EXPLANATION OF PLATE. 



CRUSTACEA. 



PLATE XLV. 



Fig. 1. — Ptychogaster investigations, Alcock and Anderson, 

 Annals and Magazine of Natural History, January 1899, p. 24. 



Figs. 2 9 2a. — Ptychogaster Hendersoni, Alcock and Anderson, 

 torn, cit., p. 23. 



Figs. 3, 3a. — Uroptychus bacillimanus, Alcock and Anderson, 

 torn, cit., p. 25. 



