NO. 12 



SMITHSONIAN EXPLORATIONS, IQT/ 



Fig. 8.— (About four-fifths natural size.) A large, beautifully preserved 

 crustacean (Hcliiictia cxpansa. new genus and species Walcott) with a thin, 

 semitransparent shell through which parts of the various appendages 

 beneath the body may be seen. The two large eyes are finely shown on the 

 rounded segment of the front of the head. 



