104 Dr. Maton’s and Mr. RACKETT’S 
——— Da Costa Brit. Conch. n 169. 1: 11.£ 4. ©. striata. 
! Chemn. Conch. 8. t. 77. f- 699. 
Encyclop. Method. t. 184. f. 5, 6. 
Pulteney in Hutch, Dorset. p. 36. t. 11. f. 4. O. striata. 
Donovan Brit. Shells, t. 45. O. striata. - 
. Montagu Test. Brit. p. 153. $ p. Roe t D TA 6. 7 p. 580. 
Habitat in mari, testaceis. adherens. 
Testa diametro 1 poll., tenuis, pellucida, plana, inter Padeseente- brunnea 
inter costas versus marginem. Differt ab 4. aculeata, quod major, 
et coste distantiores nunquam spinose. (Montagu.) 
- cymbi or- A. testa oblonga, rudi, substriata, umbone incurvato, 
mis. valvula planiore perforata. 
t. 3. f. 6. Schrót. Einl. in Conch. 3. t. 9. f. 13. 
Habitat in mari. 
x SLE longa, $ lata, tenerrima; albida. 4. Grypho similis. 
Several specimens, all resembling the figure we have 
given, were discovered by Mr ML ay. on 1 the coast of 
 Caithness-shire,. N. B. E P dS 
d 
MYTILUS. 
— Linn. Syst. Nat. n. 315. 
A; 
. Crista M. testa pi spool labro piroga WT m 
= galli, 
Side. up t. - 23. LAT - 
Sloane Jam. 1. t. 18. f. 1. 
Chemn. Conch. 8. t. 15. Po 683, 684; dis 75. x 685. 
Montagu Test. Brit. ; 31006 ee ET 
em Halitat 
LI 
