APODAL FISHES OF AMERICA AND EUROPE. 
639 
ANALYSIS OF THE SPECIES OF CHILORHINUS. 
a. [Head and trunk forming f of the total length ; dorsal fin commencing at a point 
half way between vent and snout ; depth 9 times in the total length ; eye 2£ in 
interorbital width, latter equaling the muzzle ; teeth on palatines biserial; ten 
teeth in two transverse rows on the nasals; teeth on lower jaw triserial. Color • 
uniform dark brown ; throat paler ; fins darker-margined] (Cope) .Suensonii, Si. 
81. CHILORHINUS SUENSONII. 
Chilorhinus suensonii Liitken, Yid. Med. Naturh. Foren., 1, 1851 (St. Croix) ; LUtken, 
Wiegmann’s Archiv, 272, 1852; Gunther, vm, 52, 1870 (copied); Cope, Trans. 
Amer. Phil. Soc., 482, 1870 (St. Croix). 
Habitat: West Indian. fauna. 
Etymology: A personal name. 
This species is known to us only from the descriptions of Liitken and 
Cope. The known specimens are from St. Croix. 
Genus 20. — AHLIA. 
Ahlia Jordan & Davis, gen. nov. ( egmontis ). 
Type: Myrophis egmontis Jordan. 
Etymology: Named for Jonas Nicolas Ahl, of Upsala, whose thesis 
“ Be Mursena et Ophichtho ” modestly offered for the consideration of 
the president of the medical faculty v in the University of Upsala ( u Car- 
olus Yet. Thunberg”) in 1789, furnishes the beginning of our systematic 
arrangement of the eels. 
A single species of this genus is known. 
ANALYSIS OF THE SPECIES OF AHLIA. 
a. Dorsal beginniug behind vent, at a distance about equal to length of gape; an- 
terior nostril in a short tube ; posterior, large, labial, directly behind it ; cleft 
of mouth short, extending beyond the rather large eye, 3^- in head ; eye 2 in 
snout ; teeth on both jaws uniserial ; four small canines in front of upper jaw ; 
no teeth on vomer ; lower jaw considerably shorter than the upper; top of head 
with large pores ; head in trunk ; head and trunk a little shorter than tail ; 
pectorals short and broad, slightly longer than snout ; gill-opening short, oblique, 
extending downward aud backward from near middle of base of pectoral. Dark 
brown, nearly uniform, somewhat paler below Egmontis, 82. 
82. AHLIA EGMONTIS. 
Mijrophis egmontis Jordan, Proc. Acad. Nat. Sci. Phila., 44, 1889 (Egmout Key, Flor- 
ida) ; Jordan, Cat. F. N. A., 54, 1885. 
Habitat : Coast of Florida. 
Etymology : From Egmout Key. 
This species is known from the single example taken at Egmout Key, 
Florida. * 
Genus 21.— MYROPHIS. 
Myrophis Liitken, Vidensk. Meddel. Nat. Foren. Kjobenliaveu, 1, 1851 (punctatus). 
Type: Myrophis punctat us Liitken. 
Etymology; M Myrus j oW 3 snake, 
