276 C. L. TURNER. 



PLATE II. 



FIG. 7. Left first abdominal appendage of normal male. X 7-5- 



FIG. 8. Left first abdominal appendage of normal female. X 7-5- 



FIG. 9. Left first abdominal appendage of specimen number 9. X 7-5- 



FIG. 10. Left first abdominal appendage of specimens I to 5. X 7-5- 



FIG. ii. Left first abdominal appendage of specimen number 8. < 7.5. 



FIG. 12. Right second abdominal appendage of normal female. X 7-5- 



FIG. 13. Right second abdominal appendage of normal male. X 7-5- 



FIG. 14. Right second abdominal appendage of specimens number 8 and 



number 10. X 7.5. 



