cclxxxiv 



GENERAL INDEX. 



Sitaris— History of 548. 



" colletes. 548. 



" humeralis, 548. 

 Skull of Mound-builder— Character- 

 istics of, 228. 

 Skulls— Perforation of mound, 150. 

 Spreading-adder, 110. 

 Spring canker-worm, 279. 

 Springs, early, 4>j. 

 Squirrels on conifers, 146. 



" storing of food by, 137, 168. 

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

 Synemon, 337. [107. 



Tarantula, 269. 

 Terebratula Mormonii, 252. 

 Tetraonyx, 55S. 

 Thecla Isocrates, 335. 

 Theognis phyllopus, 59. 

 albicinctus, 59. 

 Threnodes. 324. 

 Tree growth in St. Louis, 219. 

 TriiiDgujinus andrenetarum, 546. 

 Trombidium sericeum, 266. 

 Tryphon atricoxus, 194. 

 Tornado of March 20, 1872, 79. 

 Tyroglypbus phylloxeras, 215. 



Unguinal characters of Meloidae, 

 Urania, 324. [505. 



Uropoda vegetans, 219. 



Vanessa an tiopa, 218. 

 Venus, Egyptian transits of, 415. 

 Verbena hybrids, 399. 

 Vilfa vaginseflora, 188. [224. 



Vision— Phenomena of binocular, 

 Vitis aestivalis. '.':<>. 

 " Labrusca, 270. 



Watchman's recorder, 260. 

 Water— Consumption of. by domes- 

 tic animals, 187. 

 Winters, coldest, 103, 173. 

 Worm, coughed from lungs, 90 



Xanthoptera semicrocea, 230. 



" 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, 37, 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. 



" const) icta, 213. 



•' contorta, 49. 



'• crassifila, 44. 



" crenulata, 37. 



" DeSmetiana, 41, 210. 



•' Draconis, 35. 

 " " var. arborescens, 47, 



" Ellacombii, 41. 



" ensifolia, 41. 



" exigua. 43. 



" filamentosa, 51, 213. 



" filifera, 46. 



" flaccida, 52. 



" flexilis, 41. 



11 gigantea, 212. 



" glauca, 41, 43, 53. 



" Guatemalensis, 38. 



" longifolia. 42. 



" lutescens. 48. 



" obliqua. 40. 



" orchiodes, 43. 



" Parmentieri, 37. 



" pendula, 41. 



" periculosa, 46. 



" plioata, 40. 



" polvphylla, 46. 



'• pruinosa, 41. 



" puberula, 40, 53. 



" recurva, 41. 



" recurvifolia, 39. 



•' rufocincta, 41. 



rupicola, 48. 



" scabrifolia, 46. 



" Schottii, 46. 



11 serrulata, 37. 



" stricta, 50. 



" superba, 41. 



" tenuifolia, 37. 



" tortifolia, 48. 



" tortilis, 49. 



" tortulata, 41. 



<« Treeu liana. 41, 210, 212. 



" Whipplei, 51. 214, 372. 



" Yucatana, 37. 



Zinc and Lead deposits in Missouri, 



Zonitis, 558. [240. 



