I. GEOLOGY. 843 



71. Trachyte from Palmas (Grau Canaria), vide No. 5 of the collection of 

 Grau Canaria rocks of M. S. Calderon, formed of sanidin, magnetite. 



70. Trachyte from Grau Canaria, vide No. 7 of collection of Grau Canaria 

 rocks oi M. S. Calderon, formed of sanidin, magnetite, augite, 

 hornblende. 



73. Trachyte from Grau Canaria (No. 9 of collections of Grau Cauaria 



rocks, by M. S. Calderon, formed of sanidin, magnetite, hornblende. 



74. Trachyte from La Cumbro (Grau Canaria), No. 3 of the collection of 



Gftu Canaria, by M. S. Calderon, formed of sanidin, magnetite, 

 augite, aragonite. 



75. Tufa from Artenaza (Grau Canaria), No. 53 of the collection of Grau 



Canaria of M. S. Calderon, formed of sanidin, 'clay. 



76. Plagioclase dolerite from Salto del Castellano (Grau Canaria) No. 45 of 



the collection of Grau Canaria rocks, by M. S. Calderon, formed of 

 plagioclase, augite, and magnetite. 



77. Basalt from Las Palmas, Grau Canaria, No. 40 of collection of Grau 



Canaria rocks of M. S. Calderon, formed of augite, magnetite, olivine, 

 plagioclase. 



78. Basalt from Las Palmas, Grau Canaria, No. 39 collection Grau Canaria 



rocks of M. S. Calderou, formed of augite, magnetite, olivine, plagio- 

 clase. 



79. Plagioclasbasalt from La Cumbre (Grau Canaria), vide No. 53 of col- 



lection of Grau Canaria rocks of M. S. Calderon, formed of plagio- 

 clase, augite, magnetite, hematite. 



80. Nephelinebasalt, from La Cumbre (Grau Canaria), No. 36 of the col- 



lection of Grau Canaria of M. S. Calderon), formed of nepheline, 

 augite, magnetite, plagioclase, hematite. 



81. Rosed felsyte from the Escorial, formed of felsyte and hornblende. 



82. Serpentine from Burgos, formed of serpentine, diallage, magnetite. 



83. Phonolyte from Agacte, Grau Canaria (No. 23 of collection of Grau 



Canaria rocks of M. S. Calderon), formed of sanidin^ nepheline, 

 hornblende, sphene. 



84. Leptynyte from Sierra de Guadarrama, formed of orthoclase, quartz, 



muscovite, apatite. 



85. Diorite from Peguerinos (Avila), formed of plagioclase, hornblende, 



magnetite, augite. 



86. Diorite from Buitrago (Madrid), formed of plagioclase, hornblende, 



magnetite. 



87. Ophite from Pando (Santander), formed of plagioclase, augite, diallage, 



hornblende, viridite epidote, magnetite.* 



88. Ophite from Pando (Santander), treated by acids, formed of plagio- 



clase, augite, diallage, epidote. 



89. Altered ophite from Pando (Santander), formed of plagioclase, augite, 



diallage, magnetite, and viritite. 



90. Garnet fiLs of Riaza (Segovia), formed of garnet, hornblende, plagio- 



clase.f 



3288. Geological Sections of five proposed Hues of railway 

 through the counties of Surrey and Sussex, from Brighton to 

 London, made and surveyed in 1837, by Joseph Gibbs, C.E.^and 

 Arthur Dean> C.E. Free Library and Museum, Brighton. 



South-Eastern, Brighton line, from Carlton Hill, Brighton, to junction with 

 the Greenwich Railway. Direct line, from Church Street, Brighton, to.junc- 



'* Opita de Pando (Santandar), por P. Quirago au de la Soc. Esp. de Hist. Nat., J. V. 

 t Vide Elements de Pelographic von Du. A. von Lasaulx. Bonn, 1876. 



