25O SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 69 



PLATE 24 



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



Figs, i, la. Oryzomys (Oryzomys) alfaroi dariensis Goldman. Type. Cana, 

 Panama. March 4, 191 2. $(178660). 



2, 2a. Oryzomys (Oryzomys) gatunensis Goldman. Type. Gatun, Canal 



Zone, Panama. March 7, 1911. c? (171034). 



3, 3a. Oryzomys (Oryzomys) bombycinus bombycinus Goldman. Type. 



Cerro Azul, near head Chagres River, Panama. March 26, 191 1. 



6 (171105). 



4, 4a. Oryzomys (Melanomys) caliginosus idoneus Goldman. Type. Cerro 



Azul, near head Chagres River, Panama. March 26, 191 1. 

 $(171106). 



5, 50. Oryzomys (Oryzomys) pirrensis Goldman. Mount Pirre, near head 



River Limon, Panama. April 29, 1912. <$ adult (178993). 



6, 6a. Oryzomys (Oryzomys) tectus frontalis Goldman. Type. Corozal, 



Canal Zone, Panama. June 20, 1911. o* adult (I7I53 1 )- 



