Xil SYSTEMATIC INDEX. 
II. MIDAs, Geoffr.... 
I. rosalia (Linn.) 
2. geoffroyi (Pucher.) 
3. oedipus (Linn.) ... 
4. labiatus, Geoffr.... 
5. rufiventer, Gray... 
a. mystax, Spix 
B. pileatus, Is. Geoffr. ... 
6. weddelli, Deville 
7. nigrifrons, Geoffr, 
8. fuscicollis, Spix ... 
9. chrysopygus (Wagner) ... 
10, nigricollis, Spix 
11, illigeri (Pucher.)... 
12. bicolor, Spix 
3. midas (Linn.) 
14. ursulus, Geoffr. ... 
FAMILY II. CEBID 
SUB-FAMILY I. NYCTIPITHECIN/® 
I, CHRYSOTHRIX, Kaup ... 
I. usta (Is, Geoffr.) 
2, entomophaga (d’Orb.) ... 
3. sciurea (Linn.) ... 
4. cerstedi, Reinh. ... 
Il, CALLiruRix, Geofir. .., 
I. torquata (Hoff. ) 
. cuprea, Spix 
. amicta (Humb.)... 
. cinerascens, Spix 
. moloch (Hoffm.)... 
. ornata, Gray 
. personata, Geoffr. 
. nigrifrons, Spix .. 
9. castaneiventris, Gray 
10. melanochir, Neuwied 
II. gigot, Spix 
III. NycTiPpITHEcus, Spix 
I. trivirgatus (Humb.) 
2. lemurinus, Is. Geoftr. 
CN AM PWN 
