Platk SS. 



Fic. J. (^uinqiiclociilind (ipii-ula. X 18. D523G. a, side view; 6, opjOTsite side 

 c, ai)ertiiral \i('\v. 



2. QuinquelocuUna (ipiculu. X 18. D52:'>(i. Outline of s])('cini('7i willi the 



spine greatly developed. 



3. QuinquelocuUna procera. X 12. D52:'>(). a, side view; h. ()])po.site side; 



r. a})ertural view. 



4. QuinquelocuUna seminuluin. X 24. a, side view; /;, opposite side: c, 



apertural view. 

 1821.52—21 43 -,77 



