Contents 



Page 



Lines and Methods of Evolution in some Characid Fishes 4 



The Glandulocaiidinae, a new Subfamily of Characid Fishes with 

 Innate Potentialities for Sexual Dimorphism 16 



On the Resemblance between the Faunas of Transandean Colombia 

 and Southeastern Tropical America 27 



New Genera and Species of South American Fishes 28 



Editor's Note— Issued April 25, 1914. 



