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470 Randall (F. A.). Preliminary report on the geology of Cattarau- 
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N. Y. State Mus., 47th Ann. Kept., pp. 713-719. 
Gives diagrammatic, vertical, and cross sections of the strata of these 
counties, with notes on the distribution of the several formations. 
471 Ransome (F. Leslie). The eruptive rocks of Point Bonita. 
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Describes the occurrence and petrographic characters of the sphe- 
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472 The geology of Angel Island [California]. 
Uuiv. of Cal., Dept, of Geol., Bull., vol. i, pp. 193-233. 
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graphic character, and contact lnetamorphisni of the fourchite and 
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47o Rauff( Hermann). Palreospongiologie. Erster Theil. 
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America. 
474 Raymond (R. W.). A new classification of economic geological 
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475 Reid (Marry F.). [On the upward movement within a glacier.] 
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In discussion of }>aper by W. Upham on " Evidences of the derivation 
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470 Rickard (T. A.). [The genesis of ore deposits.] 
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477 Ries (Heinrich). A Pleistocene lake bed at Elizabethtown, Essex 
County, N. Y. 
N. Y. Acad. Sci., Trans., vol. xiii, pp. 107-109. 
Describes the formation of this lake bed and the process of lake 
filling now going on. 
478 On some new forms of wollastonite from New York. 
N. Y. Acad. Sci., Trans., vol. xiii, pp. 146-147 and 207-208. 
Describes the crystallographic characters of this mineral. 
