JOHNSON: POLYCHAETA OF PUGET SOUND REGION. 393 
minute ones and gradually increasing in size towards proximal end 
of seta. 
Nephridial papillae begin at the 6th somite and extend to 36th ; 
with acuminate tips. 
Length of largest specimen, 21 mm.; width, including setae, 
6 mm. 
This species is represented by two imperfect specimens, one from 
Puget Sound, collected by Harrington, the other from Coronado, 
Cal., collected by me in July, 1895. Its living color is stated in my 
notes to be “ orange-yellow,” but the alcoholic specimen is pale 
brown. Elytra and dorsal cirri are easily detached. The occur¬ 
rence of the species at localities so widely separated, and, so far 
as known, at no intermediate point, is certainly remarkable. 
9. Harmothoe pacifica sp. nov. PI. 2, figs. 14-17. . 
Form rather flattened, diminishing towards both head and pos¬ 
terior end; breadth, including setae, about four ninths of length. 
Somites, 37; elytra (wanting in specimen), 15 pairs, borne on 
somites 2, 4, 5 . .. . 23, 26, 29, 32. 
Prostomium very strongly bilobed, nearly twice as broad as 
long; “ peaks ” short and blunt, divaricate; lobes of prostomium 
separated by a wide, shallow groove. Basal joint of tentacle very 
thick, about the length of the prostomium. Antennae slender, 
considerably longer than prostomium, inserted below the level of 
tentacle; ciliate, their basal joints projecting beyond the peaks of 
the prostomium. Anterior pair of eyes laterally directed; just in 
front of the bulge of the prostomium; posterior pair dorsal, near 
base of prostomium, slightly nearer together than the anterior. 
Peristomial cirri villous, without bulbous enlargement near tip. 
Dorsal cirri (Fig. 14) very similar. Dorsal ramus short and 
stubby without finger-like process, bearing setae of two different 
forms (Figs. 15, 16) which grade into each other. The short 
curved ones are the more dorsal. All the dorsal setae are much 
more slender than the ventral. Ventral setae (Fig. 17) stout,, 
hastate, with straight or slightly curved tips, and from two to 
twelve serrations. Ventral cirrus fusiform, papillate. 
Length, 26.5 mm.; width across middle, including setae, 11.5 mm. 
This species is represented by a single specimen, unfortunately 
Without elytra and imperfect in other respects. It was collected 
by the Columbia Expedition. The species is probably scarce, as all 
efforts to obtain more specimens have thus far failed. 
