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 lA 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 

 aad 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 clavs, 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, ;^t, 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 



