GRA 117 



261. On the Enlargement of the Eggs of Buccinutn undatum. 



Proc. Zool. Soc. 1837, V. p. 45. 



262. On the Eyes of Mollusca. Cheek, Edinb. Journ. Nat. and 

 Geog. Sci. 1831, p. 52. 



263. On the Structure of Pearls, and on the Chinese Mode of pro- 

 ducing them of a large Size and regular Form. Ann. of Phil, 

 ser. 2, IX. p. Vl.Feruss. Bull. VI. p. 443. 



264. On the Chinese manner of forming Artificial Pearls. Ann, of 

 Phil. 1825, 2nd ser. X. p. 389. 



265. Observations of Dufo on Mollusca. Ann. N. H. 1840, VI. 

 p. 156. 



266. On the Emission of a Glutinous Thread by the Animal of 

 Rissoa parva. 'Proc. Zool. Soc. I. p. 116. 



267. On the Torpidity of some Marine Gasteropodous Mollusca. 

 Proc. Zool. Soc. I. p. 116. 



268. On Perforations made by Patella and Pholas. Proc. Zool. 

 Soc. V. p. 101. Ann. of Nat. Hist. II. p. 72. 



269. On the Boring of the Pholades.Rep. Brit. Assoc. 1838, 

 Sect. p. 111. Rev. Zool. 1839, p. 153. 



270. Notes on Dr. Philippics Zoological Notices. Ann. of Nat. 

 Hist. IV. p. 305. 



271. Observations on the Structure of Pholades. Zool. Journ. I. 

 p. 406. 



272. On the Byssus of Unio. Ann. Nat. Hist. 1840, VI. p. 77- 



273. Conchological Observations, being an attempt to fix the Study 

 of Conchology on a firm basis. Zool. Journ. I. p. 204. Feruss, 

 Bull. 1826, VII. p. 258. Isis, 1830, IV. p. 408. 



274. Some Observations on the Economy of Molluscous Animals, 

 and on the Structure of their Shells. Phil. Trans. CXXIII. 

 p. 771. Reprinted in Johnstons Introd. Conch. 1850, p. 408. 



275. Observations generates sur la Corichyliologie, Instit. 1835, 

 No. 127. 



276. On the Formation of Angular Lines on the Shells of certain 

 Mollusca. Rep. Brit. Assoc. 1838, Sect. p. 111. Rev. Zool, 

 1839, p. 122. 



277- On a peculiar Structure in Shells, with some Observations on 

 the Shell of Spharulites.Mzg. Zool. and Bot. 1838, II. p. 228. 



278. On the Spicula of Mollusca. Ann. and Mag. N. H. XVII. 

 p. 70. 



279. Some Remarks on Dr. Pfeiffers Observations on the Helicidce, 

 especially on the Clausium of Clamilia. Ann. of Nat. Hist. V. 

 p. 243. 



280. On a peculiarity in the Structure of the Ligament in some 

 Bivalve Shells Proc. Zool. Soc. IV. p. 104. 



281. Remarks on the difficulty of distinguishing certain genera of 

 Testaceous Mollusca by their Shells alone, and on the Anomalies 

 in regard to Habitation observed in certain species. Phil, Trans. 

 1835, II. p. 301 Ed. N. Phil. J. XX. p. 79. Isis, 1836, p. 613. 

 Reprinted in Johnstons Introd. Conch. 1850, pp. 289, 403. 



282. On the Habits of Dispotea, Cup and Saucer Limpets. Ann. 

 and Mag. N. H. XVII. p. 136. 



