( io4i ) 



cristaux biréfringents symétriques, etc. ',par de Colnet d'Huart. Luxembourg , 

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Atti délia Accademia Jisico-medico-statislica in Milano; anno accademico 

 i885, série quarta, vol. III. Milano, tipogr. Nazionale, i885; in-8". 



Second geological Survey ofPensylvania. Grand Atlas. Division I, Part 1 ; 

 Division II, Part 1,2; Division III, Part 1 ; Division IV, Part I ; Division V, 

 Part 1 . Harrisburg, r885; 6 livr. grand aigle. 



