90 



Vol. XXXVIII, Part 6; Vol. XXXIX, Parts 1 and 2; Vol. XL, 



Parts 1—4. 

 Newcastle-upon-Tyne, Report of the French Commission 

 on the use of explosives in the presence of fire damps in 

 mines. Part III. 



- Annual Report. Accounts, List of Members, Charter. By 

 Laws etc. 1891. 



Xevv Haven, The American Journal of Science. 3 rd series. Vol. 



XL. Index to Volumes XXXI-tXL; Vol.XLI, Nos241 to252. 



Transactions of the Connecticut Academy of Arts and 



Sciences. Vol. VIII, Part I. 

 New York, Transactions of the New York Academy of Sciences. 



Vol. IX, Nos 3—8. 



— Annals. Vol. IV. Index to Vol. V, Nos 4—8. 

 Odessa, Zapiski matematiczkago Obczestwa. Tom XIII. 



— Zapiski Novoruskago Obczestwa. Tom XVI, 1. 



O Gyalla, Beobachtungen, angestellt am Astrophysikalischen 

 Observatorium. XI. und XII. Band. Jahre 1888 und 1889. 



Osnabriick, Achter Jahresbericht des Naturwissenschaftlichen 

 Vereins in Osnabriick fiir die Jahre 1889 und 1890. 



Oxford, Results of Astronomical and meteorological Obser- 

 vations made at the Radcliff Observatory, Oxford in the 

 year 1886. Vol. XLIV. 



Palermo, Rendiconti delCircolo matematico. Tomo V, Fascicoli 

 1°— 6°. 



- Giornale di Scienze naturali ed economiche di Palermo. 

 Vol. XX (anno 1890). 



Paris, Academie des sciences: Comptes rendus hebdomadaires 

 des seances. Tome CXII, Nos 1—26; Tome CXIII, Nos 1 

 a 26 et Tables. 



- Oeuvres completes d'Augustin Cauchy. 2 e serie, Tome IX. 



— Oeuvres completes de Laplace. Tome VIII. 



- Institut de France: Bulletin du Comite international per- 

 manent pour 1'execution photographique de la Carte du 

 Ciel. 6 C Fascicule. Reunion du Comite a l'Observatoire de 

 Paris en 1891. 



— Academie de Medecine: Bulletin. Tome XXV, 1891, 

 Nos 1—51. 



