U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 81. ART. 12 PL. 6 



NEW Species of Rhabdocalyptus, Bathydorus. staurocalyptus, and 



HYALASCUS 



1, Rhnbdocniypliis bidriitaliis: 2, Bathtidoriis a species; 3, Rhabdocalyptus borealis: 4, Siatirocalyptus 

 ruiincritciatus: ."i, llyalascus aitenuatus: 6, Rhabdocalyptus heteraster. All about natural size e.xeept 

 2, which is X 3. 



