VULCANOLOGY AND SEISMOLOGY. 311 



L. RicciARDi.— L'Etna e 1' eruzioue del mese di marzo 1881?. (Atti dell' Accad. Gioe- 



nia di Sci. Nat. ia Catania (1885), ser. iii, xviii, 195.) 

 L, EicCiARDi. — Recherches cbimiques sur les produits de l'6ruption de I'Etna aux mois 



de mai et de juiu 1886. (Compt. rend. (1886), cii, 1484-1487.) 

 A. Ricc6. — L'ele Ferdinandea,le soleil bleu et les cr6puscule8 rouges de 1831. (Compt. 



reud (1886), cii, 1060-1063.) 

 A. Ricc5. — Pli6uom(ines atmo8ph6rique8 observes h Palermo pendant I'^ruption de 



I'Etna. (Compt. rend. (1886), cm, 419-421.) 

 A. Ricco. — Red Sunsets and Volcanic Eruptions. (Nature (1886), xxxiv, 386.) 

 RiSPATic. — Die Erdbeben Kroatiens im Jahre 1883. (Veihandl. der k. k. geolog. 



Reichsaust. Wien (1886), i, 266-273. Review, Gaea (1886), xxii, 58.) 



C. G. RoCKWOOD, Jr. — Recent Earthquake Literature. (Science (1886), viii, 242- 

 244.) 



M. S. DE Rossi. — Communicazione sul terremoto di Casamicciola. (Boll. d. Soc. 



Geolog. Italiana (1883), ii, 92.) 

 M. S. DK Rossi. — Communicazione sulla questione dei segni precursor! del terremoto 



di Casamicciola. (Boll. d. Soc. Geolog. Italiana (1883), ii, 217.) 

 Justus Roth. — Ueber einen vulcaniscben Ausbruch in Nord-Neu-Seeland und iiber 



Erdbeben in Malta. (Sitzber. der phys.-math. Classe der Berlin. Akad. (1886), pp. 



941-944.) 

 W. RoWELL. — Account of a New Volcanic Island in the Pacific Ocean. Illustrated. 



(Proc.Roy. Soc, London (1885), XL, 81,82.) 

 Schmidt. — Review of G. F. Becker: Geometrical Form of Volcanic Cones. 



(No. 1, Bibliog., 1885.) (Peterm. geogr. Mitt. (1886), Bd. 32. Litt. Bericht, pp. 



53, 54.) 

 Seikei Sekiya. — New System of Earthquake Observations in Japan. (Nature (1886), 



XXXIII, 603,604. Abstract, Peterm. geogr. Mitt. (1886), Bd. 32. Litt. Bericht, p. 



77.) 

 Seikei Sekiya. —The Earthquake of October 15, 1884. (Japanese Trans. Seis. Soc. 



of Japan (1886), 7ol. III.) 

 R. Shida. — Automatic Current Recorder. (Trans. Seis. Soc. of Japan (1886), ix, 



22-31*. Notices Nature (1886), xxxiv, 434. Science (1886), viii, 244.) 

 R. Shida. — On Earth Currents (Trans. Seis. Soc. of Japan (1886), ix, 32-50.) 

 Shortt. — Earthquake Phenomena in Tasmania. (Proc. Roy. Soc. Tasmania 



for 1885. ) 

 H. SiLVESTRi. — Sur I'^ruption do I'Etna de mai et juin 1886. (Compt. rend (1886), 



CII, 1589-1592.) 

 O. SiLVESTRi. — Sulla esplosione Etnae del 22 marzo 1883, in relazione al feuomeni 



vulcanici presentati dall' Etna durante il quadriennio compreso dall genu. 1880 al 



dec, 1883. (Atti dell' Accad. Gioenia di Sci. Nat. in Catania (1885), ser. iii, xviii, 



237.) 



D. A. Stevenson.— An Earthquake Invention. (Nature (1886), xxxiii, 534.) 



A. Stoop. — Verslag van een bezoek van den Vulkaan Merapi im November 1884 en 

 van een onderzoek im Juli 1885. Map. (Natuurk. Tijdschr. v. Nederl. Indie D. 

 XLV, 89-93, 518-524.) 



E. SvEDMARK. — Om de vulkauiska utbrotten vid Alaska, 1883. (Ymer (1885), v, 129- 

 134.) 



W. Toi'LEY. — Notes on the recent earthquake in the United States, including a tele- 

 graphic dispatch from Maj. Powell, Director of the U. S. Geological Survey. Brit. 

 Assoc, 1886. (Review, Nature (1886), xxxiv, 470, 471.) 



R. D. M. Verbeek. — Verslag over een onderzoek van den vulkaan Merapi im Dec. 

 1884. Map. (Natuurk. Tijdschr. v. Nederl. Indie (1885), xiv, 89-94.) 



L^ON ViDAL. — Sur le tremblement de terre du 27 aoflt 1886 (nouveau style) en Grfece. 

 (Compt. rend. (1886), cm, 563-565.) 



