[In addition to many of the works mentioned in the bibliographical list relating to the Vertebrata in general, and especially to Owen's "Comparative Anatomy and Physiology of Vertebrate Animals," and Huxley's "Manual of the Vertebrata," the following are some of the principal sources of information as to recent and fossil Mammalia: - ]

1. "Osteology of Mammalia." Flower. 1870.

2. " Characters, Principles of Division, and Primary Groups of the Class Mammalia." Owen. 'Proc. Linn. Soc.' 1858.

3. " Saugethiere." Giebel. ' Bronn's Klassen und Ordnungen des Thierreichs.' 1874 (in course of publication).

4. " Die Saugethiere in zoologischer, anatomischer, und palaeontologischer Beziehung umfassend dargestellt." Giebel. 1855.

5. " Recherches pour servir a l'histoire naturelle des Mammiferes." H.

& A. Milne-Edwards. 1868.

6. " Recherches sur les ossemens fossiles." Cuvier. 4th ed. 1835-37.

7. "Allgemeine Naturgeschichte." Oken. 1838.

8. "Histoire naturelle, generale et particuliere." Buffon and Daubenton. 1753-67.

9. "Lectures on the Comparative Anatomy of the Placenta." Turner. 1876.

10. "Natural History of Mammalia." Waterhouse. 1845-48.

11. "Odontography." Owen. 1840-45.

12. "History of British Quadrupeds, including Cetacea." Bell. 1837.

13. "History of Quadrupeds." Bewick. 8th ed. 1824.

14. "Histoire naturelle des Mammiferes." Etienne Geoffroy Saint Hilaire, and Fred. Cuvier. 1819-35.

15. "Comparative Anatomy of the Domesticated Animals." Chauveau.

Trans. by Fleming. 1873.

16. "Handbuch der Vergleichenden Anatomie der Haus- Saugethiere."

Gurlt. 1860.

17. "Naturgeschichte der Saugethiere." Schreber. (Continued by Wagner.)' 1775-1855.

18. "Classification of the Mammalia." Gill. 'Proc. Amer. Assoc. for the Advancement of Science.' 1870.

19. " On the Characteristics of the Primary Groups of the Class of Mammals." Gill. Ibid. 1871.

20. " Geographical Distribution of Animals." Wallace. 1876.

21. " Geographical Distribution of Mammals." Andrew Murray. 1866.

22. " Geographische Verbreitung der Thiere." Schmarda. 1853.

23. "Zoologie et Paleontologie francaises, nouvelles recherches sur les animaux vertebres." Gervais. 2d ed. 1859.

24. "Histoire naturelle des Mammiferes." Gervais. 1854.

25. "Variation of Animals and Plants under Domestication." Darwin. 1868.

26. "Mammals of North America." Baird. 1859.

27. "Mammals of India." Jerdon. 1867.

28. "Mammals of Australia." Gould. 1845-60.

29. "Fauna boreali Americana." Sir John Richardson. Mammalia by Harlan. 1825.

30. Article "Monotremata." Owen. ' Todd's Cyclopaedia of Anat. and Phys.' 1841.

31. "Mammary glands of Ornithorhynchus." Owen. Phil. Trans. 1832.

32. "Young of Ornithorhynchus paradoxus." Owen. 'Trans. Zool.

Soc.' 1834.

33. "Memoire sur le genre Ornithorhynche." Van der Hoeven. 'Nova Acta Acad. Leopold.' 1823.

34. "Natural History and Habits of the Ornithorhynchus paradoxus.'

E. T. Bennet. ' Trans. Zool. Soc.' 1835.

35. " Ornithorhynchi paradoxi descriptio anatomica." Meckel. 1826.

36. Article "Marsupialia." Owen. 'Todd's Cyclopaedia of Anat. and Phys.' 1841.

37. "Structure of the Brain in Marsupial Animals." Owen. 'Phil.

Trans.' 1837.

38. " Classification of the Marsupialia." Owen. 'Trans. Zool. Soc.' 1839.

39. "Generation of Marsupial Animals." Owen. ' Phil. Trans.' 1834.

40. " Osteology of Marsupialia." Owen. ' Trans. Zool. Soc.' 1841 and 1845.

41. "Fossil Mammalia of Australia." Owen. 'Phil. Trans.' 1858 and 1865. (Thylacoleo.)

42. " Fossil Mammalia of Australia." Owen. 1877.

43. "Fossil Mammalia of the Mesozoic Formations. Owen. 'Palaeontographical Society.' 1871.

44. "Marsupialia." Waterhouse. 'Jardine's Naturalists' Library.' 1841.

45. " Monograph of the Macropodidae." Gould. 1841-44.

46. " Untersuchungen uber die Edentaten." Rapp. 2d ed. 1852.

47. Article " Edentata." Bell. ' Todd's Cyclopaedia of Anat. and Phys.' 1836.

48. " Memoir on the Megatherium." Owen. 1860.

49. " Skeleton of the Mylodon." Owen. 1842.

50. " Memoir on the Extinct Sloth Tribe of North America." Leidy. 1853.

51. "Classification of Edentata." Turner. ' Proc. Zool. Soc.' 1851.

52. "Osteology of Edentata." Turner. 'Annals and Magazine Nat.

Hist.' 1853.

53. " Form and Structure of the Manatee." Murie. ' Trans. Zool. Soc.' 1872.

54. " Ausfuhrliche Beschreibung von sonderbaren Meerthieren." Steller. 1753.

55. "Untersuchungen uber die ehemalige Verbreitung und die ganzliche Vertilgung der von Steller beobachteten Nordischen Seekuh." Von Baer. 'Mem. de l'Acad. Imp. des Sci. de St. Petersbourg.' 1838.

56. " Anatomy of the Dugong." Owen. ' Proc. Zool. Soc' 1838.

57. Article "Cetacea." F. Cuvier. 'Todd's Cyclopaedia of Anat. and Phys.' 1835. Also, "Hist. Nat. des Cetaces." 1836.

58. " Die Cetacen zoologisch-anatomisch dargestellt." Rapp. 1837.

59. " Cetaces du littoral de la Belgique." Van Beneden. 1861.

60. " Synopsis of the Species of Whales and Dolphins in the British Museum." J. E. Gray. 1868.

61. "Untersuchungen uber die Nordischen Walthiere." Eschricht. 1849.

62. "Osteology of Inia and Pontoporia." Flower. ' Trans. Zool. Soc.' 1867.

63. "Monograph of the Crag Cetacea." (Ziphioid Whales.) Owen.

'Palaeontographical Society.' 1870.

64. Article " Pachydermata." Rymer Jones. 'Todd's Cyclopaedia of Anat. and Phys.' 1839.

65. Article " Solipedia." Rymer Jones. Ibid. 1847.

66. Article " Ruminantia." Spencer Cobbold. Ibid. 1859.

67. "The Horse." Youatt. 1843.

68. "Naturgeschichte des Pferdes." D'Alton. 1810-16.

69. "Gigantic Fossil Mammals of the Order Dinocerata." Marsh.

' Amer. Journ. Sci. and Arts.' 1873.

70. " Short-footed Ungulata of the Eocene of Wyoming." Cope. 'Proc.

Amer. Philosoph. Soc.' 1873.

71. "Structure and Affinities of the Brontotheridae." Marsh. 'Amer.

Journ. Sci. and Arts.' 1874.

72. " Principal Characters of the Brontotheridae." Marsh. 'Amer.

Journ. Sci. and Arts.' 1876.

73. "Principal Characters of the Dinocerata." Marsh. ' Amer. Journ.

Sci. and Arts.' 1876.

74. " Principal Characters of the Tillodontia." Marsh. ' Amer. Journ.

Sci. and Arts.' 1876.

75. Article "Carnivora." Bell. 'Todd's Cyclopaedia of Anat. and Phys.' 1835.

76. " Anatomie Descriptive du Chat." Strauss-Durckheim.

77. Article "Rodentia." Rymer Jones. 'Todd's Cyclopaedia of Anat. and Phys.' 1847.

78. "On the Chinchillidae." E.T.Bennett. 'Trans. Zool. Soc.' 1833.

79. "Systematisk Ofversigt af de Gnagande Daggdjuren, Glires." Lilljeborg. 1866.

80. Article "Cheiroptera." Bell. 'Todd's Cyclopaedia of Anat. and Phys.' 1835.

81. " Monograph of the Asiatic Cheiroptera." Dobson. 1876.

82. " Classification of Insectivora." Mivart. 'Proc. Zool. Soc.' 1871.

83. Article "Insectivora." Bell. 'Todd's Cyclopaedia of Anat. and Phys.' 1836.

84. "De Solenodonte." Brandt. ' Mem. de l'Acad. Imp. des Sci. de St. Petersbourg.' 1838.

85. Article " Quadrumana." Vrolik. ' Todd's Cyclopaedia of Anat. and Phys.' 1847.

86. Article " Apes." Mivart. ' Encyclopaedia Britannica.' 9th ed. 1875.

87. " Appendicular Skeleton of Primates." Mivart. ' Phil. Trans.' 1867.

88. "On the Zoological Rank of the Lemuroidea." Mivart. 'Proc.

Zool. Soc.' 1873.

89. " Man and Apes." Mivart. 1874.

90. " Evidence as to Man's Place in Nature." Huxley. 1874.

91. " The Human Skeleton." Humphry. 1858.

92. " Monograph on the Aye-Aye." Owen. 1868.

93. "Recherches sur le Chimpanse." Vrolik. 1841.

94. "Natural History of Man." Pritchard. 1843.

95. "Researches into the Physical History of Mankind." Pritchard.

3d ed. 1844.

96. "De generis humani varietate nativa." Blumenbach. 3d ed. 1795.

97. "Types of Mankind." Nott and Gliddon. 1854.

98. "Descent of Man." Darwin. 1871.

99. "Fauna der Vorwelt." Giebel. 1847.

100. "Fauna Antiqua Sivalensis." Falconer and Sir Proby Cautley.1846-49.

101. "British Fossil Mammals and Birds." Owen. 1846.

102. "Catalogue of the fossil Organic remains of Mammalia and Aves in the Museum of the Royal College of Surgeons of England." Owen. 1845.

103. "Extinct Mammalia from Nebraska Territory." Leidy. 1852.

104. "Animaux fossiles et Geologie de l'Attique." Gaudry. 1864-68.

105. "Monograph of the British Fossil Pleistocene Mammalia." Dawkins and Sandford. 'Palaeontographical Society.' 1866-71.