I. GEOLOGY. 849 



The classification of the Phonolites by the exhibitor is contained in 

 Paper No. IX., the felspar phonolites of other authors being omitted as ap- 

 proaching more to the trachytes. Drawings and descriptions of normal types 

 are found in Paper No. X., with the original plates G and H. 



3319. Collection of Hand Specimens of Typical Basal- 

 tites (Melaphyre, Palatinite, Minette, Kersanton and Kersantite), 

 also Porphyrite (48 specimens), illustrated by ninety thin sections. 



Mineralogical and Geological Cabinet of the School of 



Industry, Cassel (Dr. H. Mohl). 



For reasons in favour of adopting the name Basaltite, see Paper No. 8, 1 st 

 and 2nd part. The descriptions of two so-called minettes will be found in 

 Paper No. VII., 3rd part. 



3320. Thirteen Papers relating to the above rocks and sec- 

 tions, with drawings, also ten coloured plates of drawings of thin 

 sections (amongst them six original plates). 



Original water-colour drawings. 



Mineralogical and Geological Cabinet of the School of 

 Industry, Cassel (Dr. H. Mohl). 



3319a. Collection of Specimens of Rocks of the Canary 

 Islands. Don Salvador Calderon, Madrid. 



These specimens are accompanied by a memoir by Seiior Calderon, on the 

 rocks of the Canary Islands, entitled " Resiiia de las rocas de la isla volcanica 

 Grau Canaria." 4 Madrid, 1876. 



3321. Thin Sections of typical rocks in a box (90 specimens). 



Voigt and Hochgesang, Gottingen (Gust. Voigt). 



Contains rocks selected according to F. Zirkel's " Microscopical Cha- 

 I'acters of Minerals and Rocks." 



3322. Thin Sections of typical rocks in a box (20 specimens). 



Voigt and Hochgesang, Gottingen (Gust. Voigt). 



Collected by Dr. v. Seebach, and described by Dr. F. Zirkel, Leipzic. 



3323. Series of the most characteristic Porphyries of 



Silesia, with thin sections of the same, in a case. 



University of Breslau (Prof. A. von Lasaulx). 



3324. Collection of Thin Sections of the rocks of Saxony. 



Royal Saxon Mining Academy, Freiberg. 



3266. Maps, illustrative of theories of relative directions of 

 lodes, joints, mountain chains, coast lines, limits of geological 

 formations and rivers. Jos. P. O'Reilly. 



Map of Europe (geographical); two base lines, viz., Algerian coast and 

 Syrian coast lines. 



Map of Spain (Francisco Cuillo's geographical) ; base line taken from the 

 map of Europe. (Compare with de Verneuil's map for correspondence of 

 geographical and geological lines of direction.) 



40075. 3 H 



