DISCOVERY REPORTS "VOL. XJX 



PLA 



Fig. 7. Photorriramgraphof section-thro 

 in maxillu 



Photomicrograph o 

 hepam valve. 



f section rhf 



GIGANTOCYPRIS 



All lections stained with Chlora:ol Klatk Nerte nni stained Borax Carmim 

 The us; of a lens is recommended for the examination of details in the plate 



