12 



LIST OF ILLUSTRATIONS. 



Pngn 



Plate X. Fig. 1. From Pimas villages to River Gila 206 



Fig. 2. Hill ueav camp, July 6. 206 



Fie. 3. Ten miles section along the Gila 206 



Fig. 4. Anticlinal axis entering the cation. 206 



Fig. 5. Structure of axis rock 206 



Plate XI. Fig. 1. Structure along the Gila in caiions 206 



Fig. 2. Outline of the Spire hills and distant basalt capped hills 206 



Fig. 3. Spire hills 206 



Fig. 4. Gila bed at camp, July 7, looking southeast 206 



Fig. 5. From San Pedro east, across the Calitro mountains 206 



Fig. 6. Gypseous strata on river side , 206 



Plate XII. Fig. 1. From San Pedro river to Chiricahui mountain 206 



Fig. 2. From Chiricahui mountain to Valle de las Playas 206 



Fig. 3. From Valle de las Playas to Rio Mimbres 206 



Plate Xni. Fig. 1. Strata metamorphosed near Penascitas 206 



Fig. 2. Along left bank of Mimbres, camp, August 10 206 



Fig. 3. From Ojo de Vaca to Mimbres, on the terrace 20G 



Fig. i. From Rio Mimbres to Cook's spring 206 



Fig. 5. Ancient river bottoms of Colorado and Gila at their junction 206 



Plate XIV. Fig. 1. From Cook's spring to Fort Fillmore 206 



Fig. 2. From Picacho Doua Ana to valley of Sacramento mountains 206 



Fig. 3. Pass at El Paso, looking south 206 



Fig. 4. Section of Jornada del Muerto 206 



PALEONTOLOGY. 



Plate I. Fig. 1. Pecten Meekii 206 



Fig. 2. Pecten Magnolia 206 



Fig. 3. Spondylus Estrellanus 206 



Plate II. Fig. 1. Hinnites Crassa.. 206 



Fig. 2. Hinnites Crassa, internal view 206 



Figs. 3, 4. Ostrea Panzana 206 



Plate III. Fig. 1. Pecten Discus 206 



Fig. 2. Pecten Altiplicatus 206 



Figs. 3, 4. Pallium Estrellanum 206 



Plate IV. Figs. 1, 2. Venus Pajaroana 206 



Figs. 3, 4. Arcopagia Unda 206 



Plate V. Fig. 1 . Area Obispoana 206 



Figs. 2, 4. Pachydesma Inezana 206 



Figs. 3, 5. Tapes Montana _ 206 



Fig. 6. Lutraria Transmontana 206 



Plate VI. Figs. 1,2. Crassatella Collina 206 



Fig. 3. Axinea Barbarensis 206 



Fig. 4. Dosinia Montana _ 206 



Fig. 5. Dosinia Subobliqua _ 206 



Fig. 6. Cyclas Estrellana 206 



Plate VII. Fig. 1. Tapes Inezensis 206 



Fig. 2. Dosinia Longula 206 



Fig. 3. Mactra Gaviotensis _ _, 206 



Fig. 3. Trochita Costellata 206 



Fig. 4. Cyclas Permacra.. _ 206 



