CONTENTS. 



LECTURE I. 



Introductory. Advantages and Applications of Anatomical Science, p. 2. Ge- 

 neral Characters of Vertebrate Animals, p. 5. Characters of the Class Fisces, p. 

 11.; of the ClassReplilia, p. 1:3. ; of the Class Aces, p. 16. ; of the Class Mammalia, 

 p. 17. 



LECTURE IL 



General Characters of the Skeleton, p. 20. Endo-skeleton and Exo-skeleton con- 

 trasted, p. 21. Splanchno-skeleton defined, p. 24. Bone; its chemical Cora- 

 position in Fishes, p. 25. ; in Reptiles, p. 25. ; in Mammals, p. 25. ; in Birds, p. 

 26. Development of osseous Tissue, p. 27. Plasmatic System, p. 28. Texture 

 of the Bones in different Classes, p. 30. Growth of Bone, 31. Experiments of 

 Du Hamel and Hunter, p. 32. Structure of the Bones in Reptiles, p. 33. ; in 

 Mammals, p. 34. ; in Birds, p. 34. Definition of a Bone ; its difficulty, p. 36. 

 Classification of Bones, according to their Form, their Position, and Mode of 

 Development, p. 40. Homology, general, serial, and special, defined, p. 40. 



LECTURE in. 



General Type of the vertebrate Endo-skeleton, p, 41. Definition of a Vertebra, 

 p. 42. ; its Elements and their Synonyms, p. 42. Typical Vertebra exemplified, 

 p. 43. Number of Vertebra governed by the nervous System, p. 44. Develop- 

 ment of vertebral Column ; permanent Arrests of its Stages exemplified in 

 Fishes, p. 45. Characters of the Vertebra; in different vertebrate Classes, p. 46. 

 Classification of Fishes, p. 47. Vertebral Column of Myxines, p. 51.; of Lam- 

 preys, p. 52. ; of Sturgeons, p. 53 ; of Chimffirae, p. 54. ; of Plagiostomes, p. 54. ; 

 of osseous Fishes, p. 57. Intercalations of Parts of Exo-skeleton to form median 

 Fins, 66. Caudal Fin, Characters of homocercal and heterocercal Fishes ; An- 

 tiquity of the latter, and their Predominance in the earlier fossiliferous Deposits, 

 p. 67. Characters of Malacopterygians, and Acanthopterygians, p. 68. Modi- 

 fication of dorsal Spines as Weapons, p. 69. Ichthyodorulites ; Lock-and- Trig- 

 ger Spine of Balistes, p. 69. ; dentigerous Spines of Siluroids, p. 70. 



