IO MIDLAND NATURALIST. 
PLATE II. 
Fig. 1. Nocti 
- 
uca miliaris, Sur. as it appears phosphorescent in the dark. 
2. Oblique view of an individual with tentacle facing the observer. 
A. Tentacle, B. Cell wall extending over the tentacle. 
C. Reticular threads of the protoplasm. 
D. Nucleus. 
lev 
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q 
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