730 SEC. 16. GEOLOGY AND MINING. 



Gault corals. 



Grey chalk and gault echinoderms of the genera Cidaris, Pseudodiadema, 

 Salenia, and allied genera. 



Gasteropoda of the gault, illustrating the families aporrhaidse, scalidse, and 

 rissoidse, described in the Geological Magazine for 1875-76. 



3363. Collection of Typical Trachytes, consisting of some 

 fifty specimens, arranged according to the system of the con- 

 tributor. Dr. J. Szabo, Buda-Pesth. 



3364. Thin polished plates of Trachytes, prepared at 

 the University Institute for microscopic observation. 



Dr. J. Szabo, Buda-Pesth. 



3365. Definition of Felspar exhibited in diagrams accord- 

 ing to the system of the. contributor. 



Dr. J. Szabo, Buda-Pesth. 



3366. Collection of Nummulites, systematically arranged 

 with specimens prepared by Hantke and Madarasz. 



Maximilian Hantken, Buda-Pesth. 



3367. General Collection of Foraminifera. 



Maximilian Hantken, Buda-Pesth. 



3368. Collection of Bryozoa, consisting of finished spe- 

 cimens. Maximilian Hanthen, Buda-Pesth. 



3369. Hammer Holder and Waist-strap; one with 

 hammer in the position when worn. Specially adapted for geo- 

 logists in the field. Thomas J. Downing. 



3370. Card-board Trays, showing various sizes suitable for 

 holding and arranging specimens in the cabinet. 



Thomas J. Downing. 



3371* Tablet-wood, covered with coloured papers, for mount- 

 ing geological specimens. Thomas J. Downing. 



3372. Improved Cement for mending fossils. 



Thomas J. Downing. 



3373. A collection of Volcanic Bocks of the Prussian 

 provinces of Nassau and the Rhine, and especially from the 

 district round the Laacher See and the Sieben Gebirge. 



B. Sturtz, Bonn. 



3374. A local collection of Trachytes from the neigh- 

 bourhood of Kremnitz in Hungary. B. Sturtz, Bonn. 



3375. A collection of Bock Specimens from the Island 

 of Elba, B. Sturtz, Bonn. 



3376. A collection of Volcanic Bocks from the neigh- 

 bourhood of Naples. B. Sturtz, Bonn. 



