491 



Page. 



Lode, Ouray 162 



Pathliuder 161 



Kobert Bruce 159 



Silver Court 162 



the Little Giant 161 



the Pelican 161 



the Pride of the West 160 



the Prospecter 161 



Yreteva 160 



Lodes, occurrence of 157 



Loinatia microphylla 389 



Lopidea media ^ 317 



Los Pinos, fall of, from Weemiuuche Pass, commencing at summit of pass 148 



Loxa flavicoUis 290 



Lygfeidse 302 



Lygteus costal is 302 



Kalmii ^ 302 



reclivatus 302 



truculeutus 302 



turcicus < 302 



Lygodium Dentoui 383 



Marvinei , 383 



Lygus aunexus 318 



liueolaris 318 



Macrocephalus cimiciodes 324 



prehensilis 324 



Macrocyclis vancouverensis 128 



Macroporus - 278 



repetitus 279 



Macroscelidid;© 107,109 



Macroscelidiufe 109 



Macrovelia Hornii 334 



Mammals noted by Lewis and Clarke's expedition.. 431 



Mancos Canon, ruin in 18, 19, 20 



' cliff houses in 20,21 



tower in , 22 



Eio de los 17 



Margaritana margaritifera 140 



Margus iuconspicuus ^ 292 



Marvine.A. E 215,216 



Mastodon location 158 



McElmo Creek 27 



ruins in 27 



McGregor lode 161 



Means of communication between Denver and the San Juan mines, by A. D. 



Wilson , 145 



Mecidea longula 283 



Meccus phyllosomus 330 



Meek, F. B., note on some fossils from near the eastern base of the Eocky Mount- 

 ains, &c., with descriptions of a few new species 39 



notice of a large Goniatite from Eastern Kansas 445 



Megalocerssa debilis 316 



rubicunda 316 



Megalonotus unus 311 



Megalotomus quinquespinosus 294 



Melantethus... 280 



elongatus 280 



Melaniidaj 127 



Melaoocoryphus admirabilis 304 



bicrucis 304 



• facetus 304 



lateralis 304 



miraulus 304 



obscruripenuis 303 



pusio 303 



Melauolestes abdominalis 330 



picipes 330 



Melanox^leurus Belfragii 303 



bistriangularis , 303 



