PLATE XVII. 



Microscopic textures of the lavas of the Kabano lava-field, the 

 South and Middle Cones, and the Bummei eruption of 

 1471-1476. 



Fig. 1. — Black vitrohypersthene-andesite of Kabano, the saîiic lava type as PI. 

 XVI. l^'io-. 8, from wliicli this differs in its glassy base which is 

 (liaracteristically dainascciied in texture. See jmges 158, 159. 



Fig, 2. — Pyroxene-andesite (hyp. > ang.) of the South Cone from Cape 

 Kannon-zaki. Olivine was once observed (not in slide). Sec pages 

 IGO, 161, 162. 



Fig. -">.■ — Pyroxene-andesite of the same type collected on the southeast slope of 

 the South C^ine l)etweeii .']00-800 î/î. contonr-line. It is the normal 

 type Avith abundant l)rown glass base. See pages 160, 161. 



Fig. 4. — Pyroxene-andesite of tlie same tyjx^ as the preceding, collected on the 

 top of the ]\Iiddle Cone. See pages 160, 161, 162. 



Fig. 5. — Pyroxene-andesite of the INIiddle Cone, type ß, from the Nagasaki 

 headland. See pages 160, 161, 162. 



Fig. 6. — Pyroxene-andesite la\:i of the Ihrimnei eruption. A sjxicinien from 



the lîyôbu-hira lava-field, vent Xo. 1, on tlie southwestern sliore. See 



pages 166, 170. 

 Fig. 7. — Pyroxene-andesite lava of the same era from Cape Moye-zaki at tlie 



lava-cud (»f the Jîyôhu-liira flow. Sec pages 166, 170. 

 Fig. 8. — Pyroxene-andesite at tlu; water's edge from the same locality as the 



preceding. See pages 166, 170. 



