Figure 47. Larvae of Doliolum Nordmanni . 



A — Larva up to transformation: a — larval 

 membrane; b— young doliolum; e, f — posterior 

 and anterior opening; d — axis of the tail; 

 B — larva of doliolum in the beginning of 

 transformation: a, d, e, f — as in A; 

 c — "vesicular appendix; g— wall of the 

 respiratory cavity; h — -digestive tract; 

 k — stomach; 1 — intestine; m — heart; n— ventral 

 fissure; o — nervous ganglion with outgoing nerves; 

 p—— the third from back muscular strand, penetrat- 

 ing the rudiment of the stolon (q) (by Krohn) . 



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