612 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



Genus HERMODICE Kinberg. 



HERMODICE DISTINCTA, new species. 



Piute 48. figs. 13-15. 



Type.— Cat. No. L8953, U.S.N.M. Specimen large and well pre- 

 served. Length,' 145 mm.; breadth, 10 mm., with gradual narrow- 

 ing throughout last 10 somites. Number of somites, 91. Body 

 rectangular in section, with dorso- ventral flattening throughout last 

 somites. Dorsal surface dull white, irregularly streaked with bluish 

 gray. Ventral surface dull white with median longitudinal stripe 

 of bluish gray. Anus in last somite, dorsal, surrounded by elevated 

 fold. 



Caruncle (fig. 13) triangular in shape, with apex reaching as far 

 as fourth somite posteriorly. Composed of a central, brownish, ver- 

 tical lamella with broad anterior end between the eyes, and lateral 

 vertical lamellae (10 on each side), paired and decreasing posteriorly. 

 Dorsal two-thirds of lateral lamellae corrugated anteriorly and 

 posteriorly. 



Eyes (fig. 13) four pairs, large, reddish, and provided with lenses. 

 Posterior pair directed dorso-laterally ; anterior pair directed ven- 

 tro-laterally. Median tentacle arising between posterior eyes; some- 

 what more than half as long as caruncle. 



Oral lobe provided with paired superior and inferior tentacles, 

 somewhat shorter than the median tentacle. Mouth longitudinal. 

 extending to edge of fifth somite posteriorly. 



Parapodia (fig. 14) divided into dorsal and ventral parts. Dorsal 

 setae bundle borne on stout darkly pigmented lobe, also bearing- 

 dorsal cirrus. Gill, large and bush-like, situated just posterior to 

 dorsal lobe. Ventral lobe pale, bearing ventral cirrus and large 

 ventral setae bundle. 



Dorsal setae of two kinds. First variety (fig. 15) rare, simple, 

 slender, with tip finely serrated. Second variety abundant, simple, 

 smooth, considerably longer and more slender than first variety. 

 Ventral setae of same character. Serrated setae slightly heavier than 

 those in dorsal bundle. 



Collected at Opol, Mindanao Island. 



Genus NOTOPYGOS Grube. 



NOTOPYGUS HISPIDA, new species. 



Plate 48, fig. 16; plate 40, figs. 1-3. 



Type.— Cat. No. 18954, U.S.N.M. Length, 27 mm. ; greatest width. 

 16 mm. Number of somites, 31. Body elliptical, with prominent 

 white setae shading to Nile green posteriorly in paratype. Body a 



