230 



Trans. Acad. Sci. of St. Louis. 



GENERAL INDEX. 



Absorption of light in space 44 



Acino-tubular glands 192, 203-205. 



pi. 25, 33, 35,36,38,39-41 

 Acinous glands 204, 206, 207. pi. 



30-33, 46, 53-55 

 Age of earth 21 



stars and nebulae 1 



sun 11 



Air friction of trains lx, 215 

 Amphipods lxi 

 Anemometer 216 

 Animal electricity lxi 



Bacteria lxi 



Ball- discharge photographs Hi, 155 



Bees of Illinois xlviii, 47 



Bison, fossil lx 



Brilliant points lxiii. pi. A 



Buds on roots 134 



Burlington sandstone 57 



Burls li, lvii 



Butterflies xlviii 



Camncnlar glands 195 



Cell, plant lv 



Chonopectus sandstone 57 

 Conjunctival glands 186 

 Coronas, photographic 160 

 Crowns of plants 131 

 Crustacea lxi 



Dark stars 42 



Development of photographs in 

 light Hi, lvii, 161, 166 



Earth's age 21 



Eclipse photography 209 

 Electric spark photographs Hi, 151 

 Electricity, animal lxi 

 Electrographs 151, 166. pi. 12-16 

 Encrinital group 57 

 Energy of sun 17 

 Expositions 1 

 Eye glands lvii, 185. pi. 22-57 



Fish and bacteria lxi 



Fleas lx 



FricLion of trains on air lx, 215 



Gaseous celestial bodies 21 



Glands of eye lvii, 185. pi. 22-57 



Ice storm US.pl. 10,11 

 Illinois bees 47 

 Isopods lxi 



Kinderhook fauna 57.pl. 1-9 

 Krause's glands 199 



Lacrymal drainage 196 



glands 186, 195, 206. pi. 46- 



57 



Law of temperature 32 



Least squares lx 



Librarian lxix 



Life term on earth 21 



Light absorbed in space 44 



vs. crinoids 179 



vs. photographic develop- 

 ment Hi, lvii, 161, 166 



Light-struck plates 151 



Meibomian glands 190, 203-206. 



pi. 25, 33-36, 38-43, 45 

 Microscope, uses xlix 

 Milling Ivi 

 Muciparous glands 192 



Nebulae, ages 1 

 temperature 36 



Officers lxiv, lxvi 



Orbital glands 186, 203, 204. pi. 22, 



27,29 



Palpebral glands 186, 203, 204. pi. 



23, 24, 26, 28, 29 

 Parabola xlviii 

 Perennial plants li, 131 

 Perfumes liv 



