78 B. IV. Kuiikcl, 



Telson oval, longer than broad, apex truncated, furnished with 2 

 symmetrical fascicles of moderately stout spines. 



Length, 8 mm. A single female represented the species in the 

 collection. 



The species has been previously reported from the Atlantic Coast 

 of Norway, the Shetlands, and the Black Sea. 



Autonoe longipes (Liljeborg, 1852) Bruzelius, 1859. 



1852. Gammarus longipes. Liljeborg, Ofversigtaf Kongl. Vetens.- 

 Akad. Forhandl. Stockholm, p. 10. 



1859. Autonoe longipes. Bruzelius, Skandinavian Amphipoda 

 Gammar., Kongl. Sv. Vetens.-Akad. Handl., vol. 3, p. 28. 



Eyes moderate, compound, reniform, approaching very close to- 

 gether on dorsal side of head. 



First antennae rather long and slender with long flagellum com- 

 posed of more than a dozen rather elongated segments; peduncle 

 with first joint rather stout, nearly as long as head, second joint 

 slender and longer than first, third joint small, about ^3 as long as 

 second ; accessory flagellum made up of 5 joints. Second antennae 

 with peduncle much longer than that of first ; gland cone prominent, 

 third joint longer than broad, fourth and fifth joints subequal in 

 length ; flagellum about as long as last joint of peduncle, composed 

 of about 5 joints. 



Mandibles with principal cutting edge divided into several teeth ; 

 secondary cutting edge also denticulate and rather narrow ; 4 spines 

 on spine row ; palp 3-jointed with third joint longest, about as long 

 as first and second together, inner margin straight, outer margin 

 convex, provided with plumose spines on both margins, second joint 

 about twice as long as first and somewhat stouter, with several long 

 setae on inner margin, first joint rather short, broader at distal end 

 than at proximal. Lower lip with outer plates rounded, anterior 

 margins entire, not very broad ; mandibular processes long and 

 pointed, diverging considerably ; inner plates broad, rounded. First 

 maxillae with inner plates rudimentary and l^earing single long plu- 

 mose spine apically ; outer plates broad, with distal margin oblique, 

 inclining toward inner margin, furnished with usual spine teeth ; palp 

 2-johited, first joint as broad as long and with single seta on outer distal 

 margin, second joint 4 times as long as broad with blunt apex pro- 

 vided with a number of slender teeth and setae. Second maxillae 

 with oval plates which are rather broad ; outer plates provided 

 with many long setae distally ; inner plates smaller than outer with 



