604 THE AMERICAN NATURALIST.  [Vor. XXXVI. 
The body as it reached my hand had the skin removed, and 
the heads and lower limbs. The external points noticed were 
these: There was a single anus; a single median umbilical 
opening was present; there were two bilaterally placed testes 
located on the wall; they had passed to the surface but no 
scrotum was formed; they were somewhat widely apart (four 
inches?); a penis was not present. There are two complete 
spinal columns, as would be inferred from the presence of two 





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Fic. 3. — Dorsal aspect of the bones of the sacral region. 
tails. They are, however, both considerably modified in and 
behind the lumbar region, as shown in Figs. 3 and 4, which 
are dorsal and ventral views of the osteological preparation of 
that region. Both columns are evidently present; they come 
toward each other and then bend into parallelism, the right 
becoming concave on the right side, and the left on the left 
side. This is brought about by the outside of each vertebra 
being considerably smaller than the inside. The transverse 
processes of the lumbar vertebrz are not much more than half 
as large on the outside of the vertebra as they are on the opposite 

