d34 A HISTORY OF RECENT CRUSTACEA 
nean svecies of sessile-eyed Crustaceans. Hisothistos, ‘the 
thrust-in one, has for its type-species Hisothistos vermi- 
formis, Haswell, obtained from about low-water mark at 
if ghiillas: 6 
ge 
gETr i 
“ \ 
A \ 
se 
ae { 
Fic. 28.—£isothistos vermiformis, Haswell, Fic. 29.—E£isothistos vermiformis, Haswell, 
the mele [Haswell]. the female [Haswell]. 
Watson’s Bay in Australia. It is not a little remarkable 
for the shape assumed by the male, but still more for the 
habitation which it adopts. It occupies the tube of a 
Vermilia, one of the Serpulide, and with the policy of the 
wolf in the story of ‘ Little Red Ridinghood,’ it not only 
