34 BtFLLETIN 82, UNITED STATES NATIONAL MUSEXTM 



Cosmiometm, gen. nov. (genotype Thalassometra komachi A. H. Clark, 1908), 

 including 



Cosmiometra crassicirra. Cosmiometra komachi. 



Cosmiometra delicata. Cosmiometra woodmasoni. 



The following species are unplaced : 



Antedon duplex. Antedon lusitanica. 



Antedon fiava. Antedon magnicirra. 



Antedon incerta. Antedon porreda. 



Antedon latipinna. Antedon valida. 



The possibility that the recently described Antedon adriani Bell is a member of 

 this subfamily is mentioned, though it is stated that there are grounds for believing 

 it to be a member of the Tropiometridae. 



The following genera and species are assigned to the Charitometrinae: 



Poecilometra, including 



Poecilometra acoela. Poecilometra scalaris. 



Glyptometra, gen. nov. (genotype Antedon tuberosa P. H. Carpenter, 1888), 

 including 



Glyptometra lata. Glyptometra lateralis. 



Glyptometra tuberosa. 



Strotometra, gen. nov. (genotype Antedon hepburniana A. H. Clark, 1907), 

 including 



Strotometra hepburniana. Strotometra parvipinna. 



Charitometra, including 



Charitometra basicurva. Charitometra incisa. 



Pachylometra, gen. nov. (genotype Antedon distincta P. H. Carpenter, 1888), 

 including 



Pachylometra angusticalyx. Pachylometra patula. 



Pachylometra distincta. Pachylometra robusta. 



Pachylometra flexilis. Pachylometra sclateri. 



Pachylometra inaequalis. Pachylometra smithi. 



Chlorometra, subgen. nov. (genotype Antedon garrettiana A. H. Clark, 1907), 

 including 



Chlorometra aculeata. Chlorometra garrettiana. 



Crinometra, subgen. nov. (genotype Comatula brevipinna Pourtales, 1 868), nicluding 

 Pachylometra brevipinna. Pachylometra imbricata. 



