ISOI'ons OF NORTH AMERICA. 



203 



Lc.os of tlic lirst (lircc puii-s pi-chciisilc; those of the last four pairs 



anibulatoi-y. 'riici-c arc tlu-cc sj)iii('s on the propodus and tlii-« i 



the ineru.s of all three aiiterioi- pans. 



ROCINELA PROPODIALIS Richardson. 



RociiH'lit ],roj,n,lii,/ls lii(iiAKi..s(,N, I'.iill. f. s. Fisli ('..iHiii., WTV 1905 i)n 

 L'14-L'ir.. 



Locality. — Admiralty Inlot, vieiiiitv of Port Tow nseiid. 



Drpth.—l^-liS fathoms. 



Body nearly tvvic(> as lon^- as wide. Color brown, Avith small Mack 

 dots. 



Head ti'iaii^ular and produced in front in a broad median process. 

 Eyes larov and separated in front by a distance ecpial to the leng'th of 

 one eye. The first pair of iintemne extend to the posterior maro-jn of 

 the head or to thi> end of the peduncle^ of the second pair; the tfag-el- 



FlG. lyC).— RociNELA PHO- 



PODiALis. Head with 



ANTENN.K AND FIKST 

 TWO THORACIC SEG- 

 MENTS. ■; 21. 



Fk;. 197. — RociNELA propodia- 

 I.IS. .Vbdomen. ■. ■l\. 



lilS. — R(JCINEI,A PROPODIALIS. 



Third lec. ■ 7. 



lum has four to six joints. The second pair of antennte reach the 

 posterior margin of the second thoracic segment; the tiagellum has 

 sixteen joints. 



The several seo-nients of the thorax are about equal in leiioth, the 

 tirst seo-ment being a little longer and the last a little shorter than the 

 others. The epimera of all the segments are produced at the outer 

 posterior angle, becoming more and more pointed in the last four seg- 

 ments. The epimei'a of the last segment only project be^-ond the 

 posterior margin of the segment. 



The tirst segment of the abdomen is entirely conc(>aled by the last 

 thoracic segment. The fifth is narrower than the preceding ones, 

 ])ut longer in the median line. The terminal abdominal segment 

 is linguiform, I'ounded posteriori^', with smooth margins furnished 

 with short hairs. The uropoda do not exceed in length the terminal 

 al)dominal segment. The outer bran(;h is somewhat narrower and 

 shorter than the inner, and both branches are armed with a few 

 short spines along the outer margins and with long hairs along the 

 inner maro-ins. 



