370 



INDEX TO VOLUME I. 



DecIjTnation, to correct the sun's for the 



effect of refraction, 64. 

 Democrat, Wis., pvrite from, 145. 

 Detekmination of latitude and time from 



equal altitudes of stars, 94. 

 Determination of time and azimuth from 



transits over the vertical of the pole star, 



81. 

 Determination of the an^rular equivalent 



of one division of a spirit level, 68. 

 Diamond Geo\t;, Wis. : 



calcite from, 117. 

 marcasite from, 140. 

 Diamonds from the driftof Wisconsin, 152. 

 " Dog Tooth Spar" (calcite), 116. 

 Doellen, cited on simplified method of 



determination of time from transits 81. 

 " Dry Bone," Ore, from Southern Wiscon- 

 sin, 114. 

 Eagle Diamond, 153. 



Expression foe the Atmospheric Re- 

 fraction, a simple but practical, 60. 

 Fareington, O. C, cited on Arizona Azur- 



ites, 146. 

 Field Geology (Baraboo Bluffs), 38. 

 Flexure, determination of , in "Broken" 



transit, 75. 

 Fluxion Steuctuee, in quartz kerato- 



phyre, 51. 

 Formic Acid, effect on liberation of iodine 



from mixed solutions, 27, 32. 

 Galena (Galenite) from Wisconsin and 



Illinois, 123. 



, arborescent forms, 125. 



, regitlar asrprregates of, 124. 



, "reticulated," 125, 126. 



, twinned crystals, 127. 



Galena, 111., calcite from, 116, 117. 



, cerussite from, 128, 132. 



, ealena from, 123, 127. 



, marcHsitefrom, 143, 144. 



, sphalerite from, 132, i;J4. 



Galena Lisiestone, minerals of, in Wis- 

 consin, 114. 

 GoLDSCHMiDT, V. v.j cited on calcite, 117. 

 Green, Howard, mineral collection of, 151, 



152. 

 Geeen, R. B., analysis of cerussite by, 132. 

 Gypsum, from Mineral Point, W'is., 135. 

 Geoundmass, in quartz keratophyre, 51. 

 Grout, cited on Kindberg's new species of 



mosses, v. 

 Hamilton Cement Rock at Milwaukee, 



druse minerals from, 149. 

 Hawoeth, E., cited on poikili tic structure, 



51. 

 Hazel Geeen, Wis., marcasite from, 140, 



141. 

 Heald, FredD., acknowledgments to, iv, 



vii. 

 Hematite, from southern Wisconsin, 115. 

 Heney Collection of mineral.s, 110. 

 Highland, Wis., cerussite from, 128. 



galena from, 123, 125,126. 

 HOBBS, Wm. H., a contribution to the min- 

 eralogy of Wisconsin (title of paper), 109. 



• , acknowledgements to, 35. 



, cited on Wisconsin diamonds. Ill, 152. 



Hodge, James T., cited on striated galena, 



126 (note). 

 Howe, Maeshall A., acknowledgments 



to, viii. 

 Howitt, cited on analysis of quartz kerat- 

 ophyre, 48. 

 Hydrobeomic acid, effects on the libera- 

 tion of iodine by, in solutions of potassium 

 iodide, etc., 27, 28. 



Hydeochloeic acid. On the speed of 

 liberation of iodine in mixed solutions of, 

 with potassium iodide, etc., 1. 



J accelerator in liberating iodine from 



mixed solutions, 28. 

 Hydeozincite, reported from southern 



Wi.'^consin, 115. 

 Iddings, .J. P., cited on spherulites, 52. 

 Ilmenite, in quartz keratophyre, 50. 

 Iodine, on the speed of liberation of in 

 mixed solutions of potassium chlorate, 

 potassium iodide, and tiydrochloric acid, 

 by Herman Sclilundt, 1. 

 Ieby, cited on calcite, 117. 

 Irving, R. D., cited on Baraboo quartzite 

 ranges, 36, 37. 



, cited on Wisconsin minerals, 110, 111. 



Jacobs, cited on analysis of quartz kerato- 

 phyre, 48. 

 Johnson, cited on tables for corrections 



sun's declination, 64. 

 Keys, Analytic, to the genera and species or 



North American mosses, 157. 

 KiNDBERG, N. C, cited on new Species of 



mosses, iv, v. 

 Kohlsville Diamond, 153. 

 Kremers, Edward, acknowledgments to, 



110, 149. 

 Kuxz, Geo. F., cited on Wisconsin dia- 

 monds. Ill, 152. 

 Latitude and time, determination or, 



from equal altitudes of stars, 94. 

 Lesqueeeux and .James, cited, iii, ix. 

 Leucoxene, in quartz keratophyre, 50. 

 Le%'el division, determination of, in 



" broken " transit, 75. 

 Level readings, the reduction of, 57. 

 Limestone of Baraboo region, 38. 

 LiMPEicHT, cited, vii. 

 Linden Mine, Wis. : 

 barite from, 137. 

 calcite from, 115, 116, 117,120. 

 marcasite from, 138, 140. 

 MacMillan, Conway, acknowledgments 



to, viii. 

 Macoun, John, cited, iv. 

 M.agnetite, in quartz keratophyre, 51. _ 

 Malachite, from Mineral Point, Wis., 



148. 

 Map, geological, of North range of Baraboo 

 Bluffs, 55. „,. . ^„„ 



Maecasite, from southern Wisconsin, 138. 



from Milwaukee, 151. 

 Mifflin, Wis., calcite from, 117. 

 MiLLEEiTE, from Milwaukee, 152. 

 Mineral Point, Wis., " Anglesite" from, 

 1.36. 

 Azurite from, 145. 

 Barite from, 1.37. 

 Calcite from, 116, 117. 

 Cerussite from, 128. • 

 Chalcopvrite from, 145. 

 Galena from, 124, 125. 

 Gypsum from, 135. 

 Malachite from, 148. 

 Marcasite from, 138. 

 Pyritf* from, 144, 

 Sinithsonite from, 121. 

 Sphalerite from, 132, 133. 

 Mineralogy of Wisconsin, a contribu- 

 tion to the, 109. 

 Minerals, accessory, in quartz kerato- 

 phyre. 50. 

 Mosses, Analytic keys to the genera and 



species of North American, 157. 

 Mueller, C. , cited on new species of mosses, 

 iv. 



