150 
PROCEEDINGS OF THE VICTORIA INSTITUTE. 
Plicatula Lamarck. 
220. 1*1. cristata Lam. Woodward, Man. pi. xvi, f. 17. 
Ostrea spondyloidea Meuschen. 
S]Dondylus plicatus Chemn. 
PI. reniformis Lam. 
221. O . Irons Linn. Wood, Ind. Test. Mytilus 3. 
O. folium Linn. (Reeve). 
O. limacella Lam. Chenu, Conch, vol. ii, p. 1005. 
O. rubella and erucella Lam. 
222. O. arborea Chemn. Wood, Ind. Test. Ostrea 71. 
O. radicum Chemn. 
O. parasitica Gmel. 
O. rhizophorse Guild. 
O. lingua and tulipa Lam. 
223. O. virginioa Gmel. Wood, J. T. Ostrea 68. 
I insert this name on the strength of a specimen collected 
at Chacachacare. 
Order Arcacea. 
Leda Schumacher. 
2l4. L. jamaicensis Orb. (var) Chenu, Conch, vol. ii, 
f. 901-903 
-25. L. patagonica Orb. Amer. Mer. p. 544, pi. lxxxii, 
f. 1-3. 
225. egregia Guppy, Proo. S. A. Trinidad, 1881, 
p. 174. pi. vii, f. 1-2. 
This resembles and may possibly be identical with Leda new- 
combi Angas from Colon. (P.Z.S. 1876 pi. xviii, f. 17.) It is 
a \eij fine species and of rare occurrence as it lives in 5-10 
fathoms water, 
