684 



Page. 



Magnetism on the Strength of Iron 603 



Mammoth Coal Bed 175 



Map of the Schuylkill "Water Gap 300 



Mesozoic Traps. Frazer 402 



Metal-Spectra. Outenbridge 162 



Meteorological Observations on the Nile 632 



Meteorology Blodget, 439 ; Briggs, 641 



Meteorology of New England. Ohanning 154 



Meteors, Latent Heat. B. V. Marsh „ . . . 114 



Microscopic Sections of Trap. Dana 430, 432 



Miocene Vertebrata. Cope 361 



Moon's Color. Frazer 2, 155 



Moraine at West Philadelphia. Hall 633, 644 



New Mexico. Extinct Race. Oope 475 



Nile, Meteorological Observations 632 



Orton's Expedition to the Amazon 648 



Pah-Ute Cremation 191 



Papyrus Shai-n-sinsin, for sale 182 



Peach Belt Movement. Emerson 175 



Peale's Collection of Indian Relics 174 



Perowskite in Arkansas. Konig 640 



Philadelphia G-eology. Lesley 436 



Philadelphia G-laciers 633, 644 



Phosphorus, Allotropie Form 108 



Photographs 13, 174, 298 



Plagopterinse. Cope 129 



POebrotherlum (Leidy). Oope 110 



Port Clinton Fault. Chance 183, 200 



Rainfall. Chase 416, 614 



Retort. Frazer 419 



Rhynchophora of North America , 649 



Saving Fund Life Insurance 148 



Shai-n-sinsin Papyrus , 182 



Signal Service Maps 175, 640 



Somerset County Coals. Fulton 157 



Spain's Population, &c. Delmar 301,344,422 



Spruce Creek Geology. Lesley 19,83 



Symborodon Trigonoceras 2 



Tartronic and Glyceric Acids. Sadtler 615 



Tellurium and Bismuth Minerals. Genth 181, 636 



Thermo-electric Currents. Oresson 440 



Transit of Venus. Goodfellow 191 



Transit of Venus. Davidson 423, 326 



Trap. Frazer. Dana 402, 414, 430,436 



Tyndall's Address. Frazer 420 



Tyrone Fault. Lesley 3 



Vernier. Harger's 647 



Vertical Lantern Galvanometer. Barker 440, 445 



Walrus from Accomac Harbour 17 



Warrior Mark Valley Geology 3, 19--83 



Water Gap Glacier. Hall 620 



Welsh's Copy of Franklin Picture 433 



York County Limonites and Traps 364, 370, 402, 433 



Zoology of a Pool in Colorado. Oope 139 



