PATELLA. 1055 



Patella Fissura reticulata. Chemnitz, xi. p. 185. t. 197. 



f. 1925 and 1926. 

 Le grand Cabochon I'Entaille. Favanne, i. p. 549. t. 4, 



f. M2. 

 The Cracked liimpet. Humfhreys Conch, t. 4. f. 2. 



Inhabits the coasts of the Falkland Islands. Chemnitz. 



Shell about three-quarters of an inch long, and half an inch 

 broad, and the height is only about half the length ; it ia 

 white and cancellated, and nearly allied to P. Fissura, from 

 which it differs in being larger and more depressed, and in 

 having the marginal lissure broader and shorter; but Da 

 Costa, when he wrote his British Conchology, appears to 

 have considered it a Variety of that species. 



FissuRATA. 89. Shell oval, depressed, with crowd- 

 ed longitudinal striae, and a short marginal 

 fissure. 



Patella fissurata. Hianphreys Conch, p. 20. t. 4. f. 3. 



Chemnitz, xi. p. 188. 1. 197. f. 1929 and 1930. 

 L'Echancre. Favanne, i. p. 549. 



Inhabits the coasts of New Zealand. Favanne. Ceylon. 

 Chemnitz. 



Shell about seven lines long, five broad, and three high, of a 

 rose-colour, with the summit and muscular impression white, 

 and the remainder of the inside is flesh-colour ; the mar- 

 ginal fissure is scarcely half a line deep, and almost equally 

 broad. 



******* With a perforated summit. 



NOACHINA. 90. Shell conical, longitudinally stri- 

 ated, and the summit recurved, with a rhom- 

 boidal perforation extending towards the an- 

 terior margin. 



Patella Noachina. Linnaus Mantissa, p. 551. Chemnitz, 



xi. p. 186. t. 197. f. 1927 and 1928. 

 Patella Fissurella. Muller Zool. Dan. Prod. p. 237, and 



Zool. Dan. i. p. 24. t. 24. f. 4 to 6. Fabricius Fauna 



Groenl. p. 384. Gmelin, p. 3728. 

 Patella Apertura. Montagu Test. p. 491. t. 13. f. 10, and 



Supp. p. 155. Maton and Racket, in Lin. Trans, viii. 



p. 236. 

 Humphreys Conch, t. 7. f. 8. 

 Inhabits the coasts of Norway. Muller. Greenland, Fabri- 



