438 



NATURAL SCIENCE. 



Dec, 



Fig. I.— The specimen of Archaoptcryx in the British Museum. About i natural 

 size. Explanation of letters:— 7, 2, portions of wing-digits, with claws; cr, metacar- 

 pals; u, u', ulna ; r, r', radius ; /;, h' , humerus; sc, scapula; fu, furculum ; c, ribs 

 partly sternal) ; /, feathers ; /. innominate bone ; a, acetabulum of the same ; /, /', 

 femur; t, t', tibia; mt, metatarsus ; p, phalanges ; b, supposed cast of brain. 

 The block kindly lent by Dr. H. Woodward, F.R.S. 



