256 ' Mr. A. J. Hesse on the 
When viewed from the top the head resembled a cross, 
with the groups of hooks on the four corners. | 
The head was followed by a thin neck, the length of which 
varied in the two specimens. In one it was 2 mm. in length, 
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in the other it was shorter. Posterior to the neck followed 
a string of long, round, and thin segments resembling fine 
sewing-cotton. This stretch of segments was about 2° cm. 
long in one specimen. Still more posteriorly the segments 
broadened out—however, nowhere more than 2 mm, (fig. 2). 
