254 



THE VASCULAR SYSTEM. 



Fijî. 169 '. 



septum. In it 

 the M. cutaneva 

 iliacus passes 

 from the trunk 

 to the skin. 



(7) The ingui- 

 nal septum [La- 

 mina ingnhialis, 

 Ecker), (Figs. 

 169^ 171, the 

 dotted line near 

 172, 



i5j 



Fig-. 



separates the 

 belly from the 

 thigh ; on the 

 ventral surface 

 it is attached to 

 the erroove which 



The lymph-sacs of Rana 

 escuknta, seen from the 

 dorsal surface. 



I Dorsal lymph-sac. 

 3 Lateral lymph-sac. 

 7 Brachio-radial lymph- 

 sac. 

 9 Femoral lymph-sac. 



10 Suprafemoral lymph- 



sac. 



11 Interfemoral lymph- 



sac. 



12 Crural lymph-sac. 



13 Dorsal lymph-sac of 



the foot. 



14 Plantar lymph-sac of 



the foot. 



15 Iliac lymph-sac. 

 (( Ventral septum. 

 (/ Dorsal sejitum. 



/' Superior femoral sep- 

 tum. 



/'"' Intermediate femoral 

 septum . 



i Inguinal septum. 



.V Posterior brachial sep- 

 tum. 



.v'" Anterior brachio-ra- 

 dial septum . 



V Vocal sac. 



' In Figs. 168, 169, and 170 the dotted lines denote the boundaries of the various 

 lymph-sacs. 



