INDEX 



176 



Polygonum, 110 



Porcupine, 49 



Port Said, Egypt, 7 



Praocinse, 151 



Pratincole, 105, 107 



Predaceous animals, 168-160 



Prezhevalsky, 20 



Prickly Pear, 136, 138 



Procavia, 49 



Proctor, J., 119 



Prosopis, 125 



Protective coloration, 146, 148 



Protaetia, 129 



Protozoa of sand, 121 



Pterocles, 84, 144, 146, 157 



Pulicaria, 110 



Pycnonotus, 74, 100 



Q 



Quail, Desert, 87 



R 



Raczkowski, 46 



Rain, effects of abundant, 72, 74 



Rainfall, 6-14 



Rainstorms, 13, 60 



Rajputana, India, 48 



Rattlesnake, 159 — 



Raven, 164, 167, 168 



Rhamphocorys, 111 



Roadrunner, 147 



Rock Desert, 48 



Rock Doves, 49, 105 



Rodents in S. Palestine, 126 



Roebum, Australia, 12 



Rohlfs, 19 



Rothschild, W. (Lord), 111 



Ruby Wasps (Chrysids), 67 



Ruta, 124 



S 

 Sahara, 19, 32, 42, 43, 47, 72, 111, 



112, 129, 137, 143, 145, 165 

 St. George, Utah, 9 

 Salsola, 55, 127, 129 

 Salton Sea, Arizona, 12, 62 

 Salts found in deserts, 46, 46 

 Sand desert, 40 

 Sand desert, fauna of, 116-121 

 Sand-dwelling Protozoa, 121 

 Sandgrouse, 84, 105-107, 128, 146, 



169 

 Sauromalus, 98 



Saxicola, 49, 100, 112, 130, 154, 155 

 Scaptira, 118 

 Scarab, 162, 168 

 Scarturus, 76, 80 

 Schimper, 136 

 ScincidflB, 117 

 Seeds, spiny and hooked, 135 



Semi-deserts, definition of, 2 



SepidinsB, 151 



Shakespear, 50 



Shamal, 27 



Shrike, Great Grey, 100 



Silt, 44 



Silvery insects in deserts, 148 



Sirocco, 27 



Sminthopsis crasaicaudata, 73 



Soil, relationships with, 114-121 



Soil, temperature of, 20-22 



Soils, water capacity of, 37-39, 44 



Spalax, 126 



Spalding, V., 135 



Sparrow, House, 100 



Spencer, B., 73, 74, 95, 101, 126, 



137, 143 

 Spurge Family, 60 

 Squill, 69, 126 

 Squirrel, Ground, 89, 115 

 Star of Bethlehem, 59 

 Stenodactylus, 118, 130 

 Stone and earth desert, 47 

 Stone Curlew, 86 

 Stones, animals living imder, 100- 



102 

 Storey, G., 152 

 Su8Bda, 45, 66, 127 

 Succulence, 60-62 

 Sudan, 17, 112 

 Sumner, F. B., 141, 146 

 Sunbu-d, 134 



Swallow-tail Butterfly, 124 

 Swifts, 104 

 Sylvia, 83 



Syr Daria, Turkestan, 61 

 Syrrhaptes, 128 



Tabanidas, 94, 148 



Tachta, Turkestan, 19 



Takla Makan, China, 43 



Tanezruft, Sahara, 88 



Tarucus, 67, 111 



Tashkent, Turkestan, 7, 17, 20 



Taterona, 77 



Telphusa, 95 



Temperature, daily range of, 19 



Temperature, extremes of, 17 



Temperature, monthly average, 16 



TenebrionidsB, 104, 113, 130, 150- 



153, 166, 168 

 TentyriinsB, 151 

 Teracolus, 68, 69 

 Teratoscincus, 118 

 Terebinth, 137 

 Thomas, H. H., 48, 109 

 Thomas, O., 160 

 Thomomys, 162 

 Thomson and Thomson, 121 



