PLATE IV; 



.W (^ 



a, Cortical (or va^cidarJ porrion : b, Med uUa.ry { or tubular) portion 

 c, Peripheral portion of the latter; d.JnterioroftyiepelvM; d.',d-', 

 Arms ofthe' peivLs; ey, Border of the crest; f.Infiindihiilumi g.rrelfr. 



Geo.Manc.del.after D.Arb<ATa.p.669. 



JULIUS BIEN t CO N1 



LONGITUDINAL SECTIOX THROUGH KIDNEY. 



