CHROMODORIS ZEBRA HEILPRIN 



627 



Fig. 2 Digestive and renal systems with the intestine displaced; gra., stomach; 

 gl.sal., salivary gland; iglv., crop; in., intestine; oes., oesophagus; phx., buccal 

 mass; ren., kidney; ren.-pi'cr.dt., reno-pericardial duct; urL, ureter. 



Fig. 3 Pleural teeth, showing the successive steps in loss of denticles from a to 

 g, also the arrangement of the teeth in relation to each other. 



