1880.] 



MR. W. A. FORBES ON THE UAKARI MONKEYS. 



G37 



a very marked, subtriangular, inwardly directed process at its antero- 

 internal angle, whicli is not seen in the other genus. 



The pancreas is fairly compact, and is, at its greatest extent, 

 3 inches long ; its duct opens, with that of the bile-duct, | inch from 

 the pylorus. About j an inch from the common aperture of these 

 in the duodenum is a smaller opening, apparently that of a secon- 

 dary pancreatic duct. 



Fig. 4. 



V.C. 



The same, from helow. 

 B.C. Eight central lobe. L.C. Left central lobe. B.L. Eight lateral lobe. 

 L.L. Left lateral lobe. C. Cnudate lobe. .%). Spigelian lobe. «./. Um- 

 bilical figsure. r./.f, l.I.f. Eight and left lateraf fissures. G.B. Gall- 

 bladder. V.V. Vena portcs. V.H. Hepatic vein. V.C. Vena cava in- 

 ferior. .=./. Suspensory ligament. I.r. Ligamenfum rotundum. 



The spleen is elongated and flattened, and attached to the left of 

 the greater curvature of the stomach ; it is of a red colour, and 

 2 1 inches long. 



The great vessels arc given off as in Man and the other Primates. 

 The external and internal iliacs are given off from a common trunk ; 

 the caudal artery is small. 



The lungs have two lobes on the left, and three on the right side ^ 



^ In a 2 Pithecia safaims the right lobe was only two-lobed, the extra superior 

 lobe being only indicated and not cut off. 



