486 



Page. 



DecliuatioQ of magnetic needle 2U9 



Delphacina 351 



Delphax tricarinata , 352 



Deltoceplialus debilis 360 



Dental formulae of MephitiusB 7 



Dermoptera 101, 107 



Description of Plate I 32 



II 34 



III 36 



Devonian flora 236 



limestones 162 



Dexter gold-mine 161 



Dictonissiis (new genus) 355 



griphus 356 



Diedrocephala cocci nea 357 



noveboraceusis 358 



raollipes 358 



Dimyaria 139 



Diospyros brachyeepala 367, 380 



ficoidea 387 



Diplodus luridus 327 



Eenardii 328 



District, Enreka 158 



Dolores, Eio 18 



Dryophyllum crenatum 371 



(Quercus) latifolium 393 



salicifolium 399 



subfalcatum -. 379 



Dysdercus albidiventris 314 



niimus 314 



obliquus 314 



I)eruvianus 314 



Ectricbodia cinctiventris 329 



cruciata 329 



Ectricbodiiana 329 



Elevations, miscellaneous 209 



of stations 205 



Embletibis arenarius 311 



Emesa lougipes 332 



EmesidPB 332 



Eucbenopa. 843 



Endlicb, F. M., S. N. D., quoted 402 



report on the mines and geology of the San Juan country 151 



Engineer Mountain 190 



Equator, location 158 



Erinaceid,T3 108-109 



Erinaceoidea 109 



Erinaceina?, 109-110 



Eureka mine 179 



district 158 



Gulch 155,158 



Eurygaster alternatus 274 



"Eurygastriua 274 



Euscbistus crenator 286 



fissilis 286 



ictericus 286 



servus 286 



tristigmus 286 



variolarius 285 



Eutboctha galeator 297 



Evans, fossils from near 39 



Evidence afforded by fossil plants from Point of Eocks in regard to the geolog- 

 ical age of the formation - 372 



Excelsior lode 161 



Falconidse, studies of 451 



Falconinre 229 



Fall of Animas --- 148 



Godwin Creek 149 



Lake Fork 149 



