632 THE AMERICAN NATURALIST. [Vor. XXXIV. 
EXPLANATION OF PLATE II (Continued). 
da : 4 ms r irregular position of spines. 
Fic. 17. Normal, 12d. sv. 
Fic. 18. e position of spines, 12d. 6v. (not in table ; found later). 
Fic. 19. Norma . 4v. 
Fic. 20. Some sere reduced, 6d. 5v. 
Fic. 21. Some spines reduced, 7d, Iv 
Fic. 22. Some spines missing, 5d. 3v. tibus slly small). 
Fics. 23-27. Malformed female rostra. 
Fic. 23. 8d. 3v 
Fic. 24. 8d. 3v. 
Fic. 25. 7d. 3v. 
Fic. 26. 6d. o(?)v. 
Fic. 27. 4d. ov. 
