364 



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 Tirso in Sardegna. 66. — Ferro: Studio cristallografico della Tetra- 

 cetilidrazide. 75; — Studio cristallografico di alcuni derivati della 

 Imidotriazolina. 79. 



1898. 19. Fase. 1 — 6. — Panebianco: Relazione milleriana di quattro 

 facce in zona, e grado di simmetria degli assi, nei cristalli. 1. — Billons : 

 Nota sulla projezione degli assi romboedrici ed esagonali. 17. — Majorana: 

 Sulla riproduzione del diamante. 22. — Panebianco : Note su d'alcune 

 concrezioni delle argille scagliose. 30. — Artini : Intorno alla composizione 

 mineralogica delle sabbie di alcuni fiumi del Veneto, con applizioni della 

 ricerca microscopica allo studio dei terreni di Trasporto. 33. — Meli: 

 Atacamite dei dintorni di Roma. 95. 



The American Journal of Science. Editor Edward S. Dana. 8°. 

 New Häven, Conn., ü. St. [Jb. 1898. IL -186-.] 

 6. No. 31. July 1898. — Beecher: Origin and significance of spines: 

 a study in evolution. 1. — Walker: Crystalline symmetry of Torbernite. 

 41. — Pratt : Origin of the Corundum associated with the peridotites in 

 North Carolina. 49. — Eakle: Erionite, a new Zeolite. 66. — van Hise: 

 Metamorphism of rocks and rock flowage. 75. — Marsh: New species of 

 Ceratopsia. 92. 



No. 32. August 1898. — Marsh : Jurassic formation on the Atlantic 

 coast. Supplement. 105. — Warren: Mineralogical notes. 116. — Beecher: 

 Origin and significance of spines: a study in evolution. 125. — Eaton: 

 Prehistoric fauna of Block Island, as indicated by its ancient shell-heaps. 

 137. — Agassiz : Tertiary elevated limestone reefs of Fiji. 165. — Washing- 

 ton: Sölvsbergite and Tinguaite from Essex County, Mass. 176. — Foote: 

 Occurrence of Native Lead with Roeblhigite, Native Copper and other 

 minerals at Franklin Furnace, N. J. 187 



The Journal of Geolog y. A Semi-Quarterly Magazine of Geology 

 and related Sciences. Chicago. 8°. [Jb. 1898. I. -223-.) 



1897. 5. No. 8. — Merriam : The geologic relations of the Martinez 

 group of California at the typical locality. 767. — Daly: Studies in the 

 so-called porphyritic gneiss of New Hampshire. IL 776. — Chamberlin: 

 Supplementary hypothesis respecting the origin of the loess of the Missis- 

 sippi Valley. 793. — Weller : Cryptodiscus Hall. 803. — Smith : A note 

 on the migration of divides. 809. — Cragdj : Discovery of marine jurassic 

 rocks iu Southwestern Texas. 813. — Iwasaki : Andendiorite in Japan. 821. 

 — Squier: Studies in the driftless region of Wisconsin. 825. — Cham- 

 berlin: The method of multiple working hypotheses. 837. 



1898. 6. No. 1. — Powell: An hypothesis to aecount for the 

 movement in the crust of the earth. 1. — van Hise: Estimates and causes 

 of crustal shortening. 10. — Slichter: Note on the pressure within the 

 earth. 65. — Cross : The geological versus the petrographical Classification 

 of igneous rocks. 79. — Iddings: On rock Classification. 92. 



