394 Bulletin 47, United States National Museum. 



Sidera uemWi, Jobdan & Gilbert, Proc. U. S. Nat. Mus., 1882, 623, Panama. (Coll. Erof. Brad- 

 ley.) 

 Gyniitolhdroi- leiTilli, Jordan & Davis, I. c, 599. 



645. LTCODONTIS TICINUS (Castelnau). 



Teeth all entire, uniserial; lower jaw with about 22 teeth on each side; 

 canines well developed ; gill openings narrower than the eye ; eye large, 

 2 in snout, which is long, narrow and pointed ; mouth capable of being 

 completely closed ; cleft of mouth 2 to 2i in head ; head long, about half 

 length of trunk ; tail longer than rest of body by about f length of head. 

 Brown everywhere, finely mottled with darker brown or purplish ; angle 

 of mouth dusky ; dorsal with a dusky edge, the fin marked with dark 

 streaks as in L. funebris; anal edged with whitish; black spot at gill 

 opening faint or obsolete. Tropical Atlantic, Cuba to Africa and Brazil ; 

 rather scarce ; our specimen from Bahia. {vicinus, nea^v; to L. moringa.) 



Mitnenojjhis vkina, Castelnau, Anim. Amer. Sud, Poiss., 81, pi. 42, fig. 4, 1855, Bahia. 



Gymnothoraxversipunctatus, PoEY, Enumenitio, ir)6, 187.'>, Cuba. 



Tliyrsoidea macnlipinnis, Kaup, Apodes, 80, 1856, Gold Coast. 



Murxna ricina, Gvnther, Cat., viii, 121, 1870. 



Mtiriena maculipinnis, Gi'NTHER, Cat., viii, 124,1870. 



Gymnoihorax vicinus, Jordan, Proc. U. S. Nat. Mus., 1890, 315 ; Jordan & Davis, I. c, GOO. 



Tliyrsoidca coniim-a, Kaup, Aale Hamb. Mus., 26, 1859. 



Thyrsoidea marginala, Kaup, /. c, 24. 



646. LTCODONTIS VIRESCENS (Poey). 



Teeth uniserial, entire ; gill opening larger than eye ; tail longer than 

 rest of body ; depth of body ISj in length ; head 3 in trunk ; cleft of 

 mouth not quite half head. Olivaceous; head and tail with close-set dark 

 points most distinct about gill opening ; snout chestnut ; dorsal mottled 

 with gray and yellow, without distinct darker margin, its border colored 

 like the fin; anal with a yellow border. Cuba; unknown to us. (Poey.) 

 (virescens, greenish.) 



Gymnothnrax virescens, Poey, Enunieratio, 156, 1875, Cuba ; Jordan & Davis, L c, GOO. 



647. LYCODOMIS POLYGOMUS (Poey). 



Teeth uniserial, stout, and strong, not close set ; eye 2i in snout ; cleft 

 of mouth 2 to 2i in head; head 2^ in trunk, 3^ in tail, the tail slightly 

 longer than rest of body. Dark markings forming narrow reticulations, 

 never rounded spots; body and tail light olive, everywhere covered with 

 reticulations of dark lilac, the patches of gro.und color inclosed by the 

 ultimate reticulations, mostly smaller than pupil ; some of the reticula- 

 tions more conspicuous and inclosing irregular polygons or 8(iuares con- 

 siderably larger than eye; the lines are so branched that these markings 

 are not easilj' traceable ; margin of anal broadly yellowish ; a trace of a 

 pale line on edge of dorsal. Cuba; two specimens known, both exam- 

 ined by us. (2)olyffoniu8, nolvy^ivui^, with polygons.) 



Gymnoihorax polygoniun, Poey, Anu. N. Y. Lye. Nat. Hist., OS, 1870, Havana; Jordan & Davis, 



I. c, GOO. 

 Sidera vicina, Jordan, Proc. U.S. Nat. Mus., 188G, 34, (not Murmiophis i-iciims, Castelnau.) 



