158 TELEOSTEI : ACANTHOPTERI. — XX. 
e. Canine teeth none. ... - . » « “IszstHes, 207. 
ee. Canine teeth in one or both jaws baking the other teeth. 
HYPLEUROCHILUS, 208. 
aa. Teeth conic (not like comb-teeth); D. (in our genera) of spines only; 
vertebree very numerous; lateral line not bent; body scaly; species 
chiefly Arctic. 
Jf. Gill openings not continued forward below, the membranes broadly 
united. V. minute or wanting. (Xiphidiine.) 
g- Lateral line none; V. rudimentary; gill membrane free from isth- 
mus; A. with 2 small spines; no pyloric caeca. MUR#NOIDES, 209. 
J/- Gill openings prolonged forward below, separated by a narrow 
isthmus; P. long; V. well developed; oviparous; herbivorous. 
(Sticheine.) 
h. Lateral line present. 
: Lateral line forked or Bitoni - EuMEsoGRAMMUS, 210. 
. Lateral line simple. . . . 2h Gi sheeh, 4p EDO Ags 2 tals 
hh. Tapa line wanting; teeth on jaws only. LEPTOBLENNIUS, 212. 
206. CHASMODES Cuv. & Val. (yaopedys, yawning.) 
437. C. bosquianus (Lacépéde). Orbital tentacle minute or 
wanting; maxillary reaching beyond eye; ¢ olive green with 9 blue 
lines; head and 1st D. with orange; 9 dark green, reticulated and 
barred. Head 34; depth 3}. D. XI, 19. A. 20. L.3. N.Y. 
to La. (To M. Boe a Pete collector of the fishes of S. C.) 
207. ISESTHES Jordan & Gilbert. (ioos, equal; éa6ia, to eat.) 
438. I. hentz (Le Sueur). Orbital cirrus bifid at tip, as long as 
D.spines. D. high, the spines stiff. Olive, with vague bars; head 
with distinct black spots. Head 32; depth 34. D. XII,15. A.19. 
L. 23. Md.to La. (Bl. punctatus Wood; name preoccupied.) (To 
Mr. Hentz, an early entomologist.) 
208. HYPLEUROCHILUS Gill. (i, upsilon; meupdy, side ; 
xetXos, lip.) 
439. H. geminatus (Wood). Orbital cirrus branched, very high 
in @; D. spines slender. Olive brown, back and fins with black 
spotsin @. Head 34; depth 4. D. XI,15. A.18. L. 24. Va. 
to Texas, with the two preceding and others, among oyster shells 
and clusters of tunicates; also about ballast piles. (1. multifilis 
Girard, ¢.) (Lat., twin.) 
209. MURZNOIDES Lacépéde. (dpawa, moray; eidos, form.) 
a. Ventrals present, I, 1. 
440. M. gunnellus (L.). Butter-FisH. Head naked. Brown 
with darker bars; black ocelli along base of D. Head 8; depth 9. 
D. LXXVIII. A. IT, 38. Vert. 85. L. 12. Labrador to Va., 
common in sea weed, N. (Hu.) (From “gunnel,” gunwale, wrongly 
supposed to be its English name.) 
