Report of National Museum, 1890 Merrill. 



Plate CXXVIII. 



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5^? 



Fig. 1. Liparite, pumiceous form. (Cat. No. 22906, U. S. N. M.) 

 Fig. 2. Liparite, obsidian form. (Cat. No. 28922, U. S. N. M.) 

 Fig. 3. Liparite, rhyolite form. (Cat. No. 72870, U. S. N. M.) 

 Fig. 4. Liparite, nevadite form. (Cat. No. 73176, U. S. N. M.) 



