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Psyche 
[December 
than the anterior ones. The meso- and metathoracic segments are 
large and about square. The fore legs are short and unmodified; 
two tarsal segments are visible but more were undoubtedly present. 
The hind legs are much longer, the femur being long and quite 
thick. The abdomen shows seven normal segments; the remaining 
ones are apparently modified to form a complex of small sclerites 
and processes. Clearly identifiable are the two short cerci, consisting 
of about five segments. Two conspicuous lateral sclerites are also 
discernible, although these are not seen in the same position, since 
one is much larger than the other; they appear to be derived from 
the eighth segment. Between the latter plates are a pair of short, 
