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long ; the testes were oval, and as large as sparrows' eggs, being 4 of 

 an inch in length, in breadth 1 an inch, in thickness 3 lines; the 

 epididymis, 3 lines in length, was somewhat club-shaped; the cre- 

 master muscle was very strong ; the length of the cord to the ab- 

 dominal ring was -i of an inch ; the total length of the vasa deferen- 

 tia, H inch ; they terminated internally at the root of the vesiadce 

 seminales, that is, between them and the bladder; the vesiculce 

 seminales were small and tubular, with a turn at the extremity ; 

 from their entrance to the bulb of the urethra -j- an inch. 



" Being desirous to ascertain whether the arteries of the extre- 

 mities manifested any approximation in their arrangement to what 

 obtains in the Lor is gracilis, Geoffr., and the Sloth, Bradypus tridac- 

 tylus, Linn., I injected the subclavian and femoral with mercury. 

 The distribution was found to be similar to that of other Quadru- 

 mana, and without the slightest approach to the plexiform condition 

 which was observed in the Loris. The arterial trunks were in fact 

 simple, giving off muscular branches in the usual manner, as they 

 proceeded. 



" The muscles of the limbs, and especially those of the thighs, 

 were remarkably large and firm, conveying an idea of far greater 

 strength than would be suspected in so small and delicate an ani- 

 mal." 



