120 
Rowland M. Shelley 
/ 
Figs. 12-15. O. anura, neotype. 12, telson and caudal tergites, dorsal view. 
13, right anterior gonopod and sternum, anterior view. 14, left anterior gonopod, 
caudal view. 15, ultimate podomeres of posterior gonopods, caudal view. 
Scaleline for fig. 12 = 1.00 mm; line for other figs. = 0.25 mm for each. 
lobe of latter short, broad, and upright, apically linear, not overlapping 
distal podomeres; dorsal branch of ultimate podomere short and broad, 
apically blunt, curved slightly ventrad and directed submediad; ventral 
lobe of ultimate podomere distinct, clearly overhanging dorsal branch; 
ultimate podomere of posterior gonopod narrowing apically, lightly 
hirsute (Figs. 12-15). 
Variation — Males with seemingly mature gonopods have from 
16 to 40 segments and vary in length from 3.4 to 13.3 mm, the latter, 
a specimen with 38 segments, being slightly longer than that with 
