INDEX

Acacia bushes, beauty of [3]
use [50]
Administration by native Shêkhs [27]
Akaba [122]
Alexandria [111]
Amulets [42]
Animals resembling seaweed [8]
Arabs [15]
Archean rocks [127]
Arms [23], [27]
use of [28]
Arûs harbour [148]
Association of corals and higher animals [94]
with microscopic plants [95]
Atbara route to Nile [ix]
district [19]
Axum, mediaeval trade route of [39]
Baraka flood and delta [151]
Benas, Ras [141]
Biologist’s justification [viii], [x]
Bisharia, tribe [15]
Block mountains [125]
Boring animals [101]
Boundaries of Anglo-Egyptian coast [vii]
Brothers Islets [123]
Cape Verde Islands [110]
Cats [45]
Challenger Society [x]
Clams (Tridacna) [69], [100]
as food [59]
pearls from [69]
Climate, Red Sea coast [118]
Clione, boring sponge [101]
Corals, animal nature of [85]
cups and polyps [85]
colours [93]
formation of colonies [89]
genera Caryophyllia (British coral) [87], [91]
Dendrophyllia [89]
Fungia [92]
Galaxea [94]
Madrepora [91]
Porites [89], [100]
(see also plates [26] and [28] and explanation p. [88])
life-history [98]
physiology [86], [95]
place in evolution [96]
plant-like nutrition [95]
sizes of colonies [89], [91]
variety of forms [90]
Coral Reefs—see Reefs
“Coralline” seaweed [100]
Crystallisation of coral limestone [111]
Cymodocea, a marine plant [108]
Daedalus shoal [124]
Dance, religious [41]
Darwin’s theory of atoll formation [114], [136]
Delta of the Baraka [151]
Depth of Red Sea [121]
Destruction of corals [100]
Devil fish or sting rays [70]
Dhow, or sambûk sailing vessels [59]
Diving, as seamanship [63]
for pearl oysters [66]
Divorce [75]
Dongonab Bay [104], [138], [141]
reefs in [153]
Dongonab plain [155]
Dulawa harbour [147]
Dunn, Sudan Government Geologist [vii]
Eclipse of the moon [47]
Elevation of reefs above sea [131], [133]
in Pemba and Zanzibar [109], [110]
Eunice, marine worm [101]
Evil eye [44]
Evolution [96]
Faulting, geologic term [122]
Fijab harbour [148]
Fishing [68]
Fish spearing [70], [71]
Funafuti atoll reef [114]
Gardiner, Prof. J. Stanley [ix]
Geologic time [97], [132]
Geological history of Red Sea, summary [154]
Gordon [14]
Gregory, Professor [122], [125]
Hamitic natives [16]
personality of [22]
Harbours, natural [146]
Hardihood of natives [30], [54], [78]
Honesty [49]
Ibrahim’s wife [76]
Jebel Abu Shagara and J. Têtâwib [138], [143]
Jedda [12], [21]
Linnean Society [x]
Lithodomus, boring mollusc [101]
Lithothamnia, stony seaweeds [110]
Luxuries, native [55]
Mabrûk, Swahili slave [20]
Makawar Island [134], [135], [138]
Manufactures [80]
Maritime plain [3], [10], [127]
Marital relations [32], [73]
Medical ideas [47], [78]
Medicine, ink as [43]
Milking [44]
Mohammedanism [33]
Mûled dance and service [40]
Murray, Messrs [x]
Nationalities on coast [15]
Negroes [17]
Newness (geologically) of Red Sea coast [132]
Ornaments [24], [25]
Osman Digna [20], [27]
Pearling [65]
Pearls, from Tridacna clams [69]
theory of origin of true pearls [44]
Pholas, coral borer [103]
Plant and animal interchange of oxygen [94]
Porites—see Corals
Porpoise [45]
Port Sudan [1], [9], [133], [146]
approach by sea [1], [136]
reefs at [83], [100], [103]
Port Sudan-Atbara route to Khartum [ix]
Prayer [39]
Pseudoscarus [101]
Rainfall [120]
Rain squall [7]
Raised shore-lines [134]
Rawaya peninsula [127], [131], [138], [145]
Reefs, coral Australian Barrier [117]
classification of [113]
constituents [99], [131]
elevated above sea [83], [131]
form of surface [104]
fringing and barrier [1], [113], map [137]
growth of [100], [105]
living of Red Sea [152]
origin by abrasion [106], [140]
origin of atolls [114]
pictorial [5], [8], [92]
sandstone, Alexandria [111]
sandstone, Cape Verde Islands [110]
Zanzibar [89], [109]
Religion [33], [35]
Rift Valley, the Great [122]
step formation of sides [122], [143]
Rising and sinking lands [133]
Sailors, Arabian [59]
Hamitic [65]
Salak [127], [141], [149]
Sambûk (or dhow) sailing vessel [59]
Sand-eating animals [103]
Sandstone hills [129]
Sanganeb lighthouse [10]
atoll reef [124]
Sea gardens [8], [92]
Seaweed, stony [100]
Sexual morality [26], [32]
Shêkh Barûd (Port Sudan), stories of [37]
Shêkhs, living [27]
as dead saints [36], [38]
Shinab Harbour [147]
Shubuk reefs [150]
Slaves’ stories [19]
Social relations [32]
Songs of labour [31]
Sting rays or devil fish [70]
Suakin [10], [13], [146]
archipelago [9], [150]
Subsistence of natives [50]
Sunset land [8]
Superstitions, native [42]
British [49]
Tella Tella Island [154]
Tents of nomads [53]
Têtâwib hill [143]
Tides of Red Sea [121]
Tokar, dervish stronghold [20]
oasis, delta of Baraka floods [151]
Travel by sea [150]
Trinkitat [150]
Tubipora [110]
Uganda railway, crossing Rift Valley [124]
Utensils [55]
Vegetation [3], [52]
Vermetus [110]
Volcanoes [123]
Warning coloration of sting rays [71]
Wedding and Arabian sword dances [57]
Wiai harbour [148]
Women, personality and influence [24], [73], [81]
Xenia [151]
Yemêna ravine and oasis [130]
Zanzibar reefs [89], [109], [117]

CAMBRIDGE: PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESS.

Plate II

[(Large-size)]

Fig. 2. Map of Red Sea