[1921.] 



40 



GREAT BRITAIN, 3. Geological Subtly. Summary of Progress of the 

 Geological Survey of Great Britain and the Museum of Practical Geology for 

 1920. [J. S. Flett, Director.] Pp. 1-112, figs. 8vo. London, 1921. 



4. British Economic Mission to Serbia. See Wray, D. A. 



GRECO, B. Fauna Cretacea dell' Egitto raccolta dal Figari Bey: Parte III — 

 Lamellibranchiata, Fasc. 2 : Lamellibranchi del Turoniano e del Cenomaniano. 

 Palceont. Bal. xxiv. pp. 183-240 (1-58), pis. xvii-xxi (i-v). 1918. 



GREEN, J. F. N. Long Excursion to the Lake District. Proc. Geol. Assoc. xxxii. 

 pp. 123-138, fig. pi. v. 1921. 



. See also Barrow, G. 



GREENE, F. C. Preliminary Sketch of the History of the Lower Missouri. Bull. 



Genl. Soc. Am. xxxii. pp. 83-86. 1921. 

 GREENLAND, C. W. Note on the Optical Fluorite from Madoc, Ontario. Am. 



Min. v. p. 211. 1921. 

 GREENLY, E. Some Geological Studies at Clevedon, Somerset. Ann. Rep. <$f 



Proc. Bristol Nat. Soc. ser. 4, v. pp. 138-144. 1921. 

 2. The Pleistocene Formations of Claverliam and Yatton. Ibid. pp. 145-147. 



1921. 



GREENWOOD, H. W. On Certain Mineral Deposits in Stratified Rocks, with 



special inference to the Carboniferous and Trias. Proc. Liverpool Geol. Soc. 



xiii. pp. 122-138. 1921. 

 GREGORY, H. E. Teaching of Geolosv as related to Research. Bull. Gtol. Soc. 



Am. xxxi. pp. 357-361. 1920. 

 GREGOR Y, J. W. The Glaciation of Ireland. Geol. Hag. 1921. pp. 137-110, 239. 



1921. 



2. Note on the Sequence across Central Spitsbergen from Advent Bay to 



Agardhs Bay. Ibid. pp. 295-296. 3921. 

 — - 3. African Rift- Valleys. Geogr. Journ. lvii. pp. 238-239. 1921. 



4. The Age of the Earth. Nature, cviii. pp. 283-284. 1921. 



■ 5. Glasgow and its Geograpbical History. Scott. Geogr. Mag. xxxvii. pp. 2- 



13, fig. 1921. 



GREGORY, W. K. Studies on the Evolution of the Primates, Part III.— On the 



Structure and Relations of Notharctus, an American Eocene Primate. Mem. 



Am. Mus. Nat. Hist. n. s. iii. pp. 49-243, figs. pis. xxiii-lix. 1920. 

 GRENGG, R. Ueber Entwasserungsfisuren am Gips. Zeitschr.f. Krist. lv. pp. 1- 



22, pis. i & ii. 1915. 

 2. Ueber die Seifige Ei*de von Gaura in Siebenbiirgen. VerJi. geol. Staatsanst. 



Wien, 1920, pp. 170-183, fig. [geol. sketch-map]. 1920. 

 GRILL, E. Sulla Liineburgite di Mejellones (Chile). Atti Soc. tosc. Set. not. 



Proc. Verb. xxix. pp. 18-22. 1920. 

 2. Sulla Pollucite elbana. Ibid. pp. 28-33, fig. 1920. 



GRIMMER, J. Das Steinkohlem orkommen in den Lunzer Schichten Nieder- una" 



Oberosterreichs. Berg- hiittenm. Jahrb. Wien, lxii. pp. 130-155, figs. 1914. 

 GRIPP, K. Ueber das marine Altmiocan im Nordseebecken. Neaes Jahrb. f. Min. 



Beilage, xli. pp. 1-59, pis. i & ii [mapsj. 1916. 

 GROSS, R,, & N. Blassmanx. Drahtformige Kristalle von Wolfram. Ibid. xlii. 



pp. 728-753, figs. pi. xiii. 1919. 

 GROSSE, E. Grundlinien der Geologie und Petrographie des ostlichen Katanga. 



Ibid. pp. 271-419, figs. pis. i-iv [geol. maps]. 1918. 

 GROSSOUVRE, A. de. Calcaires lacustres dans la basse Vallee du Yardar en 



Macedoine. C. B. Soc. geol. France, 1919, pp. 62-63. 1919. 

 2, & F. Ca>*u. Sur un Sondage a Epeigne-sur-Deme (Indre-et-Loire). Ibid. 



p. 53. 1919 ; & Bull. Soc. geol. France, ser. 4, xix. pp. 42-45. 1920. 

 3, & M. Cossiiann. Bajocien-Batbonien dans la Nievre. Ibid, xviii. pp. 337- 



459, figs. pis. xiii-xvi. 1919; & C. B. Soc. geol. France, 1918. p. 134. 



1918. 



GROSSPIETSCH, 0. Apatit aus dem Magnesitbruch im Sunk (Steiermark). 

 Zeitschr.f. Krist. liv..pp. 461-466, figs. 1915. 



. Obit. — See Spencer, L. J., 2. 



GROUNDS, A. See Sinnatt, F. S., 2. 



GROVER, N. C. Surface Water-Supply of Hawaii, July 1, 1916, to June SO. 1917. 



Water-Supply Papers, U.S. Geol. Surv. no. 465, pp. 1-191. 1918. 

 2, A. H. Horton, & W. E. Hall. Surface Water-Supply of the United States, 



1917. Pt. III. — Ohio River Basin. Ibid. no. 453, pp. 1-173, i-xxxii, pis. i & ii. 



1920. 



3, R. Follansbee, & W. A. Lahb. . Part VI. — Missouri River Basin. 



Ibid. no. 456, pp. 1-242, i-xlii, pis. i & ii. 1921. 



