18 



Presents. 



[Dec. 5, 



fixed upon the occulting eye-piece, a device for limiting the aperture 

 at the eye-end of a telescope, or for occulting any portion or portions 

 of the field of view, and which I have fully described in vol. 45 of the 

 1 Monthly Notices of the Royal Astronomical Society.' 



Presents, December 5, 1889. 



Transactions. 



Acireale : — Societa Italiana dei Microscopisti. Bollettino. Anno 1. 



Vol. I. Fasc. 1-2. 8vo. Acireale 1889. The Society. 



Freiburg - im - Breisgau : — Naturf orschende Gesellschaft. Berichte. 



Bd. III. Bd. IV. 8vo. Freiburg 1888-89. The Society. 



Graz: — Naturwissenschaftlicher Verein fur Steiermark. Mit- 



theilungen. Jahrg. 1888. 8vo. Graz 1889. The Verein. 



Heidelberg : — Naturhistorisch-Medicinischer Verein. Verhand- 



lungen. Bd. IV. Heft 2-3. 8vo. Heidelberg 1889. 



The Verein. 



Konigsberg : — Physikalisch-Okonomische Gesellschaft. Schriften. 



1888. 4to. Konigsberg 1889. The Society. 



Lausanne : — Societe Vaudoise des Sciences Naturelles. Bulletin. 



Vol. XXIV. No. 99. 8vo. Lausanne 1889. The Society. 

 Leipsic: — Astronomische Gesellschaft. Vierteljahrsschrift. Jahrg. 



XXIV. Heft 3-4. 8vo. Leipzig 1889; Publication der 



Astronomischen Gesellschaft. No. 19. 4to. Leipzig 1889. 



The Society. 



Melbourne : — Royal Society of Victoria. Proceedings. New Series. 

 Vol. I. 8vo. Melbourne 1889. The Society. 



New York: — Academy of Sciences. Annals. Vol. IV. Nos. 10-11. 

 8vo. New York 1889 ; Transactions. Vol. VIII. Nos. 1-4. 8vo. 

 New York 1888-89. The Academy. 



American Geographical Society. Bulletin. Vol. XXI. Nos. 2-3. 

 8vo. New York 1889. The Society. 



Philadelphia: — American Philosophical Society. Proceedings. 

 Vol. XXVI. No. 129. 8vo. Philadelphia 1889; Subject 

 Register of Papers published in the Transactions and Pro- 

 ceedings. 8vo. Philadelphia 1889. With three other 

 Pamphlets. 8vo. The Society. 



Pisa: — Societa Toscana di Scienze Naturali. Processi Verbali. 

 Vol. VI. 8vo. [Pisa] 1889. The Society. 



Prague : — Konigl. Bohmische Gesellschaft der Wissenschaften. 

 Abhandlungen (Mathem.-Naturwiss. Classe) Bd. II. 4to. 

 Prag 1888 ; Abhandlungen (Philos.-Histor.-Philolog. Classe). 

 Bd. II. 4to. Prag 1888; Sitzungs berichte (Mathem.-Natur-. 

 wiss. Classe). 1888, 1889 (Bd. I.) 8 vo. Prag 1889 ; Sitzungs- 



