XX LIST OF ADDITIONS. 



Summary Report of the Geological Survey Department for the year 

 1890, Canada. From the Department. 



Tablas Pycrometricas calculadas para la altura de Mexico, 1889 

 From the Department. 



T ; .me Reckoning for the Twentieth Century, by S. Fleming, C.M.G., 

 etc., Washington, 1889. 



Transactions of the Institution of Engineers and Shipbuilders in 

 Scotland, vol. xxxiii., Glasgow, 1890. From the Institute. 



Transactions of the Canadian Institute. No. 1, October, 1890, vol. 1, 

 pt. 1. No. 2,March, 1891, vol. 1, pt. 2. From the Institute. 



Transactions of the Connecticut Academy of Arts and Science, Vol. 

 III., Part 1. From the Academy. 



Transactions of the Royal Irish Academy, Vol. XXIV., Part IV., 

 On Curvilinean Co-ordinates, by B. Williamson, M.A., March, 1891. 

 From the Academy. 



Transactions and Proceedings of the New Zealand Institute, 1890, 

 Vol. XXIII. , 6th of new series. From the Institute. 



Transactions of the Royal Society of New South Wales. From the 

 Society. 



Transactions of the Royal Society of South Australia. From the 

 Society. 



Transactions of the Asiatic Society of Japan. Vol. XVIII., part II.; 

 vol. XIX.. parti. From the Society. 



Transactions of the Royal Society of Victoria. Vol, II., pt. 1, 1890. 

 Vol. III., pt. 1, 1891. From the Society. 



Transactions of the Geological Society of London. Vol. XIII., pt. 

 1 and 2, 1891. From the Society. 



United States Coast Geodetic Survey (current bulletins), 1891. From 

 the Department. 



Uniform Imperial Postage : An enquiry and a proposal with an 

 introductory letter to Sir Daniel Cooper, Bart., by Mr. R. J. Beadon, 

 M. A. 



United States Department of Agriculture, Bollworm of Cotton, 

 a report of progress in a supplementary investigation of this insect, 

 by F. W. Mally. Insect Life, Vol. III., Nos. 3 to 9, 1891, No. 7. 

 The Pediculi and Mallophaga, affecting man and the lower animals, by 

 Prof. Herbert Osborn. 



United States Geological Survey West of 100th Meridian. 1 

 Geological report, monographs. 1 Gilbert Lake Bonneville, mono- 

 graphs, XVI Newberry. Palaeozoic Fishes of North America XV, Pt. 

 II. Plates, Monographs, Fontaine, Potomac, or Younger Mesozoic 

 Flora. From the Department. 



United States Department of Agriculture, division of Ornitholoey 

 and Mammalogy, North America found, No, 3 and 4. Washington, 

 1890. From the Department, 



Verhandlungen der GeselJschaft Fiir Erdkunde zu Berlin (current 

 numbers). From the Society. 



Victorian Naturalist (current numbers), 1891. From the Society. 



Victorian Year Book for 1889-90. From the Government Statist. 



