360 



PHYSIOLOGICAL SERIES. 



Kg. 207. (Nat. size.) 



SULC. SURRAS 

 \ 



SULC. LAT. 



OLF.BULB. 



RHIN.F.POST RHIN.F.ANT. 



D. 532. The brain of an Aye-aye (Daubentoma \_Chiromy s~\ 

 ma dagascariensis) , split in the mesial plane and the left 

 cerebral hemisphere separated from its half of the brain- 

 stem (figs. 208 and 209). 



Fig 208. (Nat size.) 



SULC. LAT. 



SULC.SUPRAS 



SULC. R SYL . 



SULC.PSEUDO.SYL. 



Fig. 209. (Nat. size.) 



SULC. INTERCAL. 



CORP. CALL . 



SULL CALC 



SULC. GEN 



.-- 



OLF. BULB. 



The characters of these two brains indicate the wide sepa- 

 ration of the Aye-aye and the true Lemurs ; and yet, hi^lilv 



