264 



EXTINCT VOLCANOS 



Upper 

 Galleky. 



Table-case 

 in Recess 6. 



96— Lava, with crystals of altered leucite, found in cavi- 



ties in friable tufa. 



Monte 



Found in large masses north-east of Monte 



97.— Finely vesicular grey lava, approaching to 

 pumice, with lines of ashy lamina?, and a few crystals of 

 leucite. "" 



Cimino. 



98. — Grey lava, in places finely vesicular, and contain- 

 ing crystals of leucite and a crystal of garnet. From the 



rock, halfway up Monte Maschio, near Velletri. 



99. 



finely 



taining trapezohedral crystals of leucite, and disseminated 



scales of black mica. — Monte Cavo. 

 100. 



di Bracciano. 



§c — Strada 



101. — Detached crystals op augite, from the Tusculan 

 and Alban Hills. 



102.— Augite and leucite, found in the ashes on the 



igite) 



Monte 



103.— Basaltic lava, with breislakite {xvhite 

 leucite, &c. — Capo di Bove. 



134.— Basaltic lava, with crystals of leucite m>& augite, 

 •Capo di Bove. 



105.— Lava, with leucite, augite, and Hauyne, forming 

 masses occurring in a bed of volcanic conglomerate, near 



Osteria, on the road to Albano. 



106.— Lava, composed of augite, leucite, &c— Near 

 Albano. 



107.— Basaltic lava,* with augite.— Capo di Bove. 

 108— Grey lava,* with crystals of augite.— Monte di 

 Pofi, near Ceprano, in the Campagna. 



109— Augitic lava,* interior of the basin of Lake 

 Albano. 



r 10— Pitchstone lava, with crystals of glassy felspar. 

 From the mass on the plain of Galli, near the Alum 



Works at Tolfa. 



* Nos. 107 to 109 attract the magnetic needle. 



H 









V 



d< 



H 



l»c 



itf 



117.' 





118.' 



) 



119-- 



f , * 

 120, 



121, 

 122, 



kite. 

 123, 



124, 



IMJfff 



123. 



126. 



12;. 



c 



128 



"JWfifi 



130, 



119, l 2 



s . • 



• '.V. 



