450 



MR. F. E. BEDDARD ON HAPALEMUR GRISEUS. [June 16, 



overlooked it, if it was really conspicuous. The gland which I 

 referred to in my former paper lies beneath the pad. 



Some months ago I dissected a smaller specimen of Hapalemur 

 yriseus than the one described in the present paper, and foimd the 

 " arm-gland " and the patch of spines covering it to be very small 

 and inconspicuous ; the genital organs of that individual were also 

 very small, which is some evidence for regarding the arm-gland and 

 its appurtenances as being a secondary sexual character, and not of 

 any direct use to the animal {e. g. as a " climbing-organ "). 



Fig. 1. 



Lower surftice of hand of Hapalemur griscus. 

 A, callous pad overlying arm-gland ; B, patch of spinea ; C, tuft of long hair. 



I called attention in my former paper to the unusual position of 

 the nipples, which were subsequently figured by Mr. Sutton. They 

 have the same position in the specimen before me, and the mammary 

 glands themselves, as previously, are comparatively largely developed. 

 It is quite credible tliat they might be actually functional. 



A point of some little interest in the structure of Hapalemur is 

 the presence of " Peyer's patches " in the large intestine. I had 



