664 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 
ANALYSIS OF THE AMERICAN SPECIES OF LEPTOCEPHALUS. 
a. [Dorsal beginning the length of pectoral behind the extremity of that fin. Uni- 
form brown; vertical fins with black edge.] ( Gunther ) Multidens, 119. 
aa. Dorsal beginning opposite to or just behind the tip of the pectoral ; eye in snout, 
5 to 6 iD head ; snout 3£ to 4£ in head ; gape extending nearly or quite to pos- 
terior margin of eye; head If to If in trunk; tail longer than rest of body; pec- 
torals 3^ in head ; upper lip full, with conspicuous pores. Ashy gray or black- 
ish ; vertical fins with a black margin; body sometimes (var. niger ) entirely 
black Conger, 120. 
aaa. Dorsal fin beginning above the middle of pectorals ; eye as long as snout, 4^ in 
head ; gape extending to beyond the middle of the eye ; head 1£ to If in trunk I 
tail longer than rest of body ; pectorals 3 to 3£ in head. Brown, vertical fins 
with abroad black margin, which is again edged with white ; the dorsal black 
anteriorly for f its depth Caudilimbatus, 121. 
119. LEPTOCEPHALUS MULTIDENS. 
Conger multidens Castelnau, Anim. Amer. Sud, 84, pi. 44, fig. 1, 1855 (Rio Janeiro); 
Kaup, Apodes, 114, 1856 (copied) ; Gunther, vni, 40, 1870 (copied). 
Conger brasiliensis Kaup, Apodes, 115, 1856 (Brazil) (not of Ranzani). 
Habitat: Coast of Brazil.' - 
Etymology: Latin, multus, many; dens, tooth. 
This species is known to us only through descriptions. 
120. LEPTOCEPHALUS CONGER. 
(The Common Conger; Conger Eel.) 
(a) Adult Forms. 
Murosna supremo marginepinnos, dorsalis nigro Artedi,Synon.,40, 2, 1738 (Mediterranean). 
Mnrcena conger Linnaeus, Syst. Nat., ed. x., 245 (based on Artedi, and of the early copy- 
ists). 
Conger conger Jordan, Proc. U. S. Nat. Mus., 370, 1885 
Murosna nigra Risso, Ich. Nice, 93, 1810, (Nice). 
Conger niger Risso, Eur. Mdr.,201, 1826 (black variety) (Nice). 
Conger vulgaris Cuvier, Regne Animal, ed-. ii, 1827 ; Gunther, viii, 38, 1870, and of Euro- 
pean writers generally. 
Anguilla oceanica Mitchill, Jour. Acad. Nat. Sci. Phila., 407, 1818. 
Conger verus Risso, Eur. M6r., iii, 201, 1826 (Nice). 
Ophisoma obtusa Swaiuson, Fish., Rep., and Amph., ii, 395, 1839 (Sicily). 
Conger orbignyanus Valenciennes, D’Orbigny, Voy. Am. M6rid., Poiss., pi. 12, 1 (South 
America); Kaup, Apodes, 115, 1856 (copied). 
Conger rubescens Ranzani, De Novis Spec. Pise. Diss. Prima, 1838, 19, tab. v, fig. 5 (Med- 
iterranean Sea). 
Conger occidentals DeKay, Fishes, N. Y., 314, pi. 53, fig. 172, 1842 (New York). 
Congrus leucophceus Richardson, Voy. Ereb. and Terror, Fish., 108, 1844 (fide Giinther.) 
Conger verreauxi Kaup, Apodes, 115, 1856 (no habitat). 
Conger oceanicus Gill, Cat. Fishes E. C. N. A., 1871, and of several American authors. 
Conger esculentus Poey, Memorias, n, 346, 1860 (Cuba). 
(&) Larval Forms (Leptocephalus). 
The following list includes most of the larval Congers and other eels 
described under the name of Leptocephalus. Probably none are valid 
species, but only a few have been positively identified: 
Leptocephalus morrissi Gtnelin, Syst. Nat., 1150, 1788 (Holyhead, England) ; Gunther, 
viii, 139, 1870 (a true Conger). 
Ophidium pellucidum Couch, Lond. Mag. Nat. Hist., v, 313, 742 (England) (Conger). 
