[1900.] 



56 



JENNINGS, A. V. The Geology of Bad Nauheim and its Thermal Salt-Springs. 



Geol. Mag. dec. 4, vii. pp. 349-366. [Maps.] 1900. And A.C. 

 . See Whitaker, W. 



JENSEN, A. S. Studier over nordiske Mollusker. I. Mya. [Abstract.] Geol. 



Foren. StocJch. Fork. xxii. pp. 465-471, figs. 1900 ; & Vidensk. Meddel. naturh. 



Foren. Kjbbenhavn, 1900, pp. 133-158, figs. 1900. A.C. 

 ■ 2. Om Levninger af Gruntvandsdyr paa store Havdyb mellem J an Mayen og 



Island. [Abstract.] Geol. Foren. Stockh. Fork. xxii. pp. 472-475, fig. 1900 5 



& Vidensk. Meddel. naturh. Foren. Kjdbenliavn, 1900, pp. 229-239, fig. 

 JENTZSCH, A. Bericht fiber Anfnahmen in Westpreussen wahrend der Jahre 



3895 nnd 1896. Jalirb. k.-preuss. geol. Landesanst. xvii. pp. xcii-xcvi. 



1897. 



2. Neue Gesteins-Aufschlfisse in Ost nnd Westpreussen 1893-1895. Ibid. 



pp. 1-125, pis. i-iv. 1897. 

 3. Maasse einiger Rennthierstangen aus Wiesenkalk. Ibid, xviii. pp. 28-31, fig. 



1898. 



■ 4. Bericht fiber Aufnahmen im Westpreussen wahrend der Jahre 1897 und 



1898. Ibid. xix. pp. ccxviii-ccxxxvii. 1899. 



5. Bericht fiber die Verwaltung des Ostpreussischen Provinzialmuseums in 



den Jahren 1896, 1897 und 1898, nebst Beitragen zur Geologie und Urgeschichte 

 Ost- und Westpreussens. Schr. physik.-dkonom. Gesellsch. Kbnigsb. xl. Abh. 

 pp. 19-40 {to be continued). 1900. 



6. Ueber Spuren des Interglacialen Menschen in Norddeutschland. Ibid. 



Sitz.-Ber. pp. 16-18. 1900. 



JEKEMEJEV, P. von {the late). Lasur-Oligoklas, Albit und Titanit vom 

 Baikalsee. Zeitschr.f. Kryst. xxxii. pp. 493-496. 1900. 



JEROME, — . See Mottrlon, M., &c 



JERVIS, W. P. Thalassographical and Thalassological Notes on the North Sea. 

 Journ. Vict. Inst. London, xxxii. pp. 317-335. 1 Chart [North Sea]. 1900. 

 And A.C. 



JESUP, M. K. Annual Report for 1899. Ann. Rep. Am. Mus. Nat. Hist. N.T. 



1899, pp. 1-33, 11 pis. 1900. 



JIMBO, K. Notes on the Minerals of Japan. Geol. Mag. dec. 4, vii. pp. 65-66. 

 1900. 



J O ASS ART, C. Sur une remarquable Anomalie des Couches Haute-Claire et Grande- 



Veine au Charbonnage de Bonne-Esperance, a Herstal. Ann. Soc. geol. Belg. 



liege, xxvii. Hull. pp. lviii-lxi, figs. 1900. 

 JOHN, C. von. Ueber Eruptivgesteine aus dem Salzkammergut. Jahrb. k. k.geol. 



Reichsanst. xlix. pp. 247-258. 1899. 



■ 2. Ueber Gesteine von Pozoritta und Holbak. Ibid. pp. 559-568. 1899. 



JOHNSON, A. N. The Present Condition of Maryland Highways. Maryland 



Geol. Surv. iii. pp. 187-262, pis. xv-xxviii. [Geological Maps.] 1899. [See 



Clark, W. B.] 



JOHNSON, J. P. Palaeolithic Man in the Valley of the Wandle. Sci.- Gossip, n. s . 



vii. pp. 69-71. 1900. 

 JOHNSON, T. The Irish Peat Question. Fcon. Proc. R. Dublin Soc. i. pp. 1-72, 



figs. 



JOHNSTON, R. M. Lava v. Sill Origin of the Higher Igneous Mountain-Caps. 



Papers <f Proc. Roy. Soc. Tasm. 1898-99, pp. xlvii-xlviii, xlix-lii. 1900. 

 JOHNSTON-LAVIS, H. J. Calcareous Confetti and Oolitic Structure. Rep. 



Brit. Assoc. 1899, pp. 744-746. 1900. 

 JOLY, J. An Estimate of the Geological Age of the Earth. Sci. Trans. R. 



Dublin Soc. ser. 2, vii. pp. 23-65. 1899. 

 ■ 2. The Geological Age of the Earth. Geol. Mag. dec. 4, vii. pp. 220-225. 



1900 ; & Nature, lxii. pp. 235-237. 1900. 

 JONES, A. W. New Developments in the Mentor Beds. Trans. Kansas Acad. 



Sci. xvi. pp. 65-66. 1899. 

 JONES, C. C. A Geologic and Economic Survey of the Clay-Deposits of the Lower 



Hudson River Valley. Trans. Am. Inst. M.F. xxix. pp. 40-83, figs. 1900. 

 JONES. J. A. The Devonian Iron-Ores of Asturias, Spain. Proc. Midland Inst. 



M.F. xv. pp. 347-360, pis. ix & x. [Map, 1 inch = 6 miles] 1899 ; & Trans. 



Inst. ME. xviii. pp. 279-292, pis. ix & x. [Map, 1 inch = 6 miles.] 1899. 

 JONES. T. R. Catalogue of the Known Foraminifera from the Chalk and Chalk- 

 marl of the South and South-east of England. Geol. Mag. dec. 4, vii. pp. 225- 



229 1900 And A C 



2. John Young. ' [Obit.] Ibid. pp. 382-384. 1900. And A.C. 



• 3. James Thomson. [Obit,] lb id. pp. 479-480. 1900. And A.C. 



