Additions to the Library. XXV 
Mozandi (L.). Climatologia de Montevideo. Montevideo, 1904. 
From the Author. 
Pickering (Edward C.) Oration on the aims of an astronomer. (Harvard 
Graduates Magazine, XV. 57, Sept., 1906.) 
Riefler (S.). Zeitiibertragung durch den Telephon. lHlektrische Ferneinstel- 
lung von Uhren. (Zeitschrift f. Instrumentenkunde, 1906, Hefte 2 
and 4.) From the Author. 
Russell (H. C.). Current papers, no. 7. 1902. 
Wet years in England and Australia. 1902. From the Author. 
Samuelson (A.). Resistance of air and the question of flying. Hamburg, 1905. 
From the Author. 
Schuyten (M. C.). Over de snelheid der uitstralingswarmte van het lichaam. 
1902. From the Author. 
Over de omzetting van swavel in ijzer. 1904. From the Author. 
Seward (A. C.) and Arber (S$. A. N.) Les nipadites des couches éocénes de la 
Belgique. Bruxelles, 1908. From the Authors. 
Smith (Grant.). Eyes of Certain Pulmonate Gasteropods. (Bull. Mus. Com- 
par. Zoology, Harvard College, XLVIII. 8.) 1906. 
J. Vallot et ses oeuvres. Paris, 1904. From J. Vallot. 
Waard (C. de, Jr.). .De uitvinding der verrekijers. ’s Gravenhage, 1906. 
From the Author. 
Ward (H. A.). Catalogue of the Ward-Coonley Collection of Meteorites. 
Chicago, 1904. From the Author. 
Zawodny (J.). Die Musik (St. Aloisius-Blatt, nr. 6, 1906). 
From the Author. 
Der Ring (Geschichte und Sage). From the Author. 
