CATALOGUE—GENEltAL SCIENCE. 
69 
fieumayer, George , und Leichhardt, Otto. Dr. Ludwig 
Leichhardt's Briefe an seine Angehorigen. Heraus. im 
Auftrage der Geographischen Gesellschaft in Hamburg. 
8°. Hamburg, 1881. 
Newlands, John A. E. On the Discovery of the Periodic 
Law and on the Delations among the Atomic Weights. 
8°. London, 1884. 
Newman, H. W. Extracts and Reports on the Lucknow or 
Wentworth Goldfield, near Orange, New South Wales. 
8°. Orange, 1888. 
Newton, Sir Isaac. Principia. Reprinted for Sir William 
Thompson and Hugh Blackburn from the third edition. 
[1726.] 4°. London, 1871. 
Newton, John. The Fortifications of To-Day. Fire against 
Models of Coast Batteries and Parados. Horizontal and 
Curved Fire in Defence of Coasts. 
4. Washington, 1883. 
Nicholson, Henry Alleyne. A Manual of Pakeontology for 
the use of Students, with a general introduction on the 
Principles of Palaeontology. 8°. London, 1872. 
--- A Monograph of the British Stromatoporoids. 
(PaliEonto'jraiiliical Society.) 4 . London, 1886. 
Nicol, James. Elements of Mineralogy; containing a general 
introduction to the Science with descriptions of the 
Species. 8°. Edinburgh, 1858. 
Nicollet, M. et Brousseaud, M. Memoire sur lamesure d’un 
arc du parallele moyen entre le pole et l’equateur. 
8°. Paris, 1825. 
Nitzsch, Christian Ludwig. Pterylography, translated from 
the German. Edited by P. L. Sclatcr. 
(K ay society.) 4:°. London, 1867. 
Niemeyer, Felix von. Clinical Lectures on Pulmonary 
Consumption. Translated from the second German 
edition by C. Bueumler. 8°. London, 1870. 
(New Sydenham Society.) 
