weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 51 
368 Hollick (Arthur). Additions to the paleobotany of the Creta- 
ceous formation on Staten Island [New York]. No. II. 
N, Y.Acad. Sci., Annals, vol. xi, pp. 415-430, pis. xxxvi-xxxviii, 1F98. 
Describes the relations of the Cretaceous strata and illustrates and 
describes some of the fossil plants. 
369 Geological notes. Long Island and Block Island. 
N. Y. Acad. Sci., Trans., vol. xvi, pp. 9-18, 1898. 
Describes results of a study of the Cretaceous deposits and gives 
lists of fossils collected. 
370 The Cretaceous clay marl exposure at Cliffwood, New Jersey. 
N. Y. Acad. Sci., Trans., vol. xvi, pp. 124-134, pis. xi-xiv, 1898. 
Discusses the stratigraphic relations and describes some of the fossils 
collected. 
371 Further notes on Block Island. Geology and botany. 
Am. Geol., vol. xxi, pp. 200-201 (£ p.), 1898. 
Contains summary of paper read before the New York Academy of 
Sciences. 
372 — The age of the Amboy clay series, as indicated by its flora. 
Abstracts : Am. Assoc. Adv. Sci., Proc, vol. xlvii, pp. 292-293 ; Science, 
new ser., vol. viii, pp. 467-468; Am. Geol., vol. xxii, pp. 255-256, 1898. 
373 Further notes on Block Island. Geology and botany. 
Abstract, Science, new ser., vol. vii, pp. 178-179, 1898. 
Summary of paper read before the New York Academy of Sciences. 
374 Some features of the drift on Staten Island, New York. 
Abstracts, Science, new ser., vol. viii, p. 463 (£ p.); Am. Geol., vol. 
xxii, p. 249 (ip.), 1898. 
375 Notes on the glacial phenomena of Staten Island [New York]. 
Science, new ser., vol. viii, p. 840 (£ p.), 1898. 
Contains summary of paper read before the New York Academy of 
Sciences. 
375a See Newberry (J. S.), No. 573a. 
376 Hopkins (Thomas 0.). Concentric weathering in sedimentary 
rocks. 
Geol. Soc. Am., Bull., vol. ix, pp. 427-428, pis. 27-29 ; Abstract, Science, 
new ser., vol. vii, p. 84 (9 1. ), 1898. 
Describes weathering of sedimentary rocks along the Ohio River. 
377 Some feldspars in serpentine, southeastern Pennsylvania. 
Abstracts, Am. Assoc. Adv. Sci., Proc, vol. xlvii, pp. 293-294 (£ p.); 
Science, new ser., vol. viii, p. 468 (13 1.) ; Am. Geol., vol. xxii, p. 256 (9 1.), 
1898. 
Describes occurrence of feldspars and associated minerals in ser- 
pentine. 
378 Fire clays. 
Mines and Minerals, vol. xix, pp. 53-55, 1 fig., 1898. 
Describes the characters of fire clay and its occurrence in Pennsyl- 
vania. 
