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 Ix, 215 

 Amphipods Ixi 

 Anemometer 216 

 Animal electricity Ixi 



Bacteria Ixi 



Bali- discharge photographs lii, 165 



Bees of Illinois xlviii, 47 



Bison, fossil Ix 



Brilliant points Ixiii. pi. A 



Buds on roots 134 



Burlington sandstone 57 



Burls li, Ivii 



Butterflies xlviii 



Carnncular glands 195 



Cell, plant Iv 



Chonopectus sandstone 57 

 Conjunctival glands 186 

 Coronas, photographic 160 

 Crowns of plants 131 

 Crustacea Ixi 



Dark stars 42 



Development of photographs in 

 light iii, Ivii, 161, 166 



Earth's age 21 



Eclipse photography 209 

 Electric spark photographs lii, 151 

 Electricity, animal Ixi 

 Electrographs 151, 166. pi. 12-16 

 Encrinital group 67 

 Energy of sun 17 

 Expositions 1 

 Eye glands Ivii, 185. pi. 22-57 



Fish and bacteria Ixi 



Fleas ix 



Friction of trains on air Ix, 215 



OaseoRs celestial bodies 21 



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



Ice storm US.pl. 10, 11 



Illinois bees 47 

 Isopods Ixi 



Kinderhook fauna 57. pi. 1-9 



Krause's glands 199 



Lacrymal drainage 196 



glands 186, 196, 206. pi. 46- 



57 



Law of temperature 32 



Least squares Ix 



Librarian Ixix 



Life term on earth 21 



Light absorbed in space 44 



vs. crinoids 179 



vs. photographic develop- 

 ment lii, Ivii, 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 



Nebnlae, ages 1 

 temperature 36 



Officers Ixiv, Ixvi 



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 



