Bull. U. S. B. F. , 1909. 
Plate XXXIX. 
Fig. 1 . 
Fig. ia. 
Fig. 3. 
Fig. 6. 
Figs, i and ia. — Left first pleopod of female and male respectively, in the former representing a rudimentary endopodite, and 
in the latter a styliform process modified for copulation 
Fig. 2 and 2a. — Left second swimmeret of female and male lobster, respectively, the endopodite in the latter bearing a short spur. 
Fig. 3. — Left third swimmeret, showing swimming setae (ss), and long, nonplumose hairs, modified for bearing the eggs, and 
distributed in 7 groups, marked a g. 
Fig. 4. — Left fourth swimmeret from egg-bearing female of approximately the same size as represented in preceding figure, and 
drawn to same scale. Hair clusters a, b, c, and d catch the greatest number of eggs. 
Fig. 5. — Left fifth swimmeret of series 1-3. 
Fig. 6. — Left uropod, or modified swimmeret of tail fan, seen from the under or anterior side, in position corresponding to that of 
preceding, showing 2-jointed exopodite (Ex) and marginal fringe. 
Fig. 7. — The same appendage reversed, and seen from the upper side. 
