252 HISTORICAL PALZZXONTOLOGY. 
Oolite), there has been discovered, however, the at present 
unique skeleton of a Bird well known under the name of the 
Archeopteryx macrura (figs. 181, 182). The only known 
Fig. 181.—A rcheopteryx macrura, showing tail and tail-feathers, with detached bones. 
Reduced. From the Lithographic Slate of Solenhofen. 
specimen—now in the British Museum—unfortunately does 
not exhibit the skull; but the fine-grained matrix has pre- 
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Fig. 182.—Restoration of Archeopteryx macrura. (After Owen.) 
served a number of the other bones of the skeleton, along with 
the impressions of the tail and wing feathers. From these 
remains we know that Archaeopteryx differed in some remark- 
