514 ~~ Storer’s Synopsis of the Fishes of North America. 
prey with the wings extended, and has caused them to be compared to the 
eagle. Their jaws are furnished with broad, flat teeth, arranged like the 
squares of a pavement, and of different proportions, according to the species ; 
their tail, extremely long, is terminated in a point, and is armed, like that of 
Trygon, with a strong spine, serrated on both sides, and has above, towards 
its base, in front of the spine, a small dorsal. Sometimes there are two or 
more spines. 
Myliobatis Freminvillii, Lesurur. 
Body rhomboidal. Above olivaceous, more or less deep in different specimens, paler on the 
margins, and sprinkled with distinct rounded spots; beneath white. Orbit salient, sur- 
mounted by aneminence. Ventrals rounded. ‘Tail very long, filiform, triangular. 
Length, 2 feet. Width, 2 to 3 feet. 
Rhode Island, Lrsueur. 
Myliobatis Freminvillii, Lesurur, Journ. Acad. Nat. Sc., 1v. p. 111. 
as e Dexay’s Report, p. 366, 
Myliobatis Say, Lesveur. 
Suborbicular. Olivaceous red above. Teeth dilated, and rhomboidal at the base. Two 
elongated vertical opposite fins on the tail, behind the spine. 
Length, (?). Width, 17 inches. 
New Jersey, Lesurur. 
SOE. Say, Lesveur, Journ. Acad. Nat. Sc., 1. p 42, pl. 
« Dexay’s Report, p. 376. 
3. Myliobatis acuta, Ayres. 
Head rounded anteriorly, and extending backwards, widening but little for several inches, 
until opposite the eyes, where it joins the body. Body above smooth, entirely destitute of 
spines. Whole body and head above reddish brown; tail lighter at the base, but nearly 
black towards the tip; beneath whitish. ‘Tail very slender, smooth to the tip, bearing two 
reversely serrated spines. 
Length, 3 feet, 11 inches. 
Massachusetts, Srorer. Connecticut, Ayres. 
Wye BeUe ETE Storer, Proceed. Bost. Soc. Nat. Hist., p. 53. 
« Bost. Journ. Nat. Hist., rv. p. 187. 
Myliobatis acuta, Ayres, Proceed. Bost. Soc. Nat. Hist., p. 65, 
Myliobatis bispinosus (Storer), AyrEs, Bost. Journ. Nat. Hist., tv. p. 290, pl. 13, fig. 1. 
Myliobatis acuta (AyRrEs), LinsLEy’s Cat, of Fishes of Connecticut, Silliman’s Journal. 
In the year 1840, Dr. Yale sent me the tail and a portion of a jaw of this species, and 
from these I named it M. bispinosus in the fourth volume of the ‘‘ Boston Journal of Natural 
