— CLXXXVI — 



Observations on the Total Solar Eclipse of January 1, 1889. — Newbemj. Amber, its 

 History, Occurrence, and Use. — Kurtz. American Ambers, with other Mineralogical 

 Notes. — Id. The Precious and Ornamentai Stones of North America (collection prepared 

 for the Paris Exposition). — Friedrich. Shell-mounds of Cedar Keys, Florida. — Hen- 

 clerson. The Teuhantepec Ship-Railway. — Britton. Remarks on Recent Discoveries in 

 Locai Cretaceous and Quaternary Geolog'y. — Bolton. Jebel Nagous and a New Mountain 

 of the Bell. — Smith. Iceland, its History, People, and Scenery. — Hidden. Yttrium Mi- 

 nerals from Llano Co., Texas. — Ledoux. The Pipe Creek (Texas) Meteorite. — Patten. 

 The Cause of the Tides. — Merriam. Recent Archseological Escavations at Athens, My- 

 cenase, Tiryns, Epidouros, and Olympia. 



1 Transactions of the Seismological Society of Japan. Voi. XIV. Yokohama, 

 1889. 



Milne. Preliminary Report on Earthquake Motion. — Id. Effects produced by Earth- 

 quakes on Buildings. — Lescasse. Description of a System intended to give a Great Secu- 

 rity to Buildings in Masonry against Earthquakes. — Building Regulations for Manila. — 

 Extract from the Report of the Committee appointed to propose Building Regulations for 

 Ischia. — Building Regulations for the Town of Norcia. — Building Regulations for the 

 Communes of the Island of Ischia. — Rules for the Construction and Repairs of Buildings 

 of the Ligurian Communes, &c. — Regulations for the Enforcement of Artide 7 of the 

 Law of 31st May, 1887. — Bertelli. Against the destrnctive effects of Earthquakes. — 

 Abstract of the Report of a General System of Construction for Public and Private Buil- 

 dings to be adopted in the Philipjnne Island &. — On Construction in Colombia, Ecua- 

 dor, Venezuela, Mexico and Guatemala. — Milne. An Epitome of Information useful to 

 Builders contained in the above Reports, with Remarks on the sanie. 



"Verhandlungen der k. k. geologischen Eeichsanstalt. 1890, n. 3-5. Wien. 



"'Verhandlungen des Vereins zur Befòrderung des Gewerbfieisses. 1890, Heft 

 III. Berlin, 1890. 



Slaby. Calorimetrische Untersuchungen ueber den Kreisprozess der Gasmaschine. — 

 Ludewig. Allgemeine Theorie der Turbinen. 



" ; 'Wochenschrift des òst. Ingenieur- und Architekten-Vereines. Jhg. XV, 14-17. 

 Wien, 1890. 



^Wochenschrift (Naturwissenschaftliche). Bd. V, n. 14-17. Berlin, 1890. 

 "•Zeitschrift des osterr. Ingenieur- und Architekten-Vereins. Jhg. XLII, 1. Wien, 

 1890. 



Kick. Ueber die ziffermàssige Bestimmung der Harte und iiber den Fluss sproder 

 Korper. —.Esilia. Der Mansfelder Kupferschiefer-Bergbau. — Melan. Die Donaubriicke 

 bei Cemavoda. — Fischer. Die Gesammt-Ursachen der stetigen Erhohung der Deiche im 

 Unterlaufe der Streme. 



ìZeitschriftfur Etimologie. Jhg. XXI, 4; XXII, 1. Berlin, 1890. 



Undset. Archàologische Aufsatze ueber siideuropàische Fundstiicke. 

 +Zeitschrift (Historische). N. F. Bd. XXVIII, 2. Miìnchen, 1890. 



v. Sybel. Julius Weizsacher. — Weizsàcher. Der Versuch eines Nationalkonzils in 

 Speier 1524. — v. Friedberg. Der Konflikt zwischen Friedrich Wilhelm I. und Karl VI. 

 iiber die Allodifikation der Lehen in den Marken. — Wasserschleben. Ueber das Vater- 

 land der falschen Dekretalen. 



