232 COMPARATIVE MORPHOLOGY OF VERTEBRATES. 
i 
Fic. 238.—Scheme of alimentary canal and mesenteries in human embryos, 30 and 50 
mm. long, after Klaatsch. c, cecum; co, colon; d, duodenum; k, kidney; 7, rectum; rd, 
recto-duodenal ligament; r/, recto-lienal ligament; rrd, recto-duodenal recess; s, stomach; 
so, spleen. 
Fic. 239.—Alimentary canal of Hyrax capensis after Flower. c, cecum; d, blind diverticula 
of colon; 7, ileum; 7, rectum; s, stomach; si, small intestine. 
