214 



BUSH 



Length of largest specimen about 4.5 inches ; breadth at base of 

 collar 6 5 mm.; length of thorax along setae 15 mm. A more con- 

 tracted one is 3.25 inches long, 8 mm. broad in middle of thorax. 



Victoria, British Columbia, June i, four specimens. 



EUDISTYLIA POLYMORPHA (Johnson). 



Bispira polymorpha JOHNSON, Proc. Boston Soc. Nat. Hist., vol. 29, p. 428, 

 pi. 17, figs. 179-183; pi. 18, figs. 184, 185, 1901. 



One young from Pacific Grove, California, and two well-grown speci- 

 mens from Victoria, Vancouver Island, British Columbia, are readily 

 identified by their conspicuous black eyes (pi. xxix, fig. 6). 



Recorded by Johnson 1 from Pacific Grove, California, to Puget 

 Sound, Washington. 



EUDISTYLIA INTERMEDIA sp. nov. 



pi. xxxni, figs. 26, 28; pi. xxxiv, figs. 19, 20, 26; pi. xxxv, figs. 21, 29. 



Type locality. Pacific Grove, California. 



Animal in formalin, pale cream color, with a brownish tinge on both 

 the dorsal and ventral surfaces of the thorax, and a spot of dark bluish 

 pigment showing through the integument at the side of each fascicle 

 of setae ; a similar color showing also along the anterior abdominal 

 tori ; a broad band of brown and pinkish purple on the lower portion 

 of the branchiae, and a narrow, scarcely discernible pink one farther out. 



Branchial lobes forming spires of about 3 turns, 13 mm. in height, 

 each with 60 or more rather slender branchiae, the longest about 18 

 mm. Pinnae numerous and closely crowded. The thin dorsal ends of 

 the lobes very noticeable. Eyes very small and scattered. 



Collar but slightly developed dorsally, narrow on the sides, arching 

 obliquely forward in an undulating curve, ending in small rounded 

 ventral ends. 



There are 8 thoracic and about 175 abdominal segments. 



Length without branchiae 144 mm. ; breadth of thorax 10 mm. ; 

 length along setae 1 1 mm. 



This species is readily distinguished from E. ^polymorpha (John- 

 son) by its more numerous branchiae, inconspicuous eyes, and form 

 of the avicular uncini, which have much shorter, stouter necks, longer 

 beaks, and are larger and less evenly rounded in front. 



Johnson's figure 179 on plate 17 is given as the ' ventral aspect'; it should 

 be ' dorsal.' Also in his description on p. 428 ' dorsal ' should read ' ventral,' and 

 vice vena. 



