124 NATHAN FASTEN. 



EXPLANATION OF I LATE I. 



1. Male Salmincola beani Wilson, attached to middle of the abdomen of a 

 mature female. The reproductive organs (r) can be distinctly seen. X 65. 



2. An enlarged photograph of the reproductive organs of the male seen in Kig. i. 

 /, testis; v, vasa oeferens; o, spermatophore; e, ejaculatory pore. X 183. 



3. Male Salmincola beani Wilson in position near the genital pores of the female. 

 X 65. 



4. Male Salmincola edwardsii (Olsson) Wilson attached to genital region of 

 female. X 65. 



