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MEMOIRS. Old Series, Vols. 1-1; Ni-.w Series, Vols. 1-12. 

 16 volumes, •-'Hi each. Half volumes, $5 each. Discount to 

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Vol. 11. Pari i. Centennial Celebration. 1880. j.p. 1-104. I**?. 12.00. 



1'm;i 2. So. I. Agassiz, A. — The Tortogas and Florida Reefs, pp. 105-134, 

 12 pis. Jnne, 1885. (Author's copies, June, 188 18.00. 



Pari 8. Nos. 2-3. Searle, A.— The Apparenl Position of the Zodiacal Light 

 pp. 135-157 and Chandler, S. C. — <>n the Square Bar Micrometer, pp. I5fi 

 October, 1885. $1.00. 



Pari i. So. i. Pickering, E. C. — Stellar Photography, pp. iT9-2i'6. 2 pis. 

 March, 1886 M.oo. 



Pari i No. 5. Rogers, W. A., and Winlock, Anna, — A Catalogue <>f 130 Polar 

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Part 5. No. 6. Langley, 8. P., Young, C. A., and Pickering, E. C. — Pritchard's 

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Part 6. No. 7. Wyman, M. — Memoir <>f Daniel Tread well. pp. 325-523. 

 Oct. -her, 1887. S2.i)0. 



Vol. 12. 1. Sawyer, E.F. — Catalogue of the Magnitudes of Southern Stars 

 from 0° to —30° Declination, to the Magnitude 7.0 inclusive, pp. 1-100. Mav 

 1892. $1 50. 



2. Rowland, II. A. — On a Talile of Standard Wave Lengths <>f the Spectral 

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3. Thaxter, R. — Contribution towards a Monograph <>f the Laboulbeniai 

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4. Lowell, P. — New Observations of the Planet Mercury, pp. 431-466. 8 pis, 

 June 1898. $1.25. 



Sedgwick, W". T., and Winslow, C, E. A.— (I.) Experiments on the I ffi i I of 



ezing and other low Temperatures upon the Viability <>f the Bacillus "f 



Typhoid Fever, with Considerations regarding Ice as n Vehicle oi Infectious 



Disease. (II.) Statistical Studies on the Seasonal Prevalence of Typhoid 



Fever in various Countries and its Relation to Seasonal Temperature, pp. 467- 



I. S pis. August, 1902. $2.50. 



Vol. I.'J. I. Curtiss, I >. R, — Binary Families in a Triplj connected Region, 

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2. Tonks, O. S. — Brygos: his Characteristics, pp. 61-119. 2 pis. November, 

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3. Lyman, T. — The Spectrum of Hydrogen in the Region "f Extremely Short 

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4. Pickering, \V. H. — Lunar and Hawaiian Physical Features Compared, 

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5. Trowbridge, J. —High Electro-motive Force, pp. 181-215. pis. xxv-xxvii. 

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Complete Works of Count Romford. I vols.. |5.00 each. 

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mplete Bets of the Life and Works of Rumford. 5 vols., £2"). 00; 

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