GAMM UMD.i;. 81 



rectangular, but broadest beU)\v, and of a bi-igbt red eolour. 

 Superior untenna) very short nnd thick, reguhirly tapering to a 

 point, with a short accessor}- flagelluni, and in length one-fourth 

 of that of the inferior ones, which equal in length about one-half 

 that of the body, and have very long and slender flagella. First 

 pair of gnathopoda small and subchelifonn ; those of the second 

 pair very long, but usually bent up beneath the coxa), and termi- 

 nating in a small, flat, rounded, hirsute extremity, without a 

 dactylos. There is a depression between the third and fourth 

 segments of the pleou. The three posterior pairs of pleopoda 

 terminate in long, smooth, pointed rami. The tclson consists of 

 two pointed spines abont two-thirds the length of the posterior 

 pair of pleopoda. Colour light yellow. 

 " Length 0-4 inch. 



" Dredged in 40 fathoms, on a soft muddy bottom, off Long Island, 

 Grand Manan." — Stinqjson. 



1 ha\'c not seen this species ; but there is notliing in the descrip- 

 tion to distinguish it from A. HoJhdlli. 



20. Anonjrx pallidus. 

 Anonyx pallidus, Stimiyson, Marine Invert, of Grand Manan, p. 50. 



<* Body short, slightly compressed, rounded above ; wdth a dorsal sinus 

 on the pleon, as in A.x>olitus. Head with large, black, subclavate 

 eyes, broadest below, as in Lysianassa appemlkulata, Kroyer. An- 

 tenna? hairy, very short, the superior ones very thick and tapering, 

 equalling the infeiior ones in length, that is, reaching to the second 

 segment of the pereion . Pei-eiopoda slender, very haiiy , in structure 

 like those of A. lioUtiui. The two penultimate pairs of pleopoda 

 long and pointed, slightly serrated above ; posterior pair short, 

 thick, and spinous. Colour pale whitLsh, the browoiish viscera 

 shoM-ing through along the middle. 



" Length 0-35 inch. 



" Taken in four fathoms, in sand, off Duck Island moorings, and in 

 twenty fathoms, mud and shells, off the northern point of Duck 

 Island. ' ' — ^timpso n. 



21. Anonyx Norvegicus. 



Anonvx Norvegicus, LUjvbory in Ofvers. af Konql. Vetensk. Akad. 

 Forhandl. p. 22, 1851. 



" This species resembles A. riautus, but may readily be distin- 

 guished from it, by the superior antenna) of the female and male 

 being nearly equal ; the flagellum having fourteen joints ; the second- 

 aiy appendage having five joints, of which the first is about as long 







