68 
T. Brmacurata, Lin. 1120.—D. p. 101.—Lam. 
02.—Ch. f. 127. E. M. t. 290. f..9.—Da. Cos. p. 
213.—Pen. 4. p. 183.—Mont. p. 169.—Lin. T. 8. p. 
57.—Don. t. 19. f.1.—Dor. Cat. p. 31. t. 5. f. 7. 
Wood. G. C. p. 192, t. 45. f. 6, 7.—Turt. C. D. p. 
178.—F’. p. 435.—Turt. B. p. 104.—Rounded-trian- 
gular, nearly smooth; obtusely truncated, a little 
angular and shorter anteriorly ; compressed, variable in 
colouring, being often white with a deep red oblong 
spot on each side of the hinge, sometimes uniform 
whitish, cream coloured or violet, at times with linear 
purple arrow headed radiating markings (Turt. B. t.&. 
f. 5.) or with six (T. SexrapiaTa. Lam. 53.—E. M. 
t. 290. f. 10.—ChA. f. 1326.) purplish brown rays; 
hinge with a single cardinal tooth in one valve, two in 
the other, two lateral in each. 2...2. W. Coasts. 
T. Depressa. Gmel.3238.—Lam. 22.—D. p. 91. 
—Pen. 4: p. 179.—Don. t. 163.—Lin. T. p. 51.— 
Dor. Cat. p. 30. t. 5. f. 2.—Wood. G. C. p. 171. t. 
45, f. 3.—Turt. C. D. p. 171.—Turt. B. p. 105. t. 8. 
f. 6.—T. Seuauiwa. Mont. p. 56 —F. p. 436.—T. 
IncarnaTa. Poli. 1. ¢t. 15. f. 1.—Oval-oblong, ante- 
riorly produced, attenuated and pointed, posteriorly 
rounded, ventral edge little arcuated in the middle ; 
compressed, pinkish flesh colour or orange, with two 
