504 Mr. Grab's Monograph on the Ci/prcBidcB. 



inner side ; margin above denticulated, and sometimes with a few 

 small, obscure, brown spots; the dorsal line nearly central, 

 simple ; the extremities yellowish brown on the inside, and with 

 two irregular brown blotches on the upper part of each end ; 

 aperture narrow, slightly dilated in front; teeth close, blunt, with 

 the grooves slightly extended ; the front ones of the inner lip 

 largest ; columella front plaited ; inside purplish. Axis |, di- 

 ameter -I of an inch. 



This shell is very distinct, and to be directly distinguished by 

 the vellow extremities, and two spots on the end of the back, 

 in which character it agrees well with the Dillwyn species. 



74. Ci/prcea erosa. — The eroded Cowry. 



Testa oblongo - ovata, marginata, luteo-virescens, punctis 

 albldis, ocellisque raris ornata ; marginibus incrassatis albis, 

 macula quadrata fusco-purpurea notatis, supra fusco-lineatis ; basi 

 alba, costata. 



Cypraea erosa. Lm. Sj/s. Nat. 1179\ 3/rtr//m', j. 392. Born 

 Mus. 189. Schroet. Einl. j. 122. Gmelin, 341.5. Schrieber's 

 Conch. 73. Lamarck, Ann. Mus. xvi. 93 ! Hist. vij. 389! Dillwyn, 

 R. S.461. 



Cypraea ferruginosa. Gmelin,(n.l.) 



CyproBa miliaris. Gmelin, 3420. (2.) 



Cypraja n. 34. Schroder Einl. 143. (2.) 



Icon. Lister, Conch, t. 692. f. 39! and t. 780. f. 47. (2.) 

 Rumphius, t. 39. f. A. Pet. Amb. t. 16. f. '.2. Guz. t. 97, f. 19 ! 

 Guult. 1. 1 5. f. H. Knorr. vi. t. 20. f. 4. Favanne, t. 30. f. E. 2. 

 Martini, j. t. 30. f. 320—321 ! and t. 26. f. 260. (2.) Born, Mus. 

 t. 8. f. 13 ! Enci/. Method, t. 355. f. 4. a. b ! 



|3. Inocelluta. Ocellis subnuUls, lateribus sub-immaculatis. 



2. Decorticata. Testa dorso purpureo. 



Inbabits Indian Ocean, Isle of France, Lamarck. Mauritius, 

 Ascension Island, Lister. Amboyna, Rumphius. 



Shell, ovate, oblong, margined ; back greenish yellow, orna- 

 mented with numerous white spots, and scattered brownish eyes 

 with white pupils ; the dorsal line impressed, greenish, nearly 

 central ; the margin thickened, white, with a squarish brown spot 



