277 



25. M. pronator radii, 0*03 oz. 



Origin ; from the inner condyle of the humerus. 

 Insertion ; into the whole length of the radius. 



26. M. flexor carpi ulnaris, 0-03 oz. 



Origin ; from the inner condyle. 



Insertion ; into the outer carpal bone, articulating with the ulna. 



27. M.palmaris(?), 0-01 oz. 



Origin ; from the inner condyle. 



Insertion ; into the tendon of the flexor digitorum communis in the 

 centre of the palm. Its force is expended on the index and 

 middle fingers. 



28. M. flexor digitorum communis, . 0*03 oz. 



Origin ; from the whole inner surface of the ulna. 

 Insertion ; into the ungual phalanges of the thumb, index, and 

 middle fingers. 



There are, in addition, short flexors in the palm, terminating in the 

 metacarpal ends of the phalanges at each side, allowing the tendon of 

 the long flexor to pass through. 



The ring and little fingers seem to be flexed altogether by these 

 palmar tendons. 



TheEev. Samuel Ha ughton, M. D., Fellow of Trinity College, Dub- 

 lin, also read the following paper : — 



Notes on Animal Mechanics. 



No. VII. — On the Muscular Anatomy of the Macacus nemestrinus. 



The first monkey which I shall describe in this Note was a very fine 

 specimen of Macacus nemestrinus, which died, after a short illness, in 

 January of the present year, of tubercular disease affecting the liver, 

 spleen, and other organs. He had previously suffered from rheumatic 

 arthritis of both knee joints, which had destroyed the anterior surfaces 

 of the outer condyles of the femur, and so caused dislocation of both 

 patellas outwards. 



On examination after death, the following observations were made: — 



1. Lungs ; both filled with miliary tubercle. 



2. Heart ; exhibited two specks of tubercle, similar to those met with 



in the lungs. 



3. Liver ; divided into five lobes, of which four were filled with tu- 



bercular nodules, and the fifth was wholly converted into a cheesy 

 tuberculous mass. 



4. Spleen ; contained several large nodules of softened tubercle. 



5. Glands ; of mesentery, united into one tubercular mass; of thoracic 



spinal region, somewhat affected ; of lumbar region, healthy. 

 Weight of dead body, 26 lbs. 



R. I. A. PROC. VOL. IX. 2 P 



