The Veins.–The venal arteries are derived direct from the aorta; and the large veins terminate in the ascending large vein. On the right kidney is seeing the super-renal capsule; whilst the left is cut vertically into showing the uriniferous tubes, much convoluted and inosculating with each other.  The ureter is seen arising from the pelvis [...]

But notwithstanding this diversity in form, the general plan constantly kept in view by the Divine Architect has been the central idea of combining lightness with the greatest possible degree of strength.  The bones of the arms and legs are round were triangular, and hollow, thus giving with the same weight a greater degree of [...]