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PROF. G. ELLIOT SMITH ON THE 



Fig. Z. 



Fig. 1.- — Lemur macaco. The dorsal aspect of the brain. Nat. size. 

 Fig. 2. — Lemur fulms. The dorsal aspect of the brain. Nat. size. 

 Fig. 3. — Lemur varivs. The dorsal aspect of the brain. Nat. size. 



NorF.. — The differences in the shape and the extent of cerebral overlap of the cerebellum in figs. 1, 2, and ;j are 

 probab!}' merely individual variations and have no specific value. 



For the siguiBcance of the reference-letters see below ; the meaning of the letters d, c, and /' is explained in thy 



text *. 



* List of 

 JSulcu.-; ansatus — sa. 

 ,, calcarinus — sc. 

 „ centralis — see. 

 ,, coroualis. — seo. 

 ,, cruciatus — scr. 



diagoualis — sd. 



ectosylvius anterior — sea. 

 „ „ posterior — seji. 



,, genualis — sg. 

 ,, intercalaris — si. 

 ,, lateralis — si. 

 J, orbitalis — so. 

 ,. paracalcarinus — spc. 

 ,, postlateralis — sjd. 

 „ postsylvius — sj). 



Refeeexce-lettees ts the Diagrams. 



Sulcus pseudosylvius — S2is, 

 „ rectus- — sr. 

 „ retrocalcarinus — srs 

 „ suprasylvius — s«. 

 Fissura hippocampi — jh. 

 „ rhinalis — fr. 

 „ prima — fp. 

 „ secunda — /'«. 

 Bulbus olfactorius — bo. 

 Calcar avis — eal. 

 Cerebellum — c. 

 Claustrum — cl. 

 Commissura anterior — en. 

 Copula pyramidale — cop. 

 Corpus caUosum — cc. 



