constants in the equation rA. r x( r \-+- r A.r — la?/ r - n -+-...-+-rA«a?/A-i-...-+-rA 0 — y x = 0\ obtained by 

 the method of least squares, from the n-+-l values of y x when x — 0, 1, 2, . . . n; n being greater 

 than r. — Mar Ih. Note on the transit of the earth and moon across the sun's disk as seen from 

 Mars on November 12, 1879, and on some kiadred phenomena. — Lynn. On the change in the 

 mean error of longitude of Hansen's lunar tables since 1876. — Hall. Note on Hyperion. — Sindsay 

 and Copeland. Observations of meteores made on November 27, 1878. 



tNotulen van de Algemeene en Bestuurs-vergaderingen van het Bataviaash Genootschap 



vàn Kunsten en Welenschappen. Deel XVI N. 3-4; XVII N. 1. Batavia, 1879. 8.° 

 ^Observations (astronomical and magnetical and meteorological) made at the E. Obser- 



vatory Greenwich in the year 1876. London, 1878. 4.° 

 +Observations (Washington) astronomical and meteorological 1868 app. I; 1869 app. II; 



1870 app. I, III, IV; 1871 app. I; 1872 app. I, II; 1874 app. II; 1875 voi. XXII. 



Washington, 1870-1878. 4.° 

 +Observations météorologiques publiées par la Société des sciences de Finlandie. 



Années 1875, 1876. Helsingfors, 1878. 8.° 

 +Observ-er (science). A journal for scientists. Voi. II n. 9, 10. Boston, 1879. 8.° 

 +Ofversigt af Fiuska Vetenskaps-Societetens Forhandlingar. XIX (1876-1877), XX 



(1877-1878). Helsingfors, 1878. 8.° 

 XX. Ahlqvist. Aer Accadiskan verkligen ett ural-altaiskt sprak? — Hàllslén. Not till Eulers 

 koordinat-transformation. — Ahlqvisl. Ett irrbloss pa forskningens falt. — Wiik. Bidrag till Alands 

 geologi. — Màklin. Nya arter af slagtet Poecilesthus Blanchard. — Id. Nagra bidrag teli kànnedom 

 af slagtet Talanus Dejean Cat. — Id. Diagnoser ofver forut obeskrifna Statira-arter fran Nya Granada. — 

 Moberg. Sammandrag af de klimatologiska anteckningarne i Finland ar 1877. — Id. Manadtliga 

 medelhojden af hafsytan vid Finlands kuster ar 1877 i jemfòrelse med det arliga medeltalet. — 

 Oehmann. Nederborden i Wiborg 1872-1877. — Borenius. Nederbord i Helsingfors under aren 

 1848-1877. — Id. Medeltemperatur och nederbord i Helsingfors under aret 1877. 

 tOversigt over det k. Danske Videnskabernes selskabs forhandlinger og dets Med- 

 lemmers arbejder i Aaret 1842-1852, 1879 n. 2. Kjobenhavn, 1879. 8." 

 1879. Lorenz. Om Elektricitetens Forplantning. — Warming. Bidrag til Cycadeernes Natur- 

 historie.— Zeuthen. Nogle Egenskaber ved Eurver af fjerde Orden med to Dobbeltpunkter. 

 tOsservazioni meteorologiche fatte nelle stazioni italiane presso le Alpi e gii Apennini 

 (Osservatorio di Moncalieri) e pubblicate per cura del Club alpino italiano. 

 Anno Vili n. 5-9. Torino, 1879. 8.° 

 ■f-Papers and proceedings and report of the royal Society of Tasmania for 1877. 



Tasmania, 1878. 8.° 



Hutton. Polyzoa, south Australian, on some. — Tenison-Woods. Shells, census of the marine, 

 of Tasmania. — Spicer. Plants, Alien. — Id. Conferva bombyeina. — Id. Ergot, occurrence of on 

 Eye-Grass. — Slephens. Beservoir, notes on the Hobart Town Storage. — Spicer. Plants as insect 

 Destroyers. — Tenison-Woods. Siphonaria ,. on Tasmanian. — Spicer. Silk and silk producers. — 

 Allport. Salmo n experiment, present stage of. — Mueller. Phytography of Tasmania, contributions 

 to, n. 5. — Tenison-Woods. Shells, on some New Tasmanian marine. 



'Popolazione. Movimento dello stato civile. Anni dal 1862 al 1877. Introduzione con 



raffronti di statistica internazionale. Koma, 1878. 4.° 

 "Periodico della Società storica per la provincia e antica diocesi di Como. Fase. 3.° 



Milano, 1879. 8.° 



"^Proceedings of the Academy of naturai sciences of Philadelphia. Part I-III (Jan.- 

 Dec. 1878). Philadelphia, 1878-1879. 8.° 

 Bullettino-Tkan sunti — Vol. IV. 0 8 



