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Bullelin de r Académie royale des Sciences, des Lettres et des Beaux- Arts de 

 Belgique. N°' 9, 10. Bruxelles, F. Hayez, 1894; i br. in-S". 



United States geological Survey. J.-W. Powell, Director. Washington^ 

 1893; 3 vol. in-4°. 



Bulletin ofthe United States geological Survey. Washington, 1893 ; 20 vol. 

 in-8°. 



University of Pennsylvania. Bandhook of information concerning tlie School 

 of Biology. PhiladeJphia, 1889; i vol. gr. in-8". 



The Journal ofthe Collège of Science impérial University, Japan. Vol. VIII, 

 Part 1. Tokyo, Japan, 1894; i vol. in-8°. 



Almanaque nautico para 1896, calculado de orden de la superioridad en el 

 instituto y observatorio de Marina de la ciudad de San Fernando. Madrid, 

 1894; I vol. in-8''. 



The openning exercises of the inslitute of hygiène of the University of 

 Pennsylvania. Philadeiphia, 1892; i br. in-8°. 



Planlkunding woordenboek voor de boosnen. Vandava met Kortc aantee Ke- 

 ningen over de bruikbaarheid van Het Hout, door S. -H. Koorders. Batavia, 

 Sgravenhague, G. Rolft', 1894; i vol in-S". 



