Boone. — calamura portere 
29 
outer margin which is heavily ridged, forrüirig an L-sha- 
ped blade, the inner blade is nearl}^ as long as the outer 
and much wider, it is elongate-ovate, decidedly convex- 
eoiicave and has posterior margin widely presenting a 
bih)bed aspect, and the lateral margins creuulate. The 
inner blades arch over the telson but do not meet an 
aperture equally as wide as the basal area of one of the 
blades se[)arates them on the median dorsal surface at the 
base and this aperture widens slightly distally. Both 
Fig", 1. — Calamura Porteri: Í, side view telson 
'J, side view iiropoda 
branches of the uropoda are heavilly fringed with long 
tufts along the margin and are so dense that they overlap 
and hide the telson dorsally. 
Uropoda (Female), — The uropoda of the female are 
the same as the male in the general sculpturing of the 
various parts but appear quite different as the uropoda of 
the female are directed obliqualy outward creating a fan- 
shaped aspect, while in the male they are directed nearly 
straight back. The feinale is much shorter than the male 
