. iii. pi. 13. f. 31, 32. 

 T. elegans. 



Shell with six spirally striate volutions, and remotely 

 ribbed longitudinally : aperture oval. 

 Pembrokeshire coast : minute, 



104'. Turbo divisus. Linn. Trans, iii. p. 254. 



Shell white, transparent, with four spires, each divided 

 into two parts ; the ypper p&rt smooth ; the lower part stri- 

 ate circularly ; aperture somewhat oval. 



Pembrokeshire coast : minute. 



105. Turbo subrufus. Linn. Tram. v. pi. 1. f. 18, 19. 



Shell dull red, smooth, opake ; spires five, somewhat an- 

 gular on the upper part, where each is marked with a white 

 transverse band. 



Pembrokeshire coast : minute. 



VENUS. 



