PATELLA. 1053 



FULVA. 84. Shell oval-oblong, very entire, with 

 minute somewhat decussated striae, and the 

 spire nearly marginal. 



Patella fulva. Midler Zool. Daii. i. p. 24. t.24. f. 1 to 3. 

 Gmelin, p. 3712. 



Inhabits the Bay of Dicibach, in Norway. Midler. 



Shell about two lines long, and rather more than half as broad, 

 of an uniform oiange or tawny yellow colour, without any 

 spots, and when examined with a glass appears to be slightly 

 marked with both transverse and longitudinal striae. 



AMBIGUA. 85. Shell oblong, depressed, Avith the 

 posterior margin rounded, and the anterior 

 truncated ; summit nearly marginal. 



Patella ambigua. Chemnitz, xi. p. 18]. t. 197. f. 1918. 

 Humphreys Conch, t. 5. f. 11. 



Inhabits the coasts of New Holland. Humphreys. 



Shell two inches or two inches and a half long, and rather less 

 than half as broad, thick, and rather strongly marked with 

 concentrical wrinkles ; the outside is dirty while or pale 

 brown, and the inside is white. In shape it somewhat re- 

 sembles Mytilus Linguaf and in the Portland Catah)gue 

 (lot 3565) it is called the White Duclis-Bill Patella. 



UMBELLATA. 86. Shell roundish, nearly flat, with 

 concentric wrinkles, and slightly undulated 

 longitudinally ; margin very acute. 



Patella umbellata. Gmelin, p. 3720. 



Patella Sinica. Gmelin, p 3705. 



Patella Umbraculum. Portland Cat. p. 178. lot 3830. 



Patella, No. 10. Schroeter Eird. ii. p. 445. 



Operculatum laeve. Linnaus Mus. Tessinianum, p. 11 6. 



t. 6. f. 5. 

 Umbella Chinensis. Chemnitz, x. p. 341. t. 169. f. 1645 



and 1646. 

 Acardo Umbella. Lamarck Syst. des Anim. p. 130. 

 Le Parasol Chinois. Favanne, i. p. 524. t. 3. f. H. 

 D'Avila, t. 2. f. A. Martini, i. p. 10^. t. 6. f. 44. 

 Inhabits the coasts of China. D'Avila. Isle of Franctf and 



St. Domingo. Favanne. Nicobar Islands. Chemnitz. 

 Shell roundish or slightly oval, and from two to live inches in 

 diameter ; it is thickest towards the summit, which is placed 

 nearer to one end than to the other; and the margin is more 



