5 
20. On the teeth of the Koala. Thomson, Ann. Phil. x. 1825 
p. 235 ; Isis, 1834, v. p. 494. 
21. Observations on the synonyma of the genera Anomia , Crania , 
Orbicula, and Discina. Thomson, Ann. Phil. x. 1825, pp. 221- 
244 ; Oken, Isis, 1834, pp. 494, 495 ; Feruss. Bull. 1826, vii. 
p. 139. 
22. On the Horn of Plenty, a variety of the common Garden Snail. 
Thomson, Ann. Phil. x. 1825, pp. 316, 317. 
23. An outline of an attempt at the distribution of Mammalia into 
tribes and families, with a list of the genera apparently apper- 
taining to each tribe. Thomson, Ann. Phil. x. 1825, pp. 337- 
344 ; Oken, Isis, xxii. 1829, col. 541-548 ; Feruss. Bull. 1827, 
xii. p. 262. 
24. On some newly described British' Shells. Thomson, Ann. Phil, 
x. 1825, pp. 387, 388. 
25. On the Chinese manner of forming artificial Pearls. Thomson, 
Ann. Phil. x. 1825,. pp. 389, 390. 
26. An attempt to divide the Echinidse, or Sea-Eggs, into natural 
families. Thomson, Ann. Phil. x. 1825, pp. 423-431 ; Isis, 1834, 
v. p. 496. 
27. On the situation of Sponges in the scale of Nature, and on their 
internal structure. Zool. Journ. i. 1825, pp. 46-52 ; Froriep’s 
Notizen, vii. 1824, pp. 225-230 ; Syn. Brit. Mus. 1834, p. 78, 
1835, p. 70; Isis, 1829, p. 1315; Feruss. Bull. iv. p. 399. 
28. On Balea. Zool. Journ. i. 1825, pp. 61, 62 ; Feruss. Bull. 
1824, iii. p. 248 ; Isis, 1829, p. 1317 ; 1834, iv. p. 405. 
29. Monograph of the genus Helidna . Zool. Journ. i. 1825, 
pp. 62-71 ; Isis, 1829, xii. p. 1317 ; Feruss. Bull. iii. p. 94. 
30. Monograph of the Cyprceidce , a family of Testaceous Mollusca. 
Zool. Journ. i. 1825, pp. 71-80, 138-152, 367-391, 489-518 ; 
iii. 1828, pp. 363-371, 567-576 ; iv. 1829, pp. 66, 67; Feruss. 
• Bull. 1826, vii. p. 385 ; Isis, 1840, iv. p. 401. 
31. Conchological observations ; being an attempt to fix the study 
of Conchology on a firm basis. Zool. Journ. i. 1825, pp. 204-223 ; 
Oken, Isis, 1830, iv. pp. 408-411; Feruss. Bull. 1826, vii. p. 258. 
32. A revision of the family Equidce. Zool. Journ. i. 1825, 
pp. 241-248 ; Isis, 1830, iv. p. 411 ; Feruss. Bull. iv. p. 257. 
33. A description of two new species of Helidna . Zool. Journ. i. 
1825, pp. 250, 251 ; Feruss. Bull. 1824, iii. p. 94. 
34. On the structure of Melania setosa. Zool. Journ. i. 1825, 
pp. 253-255 ; Feruss. Bull. 1824, iii. p. 318 ; Isis, 1830, p. 416. 
35. Observations on the structure of the Pholades. Zool. Journ. i. 
1825, pp. 406-409 ; Feruss. Bull. 1826, viii. p. 137. 
36. On the genera Sigaretus and Cryptostoma. Zool. Journ. i. 
1825, pp. 427, 428 ; Feruss. Bull. 1826, viii. p. 283 ; Isis, 1830, 
p. 424. 
37. Reply to Mr. Swainson on Neritina corona and Melania setosa. 
Zool. Journ. i. 1825, pp. 523-526 ; Feruss. Bull. vii. p. 528. 
38. On Lamouroux’s new division of the Animal Kingdom. Ann. 
Phil. 2nd series, 1825, x. p. 315. 
