2 MAMMALIA. 



III. Quadrisulca. Rhinoceros, Hippopotamus, &c. 



B. UNGUICULATA. 1. Bifido. Camelus. 2. Multifido. 

 a. Digitis indivisis. Elephas. 3. Anomala. Tatou sive Arma- 

 dillo, Tamandua, and Ai sive Ignavus. 



Linnaeus (Sy sterna Natures, ed. 12, 1766) divides the Hoofed 

 animals into three orders, and arranges the genera thus : 



Order II. BRUTA. 5. Elephas. 7- Bradypus. 8. Myrmeco- 

 phaga. 9. Manis. 10. Dasypus. 



Order V. PECORAI 27. Camelus. 28. Moschus. 29. Cervus. 

 30. Capra. 31. Ovis. 32. Bos. 



Order VI. BELLU^E. 33. Equus. 34. Hippopotamus. 35. Sus. 

 36. Rhinoceros. 



Thomas Pennant, in the Synopsis of Quadrupeds, 1771 5 8vo, 

 divides these animals thus : 



I. HOOFED QUADRUPEDS. 1. Whole-hoofed. Horse. 2. 

 Cloven-hoofed. Ox, Sheep, Goat, Giraffe, Antelope, Deer, Musk, 

 Camel, Hog, Rhinoceros, Hippopotame, Tapir, Elephant. 



II. DIGITATED QUADRUPEDS. 4. Without cutting teeth. 

 Sloth and Armadillo. 5. Without teeth. Manis, Ant-eater. 



Professor Charles Illiger (Prodromus Systematis Mammalium 

 et Avium, 1811) arranged the Hoofed quadrupeds as follows : 

 Order V. MULTUNGULA. Fam. 16. Lamnunguia. 55. Li- 

 pura. 56. Hyrax. 17. Proboscidea. 57. Elephas. 18. Nasi- 

 cornia. 58. Rhinoceros. 19. Obesa. 59. Hippopotamus. 20. 

 Nasuta. 60. Tapirus. 21. Setigera. 61. Sus. 



Order VI. SOLIDUNGULA. 22. Solidungula. 62. Equus. 



Order VII. BISULCA. 23. Tylopoda. 63. Camelus. 64. 

 Auchenia. 24. Devexa. 65. Camelopardalis. 25. Capreoli. 

 66. Cervus. 67. Moschus. 26. Cavicornia. 68. Antilope. 69. 

 Capra. 70. Bos. 



Order VIII. TARDIGRADA. 27. Tardigrada. 71. Bradypus. 

 72. Cholcepus. 73. Prochilus. 



Order IX. EFFODIENTIA. 28. Cingulata. 74. Tolypeutes. 

 75. Dasypus. 29. Vermilingua. 76. Orycteropus. 77. Myrme- 

 cophaga. 78. Manis. 



Order X. REPTANTIA. 30. Reptantia. 79. Tachyglossus. 

 80. Ornithorhynchus. 80 b. Pamphractus. 



C. S. Rafinesque (in his Analyse de la Nature, 12mo, 1815) 

 divides the Hoofed quadrupeds into orders, thus : 



Order IV. STEREOPLIA. \.Stereopodia. Fam. 8. Solipedia. 

 Caballus. 2. Eisulcia. Fam. 9. Camelinia. Camelus, Mos- 

 chus. Fam. 10. Ruminalia. 1. Stereoceria, Cervus, Munt- 

 jacus, Giraffa. 2. Cerynxia. Taurus, Aries, Hircus, Antilope, &c. 



Order V. PACHYDERMIA. Fam. 11. Eellua. \.Rhinoceria. 



