xu 



SYSTEMATIC INDEX. 



II. Midas, Geoffr 



1. rosalia (Linn.) ... 



2. geoffroyi (Pucher.) 



3. oedipus (Linn.) ... 



4. labiatus, Geoffr.... 



5. rufiventer, Gray... 

 o. mystax, Spix 

 )8. pileatus, Is. Geoffr. 



6. weddelli, Deville 



7. nigrifrons, Geoffr. 



8. fuscicollis, Spix ... 



9. chrysopygus (Wagner) 



10. nigiicollis, Spix 



11. illigeri (Pucher.)... 



12. bicolor, Spix 



13. midas (Linn.) 



14. ursulus, Geoffr. ... 

 FAMILY II. CEBID.E 

 SUB-FAMILY I. NYCTIPITHECIN^ 



I. Chrysothrix, Kaup ... 



1. usta (Is. Geoffr.) 



2. entomophaga (d'Orb.) 



3. sciurea (Linn,) ... 



4. oerstedi, Reinh. ... 



II. Callithrix, Geoffr. ... 



1. torquata (Hofifm.) 



2. cuprea, Spix 



3. amicta (Humb.) ... 



4. cinerascens, Spix 



5. moloch (Hoffm.)... 



6. ornata, Gray 



7. personata, Geoffr. 



8. nigrifrons, Spix ... 



9. castaneiventris, Gray 



10. luelanochir, Neuwied 



11. gigot, Spix 



III. Nyctipithecus, Spix 



1. trivirgatus (Humb.) 



2. lerauriuus, Is. Geoffr. 



