32 
Fig. 25: right foot of second pair of the same specimen, from below. En- 
larged as Figs. 23—24. 
— 26: right foot of third pair of the same specimen, from below. As 
Figs. 23-25. 
— 27: Peroderma bellottii Rich., 9 fwithout egg-strings), inserted into 
the arterial bulb b of the heart of Scopelus glacialis ; v = ven- 
tricle; a = auricle; ar = stem of branchial artery. (“Thor”'s st. 
99,1910). Z. Oc. 1, Obj. a* 10. 
The figures 1, 2, 4 and 5 are drawn by H. V. Westergaard, the 
remaining by the author. 
Literature cited. 
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of Comp. Zool. Harvard. 1865. 
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8. Franz, V. und Stechow, E.: Symbiose zwischen einem Fische und 
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