SrFPrerregawWwese aasse 
Fewkes.] 324 [November 5, 
same thing as the somatocyst. I have not found a like comparison 
made by others. 
EXPLANATION OF PLATE 38. 
Fig. 1. Abyla pentagona. 
Fig. 2. Nectocalyx of Apolemia waria. 
Fig. 8. Superior nectocalyx of Epibulia awrantiaca. 
This drawing represents the course of the tubes in the superior side. 
Fig. 4. Superior nectocalyx of Epibulia aurantiaca, 
This figure is a view from the right side. 
Fig. 5.° Inferior nectocalyx of Epibulia aurantiaca. 
A representation from the left side. 
Fig. 6. Inferior nectocalyx of Epibulia aurantiaca. 
Seen from the inferior side. 
Figs. 3, 5, 6, in order to avoid a complicated figure, show only the tubes on the 
side towards the observer. 
For the same purpose also the tract, polyp, tentacle, etc., are not shown on the 
stem of Abyla near where it leaves the longitudinal canal. 
Fig. 2 is double the natural size of the specimen drawn. 
Figs. 1, 3, 4, 5, 6, are four times the natural size. 
a. Lateral chymiferous tubes. 
Superior tubes. 
Lateral chymiferous vessel. 
Branched tube peculiar to Abyla. 
Origin of the same. 
Inferior tubes. 
Secondary portion after division. 
Connection of radial vessels with stem cavity. 
Enlargement at junction of radial and circular tubes. 
Secondary vessel from the enlargement g. 
Somatocyst. 
Circular vessel. 
Appendages to the lateral tubes which are in 
Connecting branches. 
Protecting plate. 
Circular lappets, used to direct the animal in swimming. 
