158 TELEOSTEI : ACANTIIOPTEUI. — XX. 



e. Canine teeth none ISESTiiES, 207. 



ee. Canine teeth in one or both jaws behind the other teeth. 



HYri-EUKOCHILUS, 208. 



aa. Teeth conic (not like comb-teeth); D. (in our genera) of spines only; 

 vertebrie very numerous; lateral line not bent; body scaly; species 

 chiefly Arctic, 

 y, (jill openings not continued forward below, the membranes broadly 

 united. V. minute or wanting. (XiphiiiuinB.) 

 g. Lateral line none; V. rudimentary; gill membrane free from isth- 

 mus; A. with 2 small sjjines; no pyloric ctuca. Ml'k.t-.noidks, -JUIK 

 ff. Gill openings prolonged forward below, separated by a narrow 

 istlmuis; P. long; V. well developed; oviparous; herbivorous. 

 {Stifha'ime.) 

 h. Lateral line present. 



i. Lateral line forked or duplicated. . Eumesookammi's, 210. 



u. Lateral line simple Stich.el'.s, 21 1. 



hh. Lateral line wanting; teeth on jaws onl}'. Lkptohlenmus, 212. 



206. CHASMODES Cuv. & VaL (xacr/iwS;;?, yawning.) 



4.37. C. bosquianus (Lacepedc). 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 3^; depth ^. D. XI, 19. A. 20. L. 3, N. Y. 

 to La. (To M. Bosc, a zealous collector of the fishes of S. C.) 



207. ISESTHES Jordan & Gilbert. (7o-of, equal ; fV^tw, to eat.) 



438. I. hentz (Lc 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 3| ; depth 3^. D. XII, 15. A. 19. 

 L. 2^. Md. to La. (5/. ;jj»ic/a?ws Wood ; name preoccupied.) (To 

 Mr. Ilentz, an early entomologist.) 



208. HYPLEUROCHILUS (Jill, (v, upsilon ; nktvpov, side; 

 ;^fIXof, lip.) 



439. H. geminatU3 (Wood). Orbital cirrus branched, very high 

 in ^ ; I), spines slender. Olive brown, back and fins with iilack 

 spots in (J. Head 3J; depth 4. D. XL 15. A. 18. L. 2^. Va. 

 to Texas, with the two preci'ding and others, among oyster shells 

 and clusters of tunicates; also about ballast piles. (LV. multijiUs 

 Ciirard, ^ .) (Lat., twin.) 



209. MURiENOIDES Lacepfede. {fivpaiva, moray ; ei'Sof, form.) 

 o. Ventrals present, I. 1. 



•140. M. gunnellua (L.). Ritttkr-flsii. IIc:id naked. Rrown 

 with darker burs; black ocelli along base of D. Head 8; depth 9. 

 D. LXXVIIL A. 11, 38. Vert. 85. L. 12. Labrador to Va., 

 common in st-a weed, N. (/vu.) (From "gunnel," gunwale, wrongly 

 sujiposcd to l)e its Knglish name.) 



