150 •■ THE SAND STRAND FLOBA 



Conrad, F. W. 



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Constantin, J. 



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XXXII. 1885. 

 Contejean, Ch. 



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 Copeland, Edwin Bingham. 



The Mechanism of Stomata.— Ann. Bot. XVI: 327—364. 1902. 

 Cornish, Vaughan. 



Ripple Mark.— Rep. Br. A. A. S. 1896: 794—795. 



Sand-dunes.— Rep. Br. A. A. S. 1896, p. 857. 



■ On the Formation of Sand-dunes.— Geogr. Journ. IX: 278 — 302. 1897. 



On Sea Beaches and Sand-banks.— Geogr. Journ. XI: 628 — 647. 1898. 



On Photographs of Wave Phenomena. — Rep. Br. A. A. S. 1899 : 748 — 749. 



On Sand-dunes bordering the Delta of the Nile. — Rep. Br. A. A. S. 



1899: 812—813. 

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1900. Abridged in Nature, 61: 403 — 404. 1900. 

 On Tidal Sand Ripples above Low-water Mark. — Rep. Br. A. A. S. 



1900: 733—734. 

 On the formation of wave surfaces in sand. — Scot. Geogr. Mag. 17: 



1—11, January, 1901. Abridged in Nature, 63: 623—625. 1901. 

 On sand waves in tidal currents. — Geogr. Journ. XVIII : 170 — 202. 1901. 



Courbis, E. 



Les dunes et les eaux souterraines du Sahara. — Compt. Rend. Soc. 

 Ggogr., Paris. 1890: 114—119, 259—. 



Coupin, H. 



Sur la toxicitg des composed du sodium, du potassium et de 1'ammonium 

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■ Sur la sensibility des vegetaux superieurs a Taction utile des sels de 



potassium. — Compt. rend. Acad. Sci., Paris, 32: 1582 — . 1901. 



Coville, Frederick Vernon and Macdougal, Daniel Trembly. 



Desert Botanical Laboratory of the Carnegie Institution, 58 p. — Wash- 

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Cowles, Henry C. 



The ecological relations of the vegetation of the sand-dunes of Lake 

 Michigan.— Bot. Gaz. 27: 95—117, 167—202, 281—308, 361—391. 1899. 



The physiographic ecology of Chicago and vicinity ; a study of the origin, 



development, and classification of plant societies. — Bot. Gaz. 31 : 73 — 108, 

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Crawford, J. C. 



Directions for Raising and Spreading AmmopMla arundinacea and 

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