ILLUSTRATIONS. 



Facing page. 

 Plate I. View of Agafia, the capital of Guam, showing raised platform of 



coralliferous limestone forming north half of island Frontispiece. 



II. The forest, showing epiphytal vegetation 55 



III. Davallia solida, an epiphytal fern 56 



IV. The great marsh fern, Acrosticlmm aureum 57 



V. Lycopodium cernuum, a characteristic plant of the savannas 57 



VI. Agati grandiflora, a leguminous tree with edible flowers and pods. . 60 

 VII. The Agafia River, showing textile screwpine, breadfruit, and coco- 

 nut 64 



VIII. View of the forest, showing Cycas circinalis, screwpine, and roots 



of giant banyan 65 



IX. Ricinus communis. Fig. 1. Marginal nectar glands. Fig 2. Cross 

 section through petiole at base of leaf blade, showing extrafloral 



nectaries 66 



X. Fig. 1. — Nectar gland on midrib of cotton leaf (Gossypium sp. ). 



Fig. 2. — Leaf of Pariti tiliaceum, showing nectar gland 67 



XI. Raphides, or needle crystals of oxalate of lime, in taro leaf 69 



XII. Needle cells of taro, their ends projecting into vacuoles 69 



XIII. Cells of taro discharging their needles 70 



XIV. Cycas circinalis, leaf and carpophyll bearing half-developed fruit . . 71 

 XV. Sea beans, showing air spaces which give them buoyancy 73 



XVI. Morinda citrifolia, flowers and fruit 74 



XVII. Stone adz and sling stones of aborigines 107 



XVIII. The government house at Agafia 117 



XIX. House with thick walls of masonry and tiled roof 123 



XX. Typical native dwelling, with sides of bamboo and woven reeds 



and roof of coconut thatch 124 



XXI. Fig. 1. — A modern oven. Fig. 2. — Evaporating salt 127 



XXII. Road from Agafia to Piti: Carabaos drawing an American wagon.. 134 



XXIII. Clearing the forest for planting 141 



XXIV. A Pacific island taro patch, Caladium colocasia 144 



XXV. Arrowroot, Maranta qrundinacea 145 



XXVI. Root of the cassava plant, Manihot manihot 145 



XXVII. Breadfruit tree, Artocarpus communis, foliage and fruit 145 



XXVIII. Mango tree, Mangifera indica, in full fruit 146 



XXIX. Cashew, Anacardium occidentale, half-grown fruit 147 



XXX. Coffee in full bloom 14S 



XXXI. The coral bead vine, Abrus abrus 171 



XXXII. Angiopteris evecta 183 



XXXIII. The sour sop, Annona muricata, flowers and fruit 184 



XXXIV. The sugar apple, Annona squamosa 185 



XXXV. Betel-nut palms, Areca cathecu 187 



XXXVI. Fertile breadfruit, Artocarpus communis, male and female inflores- 

 cence, and young fruit 189 



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