„ XIII, „ 25. A mediaeval tomb „ „ „ XIV, Figs. 26 and 27. Water carriers „ 50 „ XV, Fig. 28. Tent houses „ 54 „ XVI, „ 29. Goats feeding on thorn bushes „ 56 „ XVI, Figs. 30 and 31. Native utensils „ „ „ XVII, „ 32 and 33. Arabian sword dance „ 57 „ XVII, Fig. 34. Hamitic wedding dance „ „ Pl. XVIII, „ 35. Pearling canoes under sail „ 60 „ XVIII, „ 36. A pilgrim _sambûk_ „ „ Fig. 37. Outline of rigging of a _sambûk_ „ „ 38. Diagram of halyard 61 „ 39. Laden _sambûk_ under sail 62 Pl. XIX, Fig. 40. Hamitic fisherman _to face_ 65 „ XIX, „ 41. Small pearling _gatîra_ „ „ „ XIX, „ 42. Large pearling _sambûk_ with ten canoes „ „ „ XX, Figs. 43 to 46. The operations of a pearl fisher „ 66 „ XXI, Fig. 47. Pearl-divers „ 71 „ XXII, „ 48. Spinning goats’ hair „ 74 „ XXIII, „ 49. Weaving hair cloth „ 80 „ XXIII, „ 50. A marriageable girl „ „ „ XXIV, „ 51. Baby girl with lamb „ 82 „ XXV, Figs. 52 to 57. Sea-anemones and corals „ 84 „ XXVI, Fig. 58. Some stony corals „ 88 „ XXVII, „ 59. A simple colonial coral „ 89 „ XXVIII, „ 60. Common reef building corals „ 91 „ XXIX, Figs. 61 to 63. The mushroom corals „ 92 „ XXX, „ 64 and 65. Stony seaweeds „ 100 „ XXXI, „ 66 to 70. Corals bored by molluscs and sponges „ 102 Diagram 1. Features of a fringing reef 104 Pl. XXXII, Fig. 71. Reef flat and undercut cliffs, Rawaya _to face_ 104 Diagram 2. The building of a reef 105 „ 3. Further growth of the reef 106 „ 4. The abrasion of the coast „ „ 5. Formation of fringing reef 107 Pl. XXXIII, Fig. 72. Portion of a reef flat _to face_ 108 „ XXXIII, „ 73. The under surface of the same stone „ „