28 NEW-YORK FAUNA — CRUSTACEA. 
ceeding the lamellar appendix of the external antenne, and very wide and truncate at the 
end. Anterior feet large, and of moderate length. Five pair of spines on the medial caudal 
plate. Abdominal segments on each side acute. 
Length, 1°0-1°5. 
This species has been obtained by Dr. Gould, rather abundantly, from the stomachs of 
fishes on the coast of Massachusetts. It is properly a boreal species, and abundant in the 
polar seas. 
GENUS PANDALUS. Leach. 
General form of the preceding. The first pair shortest, and ending ina slender point; second 
pair very slender, and didactyle. Twelve branchie on each side. Upper antenne longer 
than the body, ending in two filaments. 
PANDALUS ANNULICORNIS. 
PLATE VII. FIG. 18. 
Pandalus annuliformis, Lracn, Mal. Podopth. pl. 40; and Lin. Trans. Vol. 11, p. 346. 
P. id, Desmarest, Consid. sur les Crustacés, p: 220, pl. 38, fig. 2. 
P. id. MitneE-Epwarps, Hist. Nat. des Crustacés, Vol. 2, p. 384. 
Py id, Goutp, Invertebrata of Massachusetts, p, 332. 
Description. Rostrum as long as the shield, with eight to ten teeth above; lower side of 
the rostrum with a few teeth near the tip, separated by a smooth interval from others near the 
base. Feet slender; those of the first pair scarcely exceeding the lamellar appendix of the 
external antenne ; the three last pair armed with spines. 
Color. 'The antenne marked with eight or ten reddish rings, as broad as the intervening 
white spaces. 
Length, 3°0 - 4°0. 
Found in the stomachs of fishes on the coast of Massachusetts. 
