DEPABTMENT OF MINEKALOGY. 201 



Tourmaline-quartz-rock showing orbicular structure, and 

 eight samples of china-stone from St. Austell, Cornwall : by 

 J. M. Coon, Esq. 



Musical sand from Zambesi River, Rhodesia : by Allan 

 B. Dick, Esq. 



Five specimens of esterellite from the Esterel Mtns., 

 France : by Dr. Julien Drugman. 



Sandstone concretions from Zaras, Egypt : by F. LI. 

 Griffith, Esq. 



Volcanic ash and andesite from Trinidad : by R. J. Lech- 

 mere Guppy, Esq. 



Rhomb-porphyry (Norwegian), a large pebble from Suffolk : 

 by Prof. T. McKenny Hughes, F.R S. 



" Red rain " collected on deck of a ship in the Red Sea : by 

 Geo. H. Jackson, Esq. 



Materials from a mud volcano which gave rise to a new 

 island off the coast of Trinidad in 1911 : by Charles A. Mills, 

 Esq. 



Rock specimens collected by Dr. C. W. Andrews, F.R.S., 

 on Christmas Island, Indian Ocean : by Sir John Murray, 

 K.C.B., F.R.S. • 



Phosphate rock from Weenen, Natal : by James Peniston, 

 Esq. 



A series of 62 rock specimens collected by the donor in 

 north-west Mongolia : by M. Philips Price, Esq. 



Eight specimens from Skiddaw, Cumberland, and eight 

 from Cape Colony, collected and described by the donor : 

 by R. H. Rastall, Esq. 



Thirty-two specimens from Costa Rica collected and 

 described by the donor : by J. Romanes, Esq. 



Material erupted in 1911 from a mud volcano in Trinidad : 

 by Julian G. Rust, Esq. 



Rock fragments from the sites of old villages in Sudan : 

 by Dr. C. G. Seligmann. 



Glacial boulders from Withernsea, Yorkshire : by G. Shep- 

 pard, Esq. 



A series of 43 rocks collected by the donor in Sark, Channel 

 Islands: by Dr. G. F. Herbert Smith. 



Dolerite and spotted slate from Denbighshire ; borolanite 

 from Ross-shire ; zircon-hornblende-syenite from the Cambridge 

 drift : by W. Campbell Smith, Esq. 



Fulgurites ( " lightning tubes "), a large number of fragments, 

 some of which fit together as a tube 3 ft. 2 in. long, from 

 Maldonado, Uruguay : by Lieut. J. C. Johnstone Soutter, R.N. 



Materials from a mud volcano which gave rise to a new 

 island off the coast of Trinidad in 1911 : by C. B. C. Storey, 

 Esq. 



