483 



butialo, dog, horse, sheep, pig, monkey, baboon demonstrate beyond 

 doubt that all mammals possess ureteral dilatations and constrictions 

 which are, I think, heritages from the Wolffian body enhanced by 

 environments as erect attitude, Nr. 128 (right), 129 (left) man, middle 

 age. Calyces (7, 1) amputated. Pelvis (2, 2) fairly well developed 

 of the round type. Proximal ureteral isthmus (.V, 3) well marked 



especially on the left (129). Lumbar spindle (i, 4) distinctly marked 

 on both sides particularly on the right, double on the left. Middle 

 isthmus (.5, 5) well marked bilaterally. Pelvic spindle (6^, 6) marked, 

 two on right (128). Distal isthmus (7, 7) is larger than the left proximal 

 isthmus (5, 3) in 129. Left ureter (129), ^/^th inch longer than right 

 (128). Nr. 130 (right), 131 (left) man, aged 36. The pair of ureters 

 divide dichotomously in the pelvis (22). Calyces (7, 1). The right 



31* 



