418 PHYSIOLOGICAL SERIES. 



D. 614. The brain of a Lesser White-nosed Guenon (Cercopitliecus 

 inrlsta) : the left hemisphere has been detached. 



0. C. 1338 E a b. 



D. 615. The brain of a Cercopithecus (sp.) : the left hemisphere 

 has been detached. 0. 0. 1338 E b. 



D. 616. The brain of a Gri vet Monkey (Cercopithecus sabceus), ( $ ) : 

 the left hemisphere has been separated from the rest of the 

 brain. 0. C. 1338 E/. 



Presented by C. E. Flower, Esq. 



D. 617. The brain of a Gri vet Monkey (Cercopithecus W*r//x), 

 (?). O.C. 1338 E^. 



D. 618. The brain of a Vervet Guenon (Cercopitliecus lalandii] : 

 the left hemisphere has been detached from the remainder 

 of the encephalon. 



The Sylvian fissure does not join the parallel in the left 

 hemisphere, and only does so very superficially in the ri^lit 

 hemisphere. 0. C. 1338 E h. 



D. 619. The brain of a Patas Guenon (Cercopithecus ruber), ($ ): 

 the left hemisphere has been detached. 



The orbital surface of the left hemisphere bears three 

 sagittally-directed sulci, the outermost being represented by 

 a depression only, in the right hemisphere. 0. C. 1338 EI. 



D. 620. Brain of the Hocheur Guenon (Cercopithecus nictitans). 

 The left hemisphere has been detached. 0. (<. 13.')* r n, 



D. 621. The brain of a Campbell's Guenon (Cercopithecus 

 campbelli), ( d ) . 



Notice a deep sagittally-directed sulcus on the occipital 

 lobe. 0. C. 1338E*. 



D. 622. The brain of a Green Guenon (Cercopithecus calli- 

 ti-ic.kua), ($). 



The left hemisphere has been detached from the re- 

 mainder of the encephalon. 0. C. 1338 E I. 



D. 623. The brain of a Malbrouck Guenon ( Cercopitliecus cynosurm) : 

 the left hemisphere has been detached. 0. 0. 1338 EO. 



