182 Proceedings of the Biological Society of Washington. 



Remarks. — The single specimen, which agrees well with examples at 

 hand from Singapore, has thirty-five arms 115 mm. long; the extra axil- 

 laries are all developed exteriorly; the cirri are xxn, 2G-29, 15 mm. In 

 20 mm. long. 



Family COLOBOMETRIDJ3. 

 Oligometra serripinna (P. II. Carpenter). 



Locality. — San Bernardino Strait, hetween Luzon and Samar, Philip- 

 pine Islands (12° 27' N. lat., 124° 03' E. long.); 50-100 fathoms; bottom 

 temperature 61° Fahrenheit. 



Remarks. — One small specimen with arms 37 mm. long was secured at 

 this locality. 



Family THALASSOMETRIDvE. 

 Parametra orion (A. II. Clark). 



Locality.— South of the Goto Islands c;2° 25' X. lat., 128° 52' F. long.) ; 

 124 fathoms; bottom temperature 55° Fahrenheit. 



lit 1 mark*. — The single example from this locality has fifteen arms 125 

 mm. long, and cirri .win 2:1-24, 21 mm. to 23 nun. long. 



Family AXTFlH >XII>.F. 



Subfamily BATHYMETRIN^E. 



Thaumatometra tenuis (A. II. Clark). 



Locality.— OS northeastern Korea (41° 58' X. lat., 130° 30' F. long.);. 

 620 fathoms. 



Remarks. — One small specimen was secured at this locality. 



