11 



Page. 

 Rio Grande, botany and ge- 

 ology near 66, 90-95 



Rulile enclosed in enierald ... 3 



Saguenay Valley 1-2 



San Carlos mine 94-95 



Sands, iron, concentration of. 7-8, 



14-17 



Sahara 148 



sonorous 148 



Sandstone. 68, 72, 117-120, 122-127 

 Sea-salt, influence on decay of 



stone 123 



sickness, treatment hy 



trance 64-66 



Seasoning of building-stone. 76-77 

 Separation of red oxide of zinc 



26-35 

 Serpentine as building-stone. . 71 



Shell heaps 141-143 



Shells, land 1 50 



land, distribution in 



West Indies 1 51-154 



Sierra Nevada, glaciation in . . 155 



Silver 94-95 



Singing beach of Manchester. 



147-148 

 Skeletons lound at Far Rock- 

 away 140-144 



Slate 72. 149-150 



Soapstone at Norwich, Ct . . . 18 



Sonorous sands 147-148 



Sotol whiskey of Chihuahua. 93-94 



Southern Egypt 116 



Specific gravity of amber.... 85 

 Spectrum of Gould's comet ... 20 



Spodumene 25 



Staffa, caves of 3-6, 37 



Stalactites 39-40 



Staten Island, N. Y., buildings 



of 67-71 



Steam engines, absolute limit 

 to economical expan- 

 sion in .... I 



Stilbite 89 



St. Lawrence, Devonian fossil 



fishes from i 



Stoneham, Me., minerals from 25 



Subterranean scenery 36 



Sunspots 35 



Surgery, use of trance in 66 



Page, 



Sussex County, N. J., ores and 



minerals 25 



Symbols, alchemical 102-104 



chemical notation. . . 53-57 

 Table of chemical characters. 56 



Tephroite .... 34 



Terrestrial molluscs 150-154 



Texas, botany and geology.. 



66, 90-95 

 Theories concerning Great 



Pyramid 114-116 



Tin, indications ot 100 



Titanite 24 



Titanium in iron ores. . . .7, 14, 17 



Tombstones, durability of 75 



Topaz 25, 42, 100 



Tourmaline 25 



Trachyte 94 



Trance, treatment of sea sick- 

 ness 64-66 



Transit of Venus 51-52 



Trap 71-72 



of Palisades 1 1 7-1 20 



Tremolite 149 



Trial of building-stone,methods, 



75-76 



Triassic sandstone 1 17-120 



Trilobite 3, 8, 107 



Triphylite 25, 42 



Triplite 25 



Tuscarora Indians 58, 60 



Use of trance in surger)' 66 



proposed for alchemical 



symbols . . 54-56 



Utah, iron ores 15 



ozokerite 46 



Venus, transit of 51-52 



Vertebrata, evolution of 64 



Vivianite from New Jersey. . . 13 



Wad... 18 



Wasatch range, glaciation in. 155 

 Water, organic matter in . . 1 1 i-i 14 

 Waves, destructive action of. . 4 

 Weehawken tunnel, minerals.88-90 



Willemite 26-35 



Wohler, Prof. F., memorial of. 2 



Zeolites 154-155 



Zincite 26-35 



Zinc, red oxide 26-35 



Zircon 3. 25 



