346 Field Columbian Museum — Reports, Vol. II. 



the well-known Ore Velho mines of Bahia and the arsenical de- 

 posits of Minas Geraes. The characteristic siliceous and pipe 

 iron ores of Minas Geraes are also well represented in the mate- 

 rial obtained. A full series of diamond-bearing gravels was secured^ 

 also several hundred pounds of the Brazilian monazite sands from 

 different localities. Ores of copper, zinc, cadmium and mercury 

 were also secured. The minerals obtained included representatives 

 of a number of rare species, such as goyazite, scorodite, anatase and 

 hydrargillite, and of gem minerals, such as tourmaline, topaz, aqua- 

 marine, etc. Other foreign countries from which valuable collections 

 were obtained were: Bulgaria, which furnished t6 specimens, chiefly 

 of copper ores and coals; Canada, 55 specimens, ores and economic 

 minerals, including some from the newly discovered cobalt deposits 

 of Haileybury ; Egypt, 20 specimens copper ores and salts; Germany, 

 29 specimens peat and its products, clays, etc.; Haiti, 39 specimens, 

 copper, gold, manganese, and other ores, and a manuscript geological 

 map of part of the island ; Italy, 14 photographs of the marble quarries 

 of Carrara; Japan, 14 specimens phosphates and products; New 

 Zealand, 37 geological photographs; and Rhodesia, 20 specimens 

 ores and minerals, including a remarkable occurrence of gold in talc. 

 Commissions or exhibitors of the United States and territories from 

 whom important collections were obtained were: Alaska, 10 speci- 

 mens gold ores and coals; Alabama, 30 specimens, chiefly iron ores 

 and sands; Arizona, 57 specimens copper, gold, and other ores and 

 minerals; Arkansas, 54 specimens zinc ores, phosphates, bauxite, 

 asphalt, etc.; California, 131 specimens ores of mercury, chromium, 

 lithium and other metals, infusorial and nitrous earths, onyx and 

 other ornamental stones, and a relief map 8x4 feet, of a portion 

 of San Bernardino County; Illinois, 10 specimens soils and clays; 

 Kentucky, 31 specimens clays, sands, and ores; Maryland, 20 speci- 

 mens soils; Mississippi, 36 specimens clays, marls and sands; Mis- 

 souri, 51 specimens zinc and iron ores, clays, barites, etc. ; New Mexico, 

 78 specimens of various ores; New York, 17 specimens slates, talcs, 

 and iron ores; North Carolina, 8 specimens monazite, barite, and 

 other minerals; Oklahoma, 22 specimens clays and gypsums; South 

 Dakota, 52 specimens gold and tungsten, ores, quartz, spodumene, 

 mica and other products; Tennessee, 26 specimens phosphates, iron 

 and copper ores; Utah, 33 specimens ores and rare minerals; Vir- 

 ginia, 168 specimens representing the different mineral resources of 

 the state; Washington, 47 specimens gold, silver, lead and copper 

 ores; Wisconsin, 20 specimens building stone, iron ores, etc.; and 



