MEMORIAL OF A. P. BROAVN 15 



his death and was always earnest and faithful in the discharge of the 

 duties of this office. 



Doctor Brown's publications displa,v a truly scientific spirit, and all 

 who knew him realized that he had much more original material which 

 he was reluctant to publish until his studies concerning it were more 

 complete. Ill health often held him back in his work and the results he 

 accomplished were attained in spite of physical ailments. The bibliog- 

 raphy accompanying this memoir is probably nearly, if not entirely, 

 complete; but Doctor Brown wrote for journals devoted to different 

 branches of science, and the collection of the titles of his papers has been 

 a matter of considerable difficulty. Moreover, Doctor Brown was a very 

 modest and retiring man ; he never tried to advertise his scientific efforts ; 

 he worked for the love of science and not for its notoriety, so that he left 

 behind him peculiarly little classified information about himself. 



Doctor Brown was held in the highest regard and esteem by all who 



knew him, for beneath his quiet and unassuming manner they recognized 



' a man of remarkable learning, while his scientific grasp of the subjects 



in which he worked commanded the respect of all associated with him 



in similar investigations. 



Bibliography 



Modes of occurrence of pyrite in bituminous coal. Amos P. Brown. Transac- 

 tions of tlie American Institute of Mining Engineers, volume XVI, 1888, 



pages 539-546. 

 Jade and similar green stones. Amos P. Brown. Bulletin of the Museum of 



Science and Art, University of Pennsylvania, volume I, 1898, pages 140- 



145. 

 On the young of Baculites compressus Say. Amos P. Brown. Proceedings of 



the Academy of Natural Sciences of Philadelphia, 1891, pages 159-160. 

 On the j^oung of Baculites compressus Say, Amos P. Brown. The Nautilus, 



volume V, 1891-1892, pages 19-21. 

 On the young of Baculites compressus Say. Amos P. Brown. The Geological 



Magazine (London), new series, decade III, volume VIII, 1891, pages 316- 



317. 

 The development of the shell in the coiled stage of Baculites compressus Say. 



Amos P. Brown. Proceedings of the Academy of Natural Sciences of 



Philadelphia, 1892, pages 136-141. 

 Comparative study of the chemical behavior of pyrite and marcasite. Amos P. 



Brown. Proceedings of the American Philosophical Society, volume 



XXXIII, 1894, pages 225-243. 

 Report on the New Red of Bucks and Montgomery counties. Benjamin Smith 



Lyman. Geological Survey of Pennsylvania, Final Report, volume III, 



part 2, 1895, pages 2589-2638. ''Lithology," by Amos P. Brown, pages 



2623-2626. 



