57 © WORMS. TESTACEA. 66. Oftrea. 
Chem 7 i. conch. 7. tah. 67, fig. 647, 648. 
lahifaitiTranquebar; fometimes of one colour, which is sacfl 
orange, foinecimes varied with undulate brown red or 
reous fpots : upptr-ualve more convex. 
Sauciata. Shell white with purple fpots and numerous unequal ra)'®’ 
the margin crcnate. ^ 
^ Inhabits the Red Sea, Chemn. conch. 7, tab. 69, H. 
Cnnulaia. Shell_ oblong, with undulate rays and- ftrite, and tranfvf’^*^ 
interrupted bands : margin crenulate. 
Inhabits Liner conch, tab. 175, /. iz. a. Small. 
hmominata Shell roundifh, fpotted, with deep grooves very finely 
tranfverfely : margin crenulate. 
Inhabits Li Her conch, tab. 175, /. iz. b. Small. 
One of the ean hardly vifible, 
Kufefcer.!, Shell roundifh, pale rufous, with 24 rays : the ears 
decuffate ftriae. 
Inhabits r Lider conch, tab. i%o, f i-, Middle-fized- 
Sjuamatn. Shell roundifh, with thick rays furnifhed with dirtant p^' 
rallel fcales, and prickly at the fides. 
Inhabits LiHer conch, tab. 183,//^. zo. 
Shc/J convex, fpotted j the margin crcnate. 
Jjionjnta. Shell rather oblong, with narrow fcaly rays, the interfii'^^^ 
broader and ftriatc perpendicularly: ears wlthperp®^^ 
diciilar wrinkles. 
Inhabits Lifter conch tab. I 84, f. l\. 
Shell varied with angular lines and fpots. 
tlecemradi. Shell flattened, with 10 fmooth flat unequal rays: 
ata. tranfverfely flriate. ^ ^ 
Inhabits I’fer conch, tab. i 2 S, f. 2S1. 
Tenuis, Shell thin, with depreffed fcaly rays: ears fhort. 
Rump/. Muf tab. 44, frg. C. 
2. Regenf. conch, i. jab ia, fig. 45; 
Inhabits India and the North Seas. 
Shell bay, or cinereous fpotted with black, fometimes white 
carmine or pale orange. 
Fakntii. 20 rays and tranfvcrfe femiluaar bands. 
Inhabits India. Valent, abh. tab. 1 3, f 2. 
Shell vci.. refemblcs O. maxima, but the farr are unetjual. 
