286 Bulletin American Museum of Natural History. [Vol. XXXIV. 
EXPLANATION OF PLATES VII-XIV. 
Puate VII. 
All figures nat. size. 
Figs. 1-3. Nannosciurus whiteheadi Thomas. No. 32628, Am. Mus., 9 ad., 
Sarawak, Borneo. 
Figs. 4-6. Microsciurus similis similis (Nelson). No. 32499, Am. Mus., 
2 ad., Cocal, Western Andes, Colombia. 
Figs. 7,8. Leptosciurus pucheranit pucherani (Fitzinger). No. 34681, Am. 
Mus., o ad., near Bogotdé, Colombia. : 
Figs. 10-12. Leptosciurus ignitus irroratus (Gray). No. 16560, Am. Mus., 9 
ad., Inca Mines, Peru. 
Figs. 13-14. Leptosciurus leucogaster (Gray). Collector’s No. 448, Carnegie 
Mus., Pittsburgh, 9 ad., Prov. del Sara, Bolivia. 
Puiate VIII. 
All figures nat. size, 
Figs. 1-3. Mesosciurus hoffmanni hoffmanni (Peters). No. 18089, Amer. Mus... 
o ad., Mt. Irazi, Costa Rica. 
Figs. 4,5. Mesosciurus gerrardi gerrardi (Gray). No. 34130, Am. Mus., ? ad., 
Bagado, Colombia. 
Figs. 7,8. Mesosciurus saltuensis bonde (Allen). No. 15230, Am. Mus., 2 ad.,. 
Minca, Santa Marta, Colombia. 
Figs. 9,10. Mesosciurus gerrardi milleri (Allen). No. 32512, Am. Mus., 9 ad., 
Cocal, Western Andes, Colombia. | 
PuatTe IX. 
All figures nat. size. 
Figs. 1-3. Notosciurus rhoadsi Allen. Type. No. 12725, Mus. Acad. Nat. Sci. 
Philadelphia, # juv., Pagama Forest, Chunchi, Ecuador. 
Figs. 4-6. Guerlinguetus estuans estuans (Linné). No. 36492, Am. Mus., 
cf ad. Bonasica, Essequibo River, British Guiana. 
Fig. 8. Guerlinguetus estuans gilvigularis (Wagner). No. 12297, Mus. Comp. 
Zoodl., # ad., Obidos, Brazil. | 
Figs. 9, 10. Guerlinguetus ingrami (Thomas). No. 36488, Am. Mus., ad., 
Alambary, Sio0 Paulo, Brazil. 
