Sketch-Map of Delta of Guadalquivir 35 Marsh-Harrier (_Circus aeruginosus_) 38 "Silent Songsters" 39 Blackstart (_Ruticilla titys_) 39 Great Spotted Cuckoo (_Oxylophus glandarius_) 41 "Globe-Spanners" 42 "Confidence" 43 Abnormal Cast Antler 44 Egret 45 "Suspicion" 49 Altabaca (_Scrofularia_) 51 Tomillo de Arena 51 "What's This?" 52 Antlers 56 Stag "taking the Wind" 57 _Sylvia melanocephala_ 60 Reed-Climbers 61 Great Grey Shrike (_Lanius meridionalis_) 62 Spanish Green Woodpecker (_Gecinus sharpei_) 63 Tarantula 64 Stag--as he fell 67 Hoopoes at Jerez, March 19, 1910 69 "Room for Two" 71 Wild-Boar--at bay 73 Wild-Boar--"Bolted past" 79 Wild-Boar 81 Praying Mantis 87 Avocet 88 Samphire 90 Greylag Geese 92 White-Eyed Pochard (_Fuligula nyroca_) 94 "Flamingoes over" 95 Pochard (_Fuligula ferina_) 96 Flight of Flamingoes 97 Wild-Geese alighting 98 Wildfowl in the Marisma 101 Flamingoes 102 Stilt 105 Godwits 113 Root of Spear-Grass 115 System of driving Wild-Geese 117 Shelters for driving Wild-Geese 118 Godwits 124 Wild-Geese alighting on Sand-Hills 129