454 



ANNUAL REPORT SMITHSONIAN INSTITUTION, 1940 



the character of the Stonehenge fragments. The same may be said 

 of the rhyolite. 



Finally, when sections of the rocks are examined mider the micro- 

 scope, the similarity becomes identity. Photographs of these sections 

 are on view at the Salisbury Museum, together with a full series of 



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06 dittxxjti. 



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£3 = 



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*^}i/nii, cyvcum^xi, nujoauixxyvob y^and^ricmji, . 



Figure 4. 



specimens illustrating the lithology of Stonehenge. Dr. Thomas in 

 his report adds that "the assemblage of Stonehenge foreign 3tones pre- 

 sents the significant feature of derivation from a comparatively small 

 area where all the rock types occur together." 



