474 



BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



JANIRA TRICORNIS (Kr0yer). 



Henopomus tricornis KR0YER, Voy. en Scand., Crust., 1849, pi. xxx, figs. 2 a-q; 



Nat. Tidsskr. (2), II, 1846-19, p. 372-379, 



380. 



Janira tricornis HAXSEX, Vid. Medd. naturh. 

 Foren. i Kj0bh., 1887-88, pp. 190-191. 

 RICHAKDSOX, Amer. naturalist, XXXIV, 



1900, p. 300; Proc. U. S. Nat. Mus., XXIII, 



1901, p. 555. STEBBIXG, Ann. Mag. Nat. 

 Hist. (7), V, 1900, p. 14. OHLIX, Bihang 

 till K. Sv. Vet.-Akad. Handl., XXVI, 

 Afd. iv, No. 12, 1901, pp. 30-31. 



Localities. Kangerdluarsuk ; Sukker- 

 toppen; Egedesminde; latitude 65 11' 

 north, longitude 53 33' west. 



Depth. 5 to 50 fathoms; 20 to 80 me- 

 ters (Ohlin). 



Body wide, the width equaling almost 

 half the length. 



Head armed anteriorly with three horns 

 or spines, placed in a transverse series. 



The second pair of antennae are equal 

 to the length of the bod}^ the second 

 article of the peduncle is very stout and 

 armed on the exterior margin with a large spine (scale). 



FIG. 529. JANIRA TRICORNIS (AFTER 



KR0YER). 



FIG. 530. JANIRA TRICORNIS (AFTER KROYER). SHOWING DETAILED PARTS. 



