212 SMITHSONIAN MISCELLANIiOUS COLLECTIONS \()I,. 52 



Genus ZYGOMETRA A. H. Clark 

 ZYGOMETRA ELEGANS (Bell) 



This species was found at Station No. 5137; off Jolo town; 20 

 fathoms; and at Station No. 5138; between Jolo and Pangasinan 

 Island; 19 fathoms. 



Family HIAIEROMETRIDiE 



Genus PONTIOMETRA A. H. Clark 



PONTIOMETRA ANDERSONI (P. H. Carpenter) 



One magnificent specimen was secured at Station No. 5146; west 

 of Tapul Island (south of Jolo) ; 24 fathoms. 



Genus HIMEROMETRA A. H. Clark 



HIMEROMETRA BARTSCHI, new species 



Centro-dorsal thick, discoidal, with a rather strongly concave polar 

 area ; cirri arranged in two and a partial third crowded, more or less 

 alternating, rows. 



Cirri xxx, 41-43, long, rather more than one-third the length of 

 the arms, moderately stout; first five joints about twice as broad as 

 long, the following gradually increasing in length to the ninth or 

 tenth, which is squarish ; after about the sixteenth they gradually 

 decrease in length, the terminal joints being about twice as broad as 

 long; after the seventeenth joint small but prominent dorsal spines 

 are developed ; opposing spine centrally situated, rather slender, 

 reaching about half the diameter of the penultimate joint in height; 

 terminal claw considerably longer than the penultimate joint, slen- 

 der, moderately curved. 



Radials approximately even with the edge of the centro-dorsal ; 

 first costals short, united for their entire length ; division series and, 

 brachials as in H. crassipinna. 



Distichal and palmar pinnules 25 mm. long, very stout basally, 

 but tapering gradually to a slender and delicate tip, with about 40 

 squarish joints; first brachial pinnule 15 mm. to 17 mm. long, pro- 

 portionately more slender than those preceding, with about 32 joints, 

 slightly longer than broad, the first two of which are slightly cari- 

 nate ; second brachial pinnule smaller and more slender, 13 mm. 

 long, with 30 joints, the first short, the next three or four squarish, 



