Fig. 87. — Diagrammatic sketch of the fossil lizard-tailed bird, Archxo- 

 pteryx macrura, from the Lithographic Stone (Upper Jurassic) of 

 Eichsfadt, Bavaria ; about one-quarter nat. size. a, acetabulum ; 

 b, cast of brain-cavity of skull ; c, ribs ; cr, carpals ; /, femur ; fii, fur- 

 cula ; h, humerus ; i, ischium ; mt, tarsometatarsus ; p, phalanges of 

 foot ; r, radius ; sc, scapula ; t, tibia ; u, ulna ; 1, 2, phalanges of hand. 

 (Table-case 1.3.) 



