j;iU;.VNTIATE IHHA'CIIAEÏA OF .TAl'AX. 



109 



A. C'omiJouiul liiistle irum Ihd. 



pnrapucliuiu uf ]'(tru)i,orthia 



brevi(:(>rmi(<i, 820/1. 

 ]!. CoTu pound bristle frum 'llli 



pariipudiniu of sixme. '180 '1. 

 C. Tectin.-ite bristle I'rom l^Jth 



l'îiriipoilium. 180 I. 

 1'. Hook from llfh par.i podium. 



180/1. 



[After J. r. Moore]. 



tlie second as far as the base of the 

 median tentacle. The third and all 

 succeeding parapodia are small and 

 project straight forward. 



Typical parapodhim (the tenth) 

 short, truncate ; witli a small anterior 

 lobe, a tapering bent dorsal cirrus of 

 about twice the length of the parapodium, 

 and a small ventral cirrus. 



l-5ranchiae begin to occur on the 

 10th segment, on each side as a single 

 thick filament arising from tlie dorsal 

 side of the dorsal cirrus. The branchia 

 is l)ilid on the 2ord segment, and thence 

 l)a,ckward stands out erect in two equal 

 (b'visions twice as long as the cirrus. 



Tlie lirst two enlarged parapodia 

 bear each o lar^re bristles. Succeeding 



parapodia with compound, pectinate and 

 capillary l)ristles. Com})Ound bristles of two kinds : those with 

 short strongly hooked and Itilid tip having a guard, and tliose 

 williout guai'd and willi llic l)lade long straight or only slight- 

 l.\' curved. rapillary bristles slender, tapering, very acutely 

 |'!)iii(<'<l. with a narrow smooth-edged wing. Pectinate In'istles 

 willi asy iiiinclrical ciiiAcd ends, pi'ovided with about 20 very 

 liiK' tcclh nl' (■(|ii;il Iciiglh. Tlooks slender, not exceeding Üiv 

 longci' ('(HiipoinKl hrislics in (hickness, nearly straight, slightly 

 i'iilai-g''<l Im'Iow the ti]), which is bidd and is provided with. a. 

 hi'oad L:'iiaril. 



llahilat ; Suiuga I'ay, -I"» falhoms (•" Alltatross "). 



