118 GRA 



283. Habits of Patella pellucida. Ann. Nat. Hist. 1838, I. p. 483. 



284. The Sexes of Limpets (Patella). Ann. Nat. Hist. 1838, I. 

 p. 482; 1840, VI. p. 157. 



285. On the Structure of Melania setosa. Zool. Journ. I. p. 253, 

 fig. Feruss. Bull. 1824, III. p. 318 Isis, 1830, p. 416. 



286. Reply to Mr. Swainson on Neritina corona and Melania setosa. 

 Zool. Journ. I. p. 523. Feruss. Bull. VII. p. 258. 



287. On the Animal of (Jalyptrcea.Arm. Philos. 1825, 2nd ser. 

 X. p. 153. 



288. On the Epiphragma of Achatina. Ann. Nat. Hist. 1850, 

 ser. 2, VI. p. 159. 



289. On Carinaria vitrea, Lam. Ann. and Mag. N. H. VI. 1841, 

 p. 239. 



290. On the Conveyance from the Mauritius to England of two 

 living specimens of the Cerithiwn armatum, Brug. Proc. Zool. 

 Soc. II. p. 22 Instit. 1834, No. 76. 



291. On the Structure of Chitons. Phil. Trans. 1848, pp. 141, 145. 



292. On the Horn of Plenty, a Variety of the Common Garden 

 Snail (Helix aspersa).Ann. of Philos. 1825, 2nd ser. X. p. 316. 



293. On the Velvet-like Periostraca of Trigonia. Ann. and Mag. 

 N. H. 1849, IV. p. 296; 1850, VI. p. 143. 



294. On the Manufacture of Shell Cameos. Athenaeum, 1847, 

 p. 471. Trans. Soc. of Arts, 1847. 



295. On the Operculum of Gasteropodous Mollusca; an attempt 

 to prove that it is homologous or identical with the second valve 

 of Conchifera. Ann. and Mag. N. H. 1850, V. p. 476. 



296. A natural Arrangement of Mollusca, according to their In- 

 ternal Structure. Lond. Medic, lleposit. XV. p. 229. Abridged, 

 Feruss. Bull. 1824, I. p. ISl. Blainv. Man. Malac. p. 72. 

 Johnston, Introd. to Conch, p. 560. 



297. On the Arrangement of the Pneumobranchous Mollusca. 

 Ann. of Philos. 1824, VIII. p. 107. Feruss. Bull. V. p. 279. 



298. Systematic Arrangement of Molluscous Animals, with Charac- 

 ters of Families. Synopsis Brit. Mus. 1835, p. 9 ; 1838, enlarged, 

 with List of genera added ; 1840 and 1842, further revised. 



299. Systematic Arrangement of the species etched in Mrs. Grays 

 Figures of Mollusca, containing the Characters of the Families, 

 etc. 8. 1850. 



300. A List of the genera of recent Mollusca, their Synonyma and 

 Types. Proc. Zool. Soc. 1847, p. 129 ; reprinted separately 1847, 

 and in Mrs. Grays Figures of Molluscous Animals, IV. 1850. 



301. On the genera Sigaretus and Cryptostoma. Zool. Journ. I. 

 p. 427. Feruss. Bull. 1826, VIII. p. 283. Isis, 1830, p. 424. 



302. On the genus Pedicularia or Thyreus. Ann. and Mag. N. H. 

 1846, XVIII. p. 428. 



303. On the Animal of Calyptrcca, Capulus and Crepidula. Cheeky 

 Edinb. Journ, Nat. and Geog. Sci. 1831, p. 53. 



304. On some new species of Ampulla riadce and two new genera 

 (Marisa and Bithinia).P\\\\. Mag. LXIII. p. 276. 



305. On the genus Brocchia ofBronn. Ann. and Mag. N. H. 1840, 

 VI. p. 157. 



