Bulletin of the Museum of Comparative Zoology 



AT HARVARD COLLEGE. 



Vol. XXIV. No. 5. 



THE DEVELOPMENT OF THE SCALES OF 

 LEPIDOSTEUS. 



By W. S. NiCKERSON. 



//T— 1^0 



With Fouk Plates. 



CAMBRIDGE, U. S. A : 



PRINTED FOR THE MUSEUM. 



July, 1893. 



