CXXXI — 



+ Mittheilungen der k. k. geographischen Gesellschaft in Wien. 1886. Bd. XXIX. 

 Wien, 1886. 



+ Monatsbiatter des Wisseuschaftlichen Club. Jhg. Vili, 7. Wien, 1887. 

 + Monumenta medii aevi bistorica res gestas Poloniae illustrantia. T. IX. Cra- 

 coviae, 1886. 



Codicis diplomatici Poloniae minoris pars 2 a (1153-1333). 

 "' Monumenta spectantia historiam Slavorum meridionalium. Voi. XVII. Za- 

 gabriae, 1886. 



+Naturforscher (Der). Jbg. XX, n. 13-18. Tùbingen, 1887. 

 + Notices (Montbly) of tbe royal astronomical Society. Voi. XL VII, 4, 5. Lon- 

 don, 1887. 



Gyldén. On the Determination of the Eadius Vector in the Absolute' Orbit of the 

 Planets. — Tennant. Notes on Eeflecting Telescopes. — Abney. On the Atmospheric 

 Transmission of Visual and Photographically Active Light. — Roberts. Photographic 

 Search for the Minor Planet Sappho. — Gore. On the Orbit of 14 (i) Orionis (0. 

 Struve 98).— Id. Observations of the Variable Star S(10) Sagittse. — Franks. A pro- 

 posed Nomenclature for Star Colours. — Todi. On the Best Device for Eevolving a 

 Dome. — Crossley. A Centering Tube for Eeflecting Telescopes. — Royal Observatory, 

 Greenwich. Observations of Comets e 1886 (Finlay), b 1887 (Brooks), c 1887 (Barnard), 

 and d 1887 (Barnard). — Id id., Cape of Good Hope. Observations of Comets, made in 

 the Year 1886. — Tebbutt. Observations of Winnecke's Comet, 1886 , made at Windsor, 

 New South Wales. — Finlay. Elements of Comet 1886 e (Finlay). — Id. Comet 1887 a. — 

 Todd. Observations of Comet 1887 a, made at the Observatory, Adelaide. — Storie. The 

 Moon and Aldebaran, 1887, March 2, as seen at the Eadcliffe Observatory, Oxford.— 

 Elger. Note on the Near Approach of the Moon to « Tauri. — Johnson. Second Oc- 

 cultati on of Aldebaran, 1887. — Prince. The Occultation of Aldebaran. 



1 Notulen van de Algemeene en Bestuursvergaderingen van bet Bataviaascb 

 Genootscbap van Kunsten en Wetenscbappen. Deel XXIV, Afl. 2. 

 Batavia, 1886. 



Tamietnik Akademii Umijetnosci w Krakowie. Wydz. Mat.-Przyr. T. XII. 



W Krakowie, 1886. 

 ■ Postgraduate Course of lectures St Louis University. 1886-87. St Louis. 

 f Proceedings of the r. Geograpbical Society. N. M. S. Voi. IX, 4. Aprii 1887. 



London. 



Delrnar Morgan. Prejevalsky's Journeys and discoveries in Central Asia. — Potanin's 

 Journey in Northwestern China and Eastern Tibet. — A Journey in Northern and Eastern 

 Manchuria. 



i Proceedings of the Cambridge Philosophical Society. Voi. VI, 1. Cambridge, 1887. 



Basset. On the Potentials of the surfaces formed by the revolution of Limacons and 

 Cardioids about their axes. — Fisher. An attempt to explain certain geological phenomena 

 by the application to a liquid substratum of Henry's law of the absorption of gases. — 

 Wilberforce. On a now method of determinig Specific Inductive Capacity. — M c Connel. 

 On Lagrange's Equations of Motion. — Sedgwick. On the Coelom and body-cavity of Pe- 

 ripatus and the Arthropoda. — Vines and Rendle. Note on the 'Vesicular Vessels' of the 

 Onion. — Potter. On Epiclemmydia lusitanica, a new genus of algae. — Gardiner. On a 

 peculiar organ of Hodgsonia heteroclita. — Mannheìm. Note de Géométrie cinématique. — 



