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Un caso de extirpacion de la laringe; por el D"' D. Juan Cisneros y Sevi- 

 LLANo. Madrid, Fortanet, 1890; br. in-8°. 



Annals of Mathematics. February, 1890. Office of publication UniversiLy 

 of Virginia, volume V, number 3; br. in-/(°. 



The collecled malhemalical Papers o/Arthur Cayley; vol. III. Cambridge, 

 at the University press, 1890; i vol. in-4°. 



Memoirs of the Royal aslronomical Society, vol. XLIX, part II, 1887-89. 

 London, Royal astronomical Society, 1890; br. in-4°- 



Proceedingsof the RoyalSociely of Edinburgh, \o\. XV (session 1887-88J 

 and vol. XVI (session 1888-89); 2 vol. gr. in-8^ 



Transactions of the Royal Society of Edinburgh, vol. XXXIII, part III; 

 vol. XXXV, part IV, 1 888-1 890; 5 vol. m-!f. 



