cclxxxiv 



GENERAL INDEX. 



Sitaris— History of. 548. 



". coUetes, 548. 



" humeralis, 548. 

 Skull of Mound-builder— Character- 

 istics of, 228. 

 Skulls— Perforation of mound, 150. 

 Spreading-adder, IW. 

 Spring canker-worm, 279. 

 Springs, early, ML 

 Squirrels on conifers, U*). 



" storing of food by, 7.?7, ms. 

 Storm, May 19, 1873, at St. Louis, 

 Synemon, 337. {101. 



Tarantula, 2m. 

 Terebratula Mormonli, 252. 

 Tetraonyx, 558. 

 Thecla Isocrates, 335. 

 Theognis phyllopus, 59. 

 " albicinctus, 59. 

 Threnodes, 324. 

 Tree growth in St. Louis, 2in. 

 Triungulinus andrenetarum, 546. 

 Trombidium sericeum, 2G6. 

 Tryphon atricoxus, 194. 

 Tornado of March 20, 1872, 7U. 

 Tyroglyphus phylloxerae, 215. 



Unguinal characters of Meloidae, 

 Urania, 324. [565. 



Uropoda vegetans, 219. 



Vanessa antiopa. 218. 

 Venus, Egyptian transits of, 415. 

 Verbena hybrids, 399. 

 Vilfa vaginaeflora, 188. [224. 



Vision — Phenomena of binocular, 

 Vitis aestivalis. 270. 

 " Labrusca, 270. 



Watchman's recorder, 2Go. 

 Water — Consumption of, by domes- 

 tic animals, 187. 

 Winters, coldest. 103, 17o. 

 Worm, coughed from lungs, 90. 



Xanthoptera semicrocea, 236. 



" Ridingsii, 240. 



Xyleutes, 335. 

 Xylonomus albipictus, 158. 

 " stigmapterus, 165. 



Yucca-borer — Notes on the. 323. 

 Yucca fertilization, 59. 



" flowers — Insects found on, 



" notes on, 17. [59. 



" acuminata, 40. 



" albospica, 87, 213. 



Yucca angustifolia. 50. 



" aloifolia, 34. 



" aspera, 37, 212. 



" arcuata, 37. 



" baccata, 44. 



" Boerhaavii, 41. 



" brevifolia, 40, 47, 213, 371. 



" canaliculata, 43, 212. 



" circinata, 46. 



" concava, 52. 



" conspicua, .35. 



" constricta, 213. 



■' contorta, 49. 



'• crassiflla, 44. 



" crenulata, 37. 



" DeSmeiiana, 41, 210. 



•' Dracoiiis, 35. 



" " var. arborescens, 47. 



" Ellacombii, 41. 



'' ensifolia, 41. 



" exigua, 43. 



" filaraentosa, 51, 213. 



" fllifera, 46. 



" flaccida, 52. 



" flexilis, 41. 



" gigantea, 212. 



" glauca, 41, 43, 53. 



" Guatemalensis, 38. 



" longifolia, 42. 



" lute.ecens, 48. 



" obliqua, 40. 



" orchiodes, 43. 



" Parmentieri, 37. 



" pendula, 41. 



■ " periculosa, 46. 



" plicata, 40. 



" polyphylla, 46. 



" pruinosa, 41. 



" puberula, 46, 53. 



" recurva, 41. 



" recurvifolia, 39. 



" rufocincta, 41. 



" rupicola, 48. 



" scabrifolia, 46. 



" Schottii, 46. 



" serrulata, 37. 



" stricta, 50. 



" superba, 41. 



" tenuifolia, 37. 



♦' tortifolia. 48. 



" tortilis, 49. 



" tortnlata, 41. 



" Treculiana. 41, 210, 212. 



" Whipplei, 51, 214, 372. 



" Yucatana, 37. 



Zinc and Lead deposits in Missouri, 

 Zonitis, 568. [246. 



