_Omeladam Tasfert_, well of, 221. _Omesogueer_, (village), notice of, 221. Fabulous account of a Marāboot there, ibid. _Ongornoo_, a town in the interior of Africa, notice of, 127. _Orfilly_, tribe of Arabs, wretched condition of, 34—36. Their character, 314. Anecdote of one, ibid. _Ostriches_, observations on the natural history of, 77. _Ovens_ of the Arabs, form of, 51. _Parental authority_, absolute, at Fezzan, 287. _Park_, (Mr.), observations on the fate of, 146. _Population_ of Tembuctoo, accounted for, 145. _Prostitutes_, regulations concerning, at Tripoli, 13. _Punishments_, (Moorish), 16, 17. Of Fezzan, 282. _Rats_ of Fezzan, notice of, 317, 318, 320. _Religion_ of the Arabs, 42. Of Soudan, 139. Of the Tuarick, 112. _Reptiles_ of Morzouk and its vicinity, 184, 185. _Revenues_ of the Sultan of Fezzan, 188, 189. _Rhamadan_, fast of, strictly observed, 102. Extravagant rejoicings on its termination, 107. _Ritchie_, (Mr.) accepts the author’s offer to accompany him to Africa, 2. Arrives at Tripoli, where he is joined by Mr. Lyon, ibid. Makes an excursion to the Gharian Mountains and Benioleed, 21—38. Preparations for a journey into the interior, 56, 57. Journey from Tripoli to Morzouk, 58—87. Arrival at Morzouk, 88. His first appearance in a mosque, 95. Description of his residence in Morzouk, 96. His distressing illness, 100, 103. Recovers, 117. And prescribes for the Africans, 116, 117. Imposed upon by Mukni, 119. Whose treacherous intentions towards himself and Mr. Lyon, he discovers, 165, 166, 167. Relapse of Mr. Ritchie, 189. His death, 190, 191. And funeral, 192. _Rocks_ of Fezzan, observations on the geological structure of, 361. Basaltic rocks, 361, 362. Tertiary limestone, 361, 363, 364. New red sandstone, 361, 364—369.