[i8 99 .] 



46 



HARBOE, E. G. Vereisung unci Vulkanismus. Zeitschr. deutseh. geol. Gesellsclu 



1. pp. 441-461. 1899. 

 ■ . See Semper, M. 



HARGREAVES, T. S., &c. British Guiana. Report of the Council of the- 

 Institute of Mines and Forests on the Gold and Forest Industries of British 

 Guiana for the Year ending 30th June, 1899. Pp. 1-27. Fol. Georgetown 

 (Demerara). 1899. 



HARKER, A. Glaciated Valleys in the Cuillins. Skye. Geol. Mag. dec. 4, vi. 



pp. 196-199, figs. 1899. 

 2. On the Average Composition of British Igneous Rocks. Ibid. pp. 220-222. 



1899. 



3. Notes on Subaerial Erosion in the Isle of Skve. Ibid. pp. 485-491, figs. 



1899. 



. See Cxough, C. T., &c. 



HARLE, E. Age de la Plaine de la Garonne en amont et en aval de Toulouse, 



Bull. Soc. geol. France, ser. 3, xxvi. pp. 413-418. 1898. 

 2. Porc-epic quatemaire de Montsaunes (Haute-Garonne). Ibid. pp. 532- 



534, figs. 1899. And A.C. 

 3. Nouvelles Pieces de Drvopitheque et quelques Coquilles. de Saint-Gaudens 



(Haute-Garonne). Ibid, xxvii. pp. 304-310, pi. iv. 1899. A.C. 

 ■ 4. Gros Cailloux de la Garonne en aval du Confluent du Tarn. Ibid. pp. 348- 



351. 1899. A.C. 



5. Catalogue de Paleontologie quaternaire des Collections de Toulouse (Mars 



1898). Bull. Soc. Hist. nat. Toulouse, xxxii. 1898, pp. 1-41, figs., 1 pi. 1899. 

 A.C. 



HARMER, F. W. The Meteorological Conditions of North-western Europe, 

 during the Pliocene and Glacial Periods. Geol. Mag. dec. 4, vi. pp. 509-510. 

 1899.^ 



2. On a proposed new Classification of the Pliocene Deposits of the East of 



.England. Ibid. pp. 567-568. 1899. 

 HARPER, H. W. Epsom Salts, Magnesium Sulphate, from Brown County 



(Texas). Trans. Texas Acad. Sci. ii. pp. 91-92. 1899. 

 HARRISON. B. See Bied, C. 



HARRISON. J. B., & A. J. Jukes-Beow>'E. The Oceanic Deposits of Trinidad 

 (British West Indies). Q. J. G. S. lv. pp. 177-188. figs. [Map, 1 inch = 

 5 miles.] 1899 ; Abs. Proc. Geol. Soc. 1898-99, pp. 34-35. 1899. 



HARTLEY, E. G. J. Communications from the Oxford Mineralogical Laboratory. 

 On the Constitution of the Natural Arsenates and Phosphates : Part I. — Chalco- 

 phyllite. Min. Mag. xii. pp. 121-122. 1899. 



2. . : Part II. Ibid. pp. 152-158. 1899. 



3. Mittheilungen aus dem mineralogischen Laboratorium der L niversitat 



Oxford. Ueber die Zusammensetzung der natiirlichen Arsenate und Phosphate. 

 1. Chalkophyllit. Zeitschr. f. Krgst. xxxi. pp. 589-591. 1899. 



. See Miees, H. A. 



HARTLEY, W. N., & H. Rahage. A Spectrographs Analysis of Iron-Ores and 



Associated Minerals. [Origin of Ore-Deposits.] Joum. Iron § Steel Inst. 



lii. 1897, pp. 182-192. 1898. 

 — — , 2. A Spectrograph^ Analysis of Iron Meteorites, Siderolites, and 



Meteoric Stones. Sci. Proc. Bog. Dublin Soc. n. s. viii. pp. 703-710, pis. xxii- 



xxiv. 1898. 



HARTZ, N., & E. OstetjP. Danske Diatomejord. Aflejringer og deres Diatomeer, 

 Dan. geol. Undersog. ser. 2, no. 9, pp. 1-81, pis. i & ii. 1899. 



HARZE. E. Anciennes Recherches de Houille a Mouland et a Mesch (Hollande). 

 Ann. Soc. geol. Belg. Liege, xxvi. pp. cxxxiv & cxxxv, fig. 1899. [See 

 Foeie, H.] 



HATCH, F. H. The "Witwatersrand Mines and the Boer Government. JSngin. 



Mag. xvii. pp. 812-817. 1899. And A.C. 

 HATCHER, J. B. Estudios geologicos de la Patagonia. [Abstract.] An. Soc, 



cient. Argent, xlvii. pp. 77-79. 1899. 

 HAUAN. K. M. See Obit., Toexebohm, A. E. 



HAUCHECORNE, W. Begriissungsrede an die Allgemeine Versammlung. Drei 

 und vierzigste Allgemeine Versammlmig der deutschen geologischen Gesell- 

 schaft zu Berlin. Zeitschr. deutseh. geol. Gesellsch. 1. ProtoJc. pp. 43-54. 

 1899. 



2. Ueber das Vorkommen von Schwefel in Brauneisenstein-Drusen bei 



Bobrownik. Ibid. Ii. ProtoTc. pp. 26-27. 1899. 



3. Die deutsche geologische Gesellschaft von 1848-1898. Zeitschr./. <pra~kt. 



Geol. 1899, pp. 33-37.^ 1899. 



