U S. NATIONAL MUSEUM 



PROCEEDINGS VOL 81, ART. 17 PL. 1 



0-smm. 



o-smm. 



o-5/nm. 



1, Poiystoma ttrrapcnifi, ventral view; 2, Mcsocoiliii in nini ih-iuiinn, ventral view, .somewhat 

 flattened; 3, /irdchi/coeliiim storeriac, ventral view; 4, li. iiicridUnKitia, dorsal view; 5. li. dm'iesi, 

 ventral view; (\, (,'lyp/lielmins Kuhlropica, ventral view with vitellaria drawn in; 7, Haemaloloc- 

 cliiix Jhieddi , (Inrs'il view 



