El'CHAETOMERA TENUIS. 201 



margin, fifth and sixth segments with spiniform denticles along the same mar- 

 gins; most of these denticles are rather large though some small ones are inter- 

 spersed. — The uropods (fig. oe) have both rami much slenderer than shown in 

 Sars's fig. 19 (whicli in this respect differs materially from liis fig. 1). — Telson 

 (fig. 5e) considerably l)roader than long, in the adult female with G-7 spines 

 along each lateral margin, while in tlie inuuature sjiecimen only 4 and G spines 

 were observed. 



Length of the adult female 9 mm. 



Rcviarks. — It will be seen that tlie additions and corrections to Sars's 

 description and figures are rather numerous. I think that Bruluinysis voglii 

 Chun, taken at Madeira, is the young male of the same species. The author 

 states that the fi\'e anterior abilominal segments have a lateral armature, viz. 

 4 spiniform denticles at the postero-lateral angle of each segment, while the 

 sixth segment has spines along the whole posterior margin. It is far from im- 

 probal)le that the lateral armature of tlie anterior abdominal segments is found 

 onl}- in the males, and if this supposition be correct, I think that the other 

 differences between the specimens studied and Chun's descri])ti()n and figures 

 are due to imperfections in the latter. — E. luiihaia lUig is po.ssibly another 

 species, because its sciuama, accoi'ding to lUig's figiu'e, has a shape somewhat 

 different from that in K. Ijipicn and the carapace is, at least in the male, spini- 

 ferous around the whole margin. 



Distribution. — Sars enumerated three localities in the Northern Pacific 

 between Lat. 35" 22' an.l 37' 52' N., long. 1(39 ' 53' E. and IGO' 17' W. ; his speci- 

 mens were from the surface of the sea. Ortmann recorded it from off Calera 

 Point in thv trojiical East Pacific and from tlie Sargasso Sea and the Southern 

 equatorial current in the .Vtlaiitic. Dr. .1. Schmitlt captured a single specimen 

 West of Gibraltar at Lat. 3(r 13' N., long. 9" -14' W.— Chun's Bruloiiiysis vogtii 

 was captured at ALuleira, and lilig's E. limhuta at two Stations in the Atlantic. 



20. Euchaetomera tenuis Ci. 0. Sars. 



1883. Euriiiii'lninirii li iiiii.< (!.(). Sars, i'ciili, \'i(l. Srlsk. Chri-stiania for 1SS3, no. 7, j). 12. 



18S.5. Eiu-hiwloiihi;, Irinu.f G. O. Sahs, CliuUciigiT Kepi., 13, p. 214, pi. 37, figs. 21-24. 



190."). /?i(r/((((7riH/rn;/i)/r/(C( Holt it T.A.TTKH.SALL, Fishorio.s Ireland. Sci. Inve.st., 1902-3, (190.')), p. 123 



ami 144; pi. 24, fig.s. 1-3. 

 1910. Enrhiiiiomrni tiniiis H. ,1. Hanskn, Sihoga-Exp., 37, p. (iCi, |)1. 10, fig. 3a. 



Sta. 4717. .Ian. i:i, UIO.".. Lat. .5° 10' S., long. 98° .')!;' \V. 300 fnis. lo surface. 1 immature female. 



Sta. 4719. .Ian. 14, 190,'i. l.at. 0° 29.8' S., long. 101° 10, S' \\'. 300 fms. to surf.iee. 1 arlult female. 



8ta. 4721. .Ian. 1."., 190.".. i.al. 8° 7..")' .S.. long. 104° 10..")' W 300 fnis. to surfaee. 1 male. 



Sta. 4722. Jan, Ki, 190.'). Lat. 9° 31' S., long. 10ti° 30.o' W. 300 fms. to surfaee. 1 adult female. 



