HOM 269 



39. On the Ova of the different Tribes of Opossum and Ornitho- 

 rhynchus.Ph\\. Trans. CIX. p. 234-. 



40. On the Milk-Tusks and Organ of Hearing of the Dugong. 

 Phil. Trans. CX. p. 144. Isis, 1823, I. Litt. Anz. p. 9. 



41. On the Mode of Formation of the Canal for containing the 

 Spinal Marrow, and on the Form of the Fins (if they deserve that 

 name) of the Proteosaurus. Phil. Trans. CX. p. 159.- -Isis, 1823, 

 I. Litt. Anz. p. 11. 



42. On the Anatomy of the Dugong. Phil. Trans. CX. p. 315. 



43. On the Skeletons of the Dugong, Two-horned Rhinoceros, and 

 Tapir of Sumatra, sent to England by Sir T. S. Raffles. Phil. 

 Trans. CXI. p. 268. 



44. On the Peculiarities that distinguish the Manatee of the West 

 Indies from the Dugong of the East Indian Seas. Phil. Trans. 

 CXI. p. 390. 



45. On a new species of Rhinoceros found in the interior of Africa, 

 the Skull of which bears a close resemblance to that found in a 

 fossil state in Siberia and other countries. Phil. Trans. CXII. 

 p. 38. Letterkund. Mag. 1824, IX. Feruss. Bull. 1824, III. 

 p. 225. 



46. On the Difference in the Appearance of the Teeth and the 

 Shape of the Skull in different species of Seals. Phil. Trans, 

 CXII. p. 239. 



47. Observations on the Changes the Egg undergoes during Incu- 

 bation in the Common Fowl. Phil. Trans. CXII. p. 339. 



48. On the Difference of Structure between the Human Membrana 

 Tympani and that of the Elephant. Phil. Trans. CXIII. p. 23. 

 Isis, 1825, VII. Litt. Anz. p. 40. 



49. On the double Organs of Generation of the Lamprey, the Con- 

 ger Eel, the Common Eel, the Barnacle, and Earth-Worm, which 

 impregnate themselves, though the last, from copulating, appear 

 mutually to impregnate one another. Phil. Trans. CXIII. p. 140. 

 Isis, 1 825, VII. Litt. Anz. p. 50. 



50. On the Internal Structure of the Human Brain, when examined 

 in the Microscope, as compared with that of Fishes, Insects, and 

 Worms. Phil. Trans. CXIV. p. 1. 



51. Some curious Facts respecting the Walrus and Seal, discovered 

 by the examination of specimens brought to England by the 

 different Ships lately returned from the Polar Circle. Phil. Trans. 

 CXIV. p. 233. Isis, 1825, VIII. Litt. Anz. p. 88. 



52. On the Organs of Generation of the Mexican Proteus, called by 



the natives Axolotl. Phil. Trans. CXIV. p. 419 Feruss. Bull. 



1827, XI. p. 387. 



53. On the Changes the Ovum of the Frog undergoes during the 

 Formation of the Tadpole. Phil. Trans. CXV. p. 81. 



54. Microscopical Observations on the Materials of the Brain, and 

 of the Ova of Animals, to show the Analogy that exists between 

 them. Phil. Trans. CXV. p. 436. 



55. On the Production and Formation of Pearls. Phil. Trans. 

 CXVI. 2, p. 338. Feruss. Bull. 1827, XII. p. 152. 



