70 



BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



"■ Last pen\3opods having the propodus 

 half as long again as the carpus, and the 

 dactylos subequal to the carpus; carpus 

 and propodus each furnished with two 

 forked spines on their anterior niargin. 



"First pleopods large, covering the 

 whole of the remaining pleopods, against 

 which they are closely pressed. 



" Uropods with outer and upper plates 

 wide apart dorsally, broadly triangular or 

 spear-shaped, longer than wide, and as 

 long or nearly as long as the inner plate, 

 which is very similar in foi'm but narrower, 

 with well-rounded extremities; ])oth are 

 tipped with a few seta% which aiv, how- 

 ever, very easily abraded. 



"Telson nmch depressed, broadly lance- 

 olate, apex rather acute, about etjual in 

 length to the uropods. 



"Length, 9 mm., or about three-six- 

 teenths of an inch. ""Norman and Steb- 



BINO." 



ANTHELURA AFFINIS Richardson. 



Fifi. 55. — Anthei.i'ra a k f I n I s . a. 

 Sixth tkriopoI). ?). Second (;natii- 

 •OPOD. c, Ftust (;nath<i1'()I). (/, 

 General figure. 



Anthelura affinis Richardson, Trans. Conn. 

 ■ Acad. Sciences, XI, 1902, pp. 288-289, 

 pi. XXXVIII, figs. 29-32. 



Locality. — Bermudas. 



Body narrow, elongate. Head with 

 small median point. Eyes distinct, situ- 

 ated in antero-lateral angulations. 



Antennae of both pairs with flagella con- 

 sisting of several joints, and fringed with 

 long hairs at the tip. Maxillipeds con- 

 sist of five joints. » 



First three thoracic segments about 

 equal in length. Three following seg- 

 ments somewhat longer, and subequal. 

 Seventh segment fully half the length of 

 preceding segment. 



All the segments of the abdomen dis- 

 tinctly defined. Terminal segment nar- 

 rowly linguifoi-m, roundly triangulate at 

 the apex and with smooth margins. 



Outer superior branch of uropoda long, 

 oval, i-eaching quite to the extremity of 



«Trans. Zool. Soc. Lond., XII, 1886, Pt. 4, pp. 127-128. 



