PROC. U.S. NAT. MUS. VOL. 123 



BOWMAN AND KORN ICKER— PLATE 1 



Parasterope pollex Kornicker: a, ovigerous female, lateral; b, parasitized adult female, lat- 

 eral; c, eggs. Sphaeronellopsis monothrix, ovisacs, showing 3 developmental stages: d, 

 round eggs; e, pyriform eggs;/, copepodids. (a, b: 34 X; c-f: 44. .) 



