420 DR. E. A. GOELDI ON THE LEP1DOSIREN OF THE AMAZONS. 



"lozenge-shaped areas" on the living animal. The lateral lines of this 

 portion are accurately represented. 

 Fig. 5. Lejtridosiren paradom during respiration on the surface. 



PLATE XXXVIII. 



Figs. 6-13. Evolutions of the living Lepidosiren paradoxa in a small aquarium (from 

 instantaneous photographs taken by myself). Figs. 6 and 7 show the 

 Dipnoan in the act of respiration on the surface. 



