The Natural Hiftory of JAMAICA. 
261 
This I found in. the Seas adjoining to ‘famaica, and have had it from 
the Shores of Carolina. 
XXXVI. Pectunculw: crbicularis planior rugofus. Lift. Hift. Conchyl. Tab. 
281. No. 19- 
This in every thing refembles the ordinary Cockle only ’tis lefs, and 
{triated by concentric Circles as if drawn by a Pair of Compaffes from the 
Cardo, one Leg or Point being placed there. ’Tis of a brownifh Colour. 
I found it on the Shores of Famaica. 
XXVIII. Pectunculus albus admodum craffus, fina five fulca confpicuus. Lift. 
Hift. Conchyl, Tab. 305. No. 138. de 
This is about an Inch and an halfin Diameter, almoft as deep, with- 
out any apparent Série, very white, thick and having a Sixws running 
from the Cardo on one fide to the Circumference. 
I found it on the Shores of Samaica. 
XXVIII. Pectunculus albus, minimus profundus, ftriatus. Fab. 24%, Fig. 
18, 19. 
This is halfan Inchin Diameter, white, very deep and’ thiek, ftriated 
with Ribs and Furrows from the €ardo to the Circumfererneé which are 
croffed by concentric Circles, making it reticulated. 
I found it with the former. 
XXIX. Peéctunculus parvus, albus, profundior, tenuiter undatus. Lift. Hift. 
Tab. 301. No. 142. | 
This is three quarters of an Inch in Diameter, very thin and tran- 
fparent, deep or hollow, and having waved or crooked Lines going 
crofs the outlides of th: Valves, | 
I found it with the former, and have had it from Swaratte in the Eaft- 
Indies. : | 
© # ap: XIE 
Of Oyfters, Mufcles aad Pholades: 
I. Strea oblonga arborea. Tien differente Schulpies fonder doubletten, 
waare onder een Hammekammotie Herm. p. 49. No. 425. Oftrea ar- 
borea dorfo uncato. Oftracea annexa baculo, Alarov. Lift. Hift. Tab. 197. 
No. 32. 
Tree-Oyfers, or, Mangrove-Oyfters. 
This is about two Inches long, three quarters of an Inch broad, 
whitifh, about half an Inch deep, finuated or waved on the Edges, 
crooked and fticking to Stones, Trees or Coralline Branches by the 
bick Part. 
Uuu It. 
