PLATE CXXIX. 
CYGADELLA: CIRRATA, Ward. 22 cccccosceene pute cess dee 6 etcicirraeeoceeteasiese Pepetewiiareleheaie 403 
No. 500.59 of the Museum of the University of Wyoming. 
Fig. 1. Central longitudinal fracture in same plane as that of Pl. CX XIV. 
Fig. 2. Outer tangential fracture in same plane as that of Pl. CX XV. 
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