NO. 5 MAMMALS OF PANAMA GOLDMAN 247 



PLATE 21 

 [Natural size; all in U. S. Nat. Mus., Biological Survey collection.] 



Figs, i, la. Peramys melon ops Goldman. Type. Cana, Panama. May 23, 1912. 

 6 (179609). 



2, 2o. Marmosa invicta Goldman. Type. Cana, Panama. March 14, 1912. 



c? (178708). 



3, 3a. Marmosa mexicana isthmica Goldman. Type. Rio Indio, near 



Gatun, Panama. February 16, 191 1. <$ (170969). 



