166 



VESUVIAN ROCKS 



Upper 

 Gallery. 



Table-caso 

 in Recess 4. 



28.— Lava, with small crystals of meionite.— Eruption of 

 1760 ; found at Santa Masiello. 



29.— Lava, with crystals of augite. — Eruption of 1767 • 

 found at Fossa Grande. 



30.— Lava, with crystals of felspar and aw wte.-— Eruption 

 of 1767. 



31. — Lava, with crystals of augite, some coated with a 

 brick -red crust, from the crater of Vesuvius. — Eruption of 

 1779 ; found at Atrio del Cavallo. 



32. — Similar rock to the last — Eruption of 1786 ; found 

 at Fossa del Vetraro. 



33. — Black scoriaceous lava. 



ater of Pagliatone, Atrio del Cava 



Eruption of 1786 ; 



34. — Lava, with crystals of augite and olivine Eruption 



of 1 794 ; found at Torre del Greco. 



35. — Vesicular lava, externally coated with crystals of 

 iron glance.— Eruption of 1803 ; found at Camandoli delli 

 Torre del Greco. 



36. — Basaltic lava, with crystals of augite. — Eruption 



of 1803 ; found at Camandoli. 



37.— Scoriaceous lava, with obsidian.— Eruption of 



1804 ; found at Camandoli. 



38. — Lava, with small crystals of mica. — Eruption of 

 1804 ; found at Camandoli. 



39. — Scoriaceous lava, with crystals of felspar 

 Eruption of 1806 ; found at Camandoli. 



40. — Lava, with crystals of augite. — Eruption of 1809 ; 

 found at Camandoli. 



41 — Lava, with crystals of leucite, augite, and mica. 

 Eruption of 1810 ; found at Piano del Cinestro. 



42. — Lava, with crystals of mica and augite Eruption 



of 1810 ; found at Piano del Cinestro. 



43. — Dark scoriaceous lava, weathered, brownish-red 



with a few augite crystals. — Eruption of 1811 j found at 

 Giesovito. 



44— Black vesicular lava, with a few crystals of 



felspar and augite — Eruption of 1812; found at Vicilo 

 del Vesuvio. 



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