18. CniLOKHINUS. 51 



Miirasna longicoUis, Cav. Reyxu An. (name only). 

 Mvvophis punctatus, Liitkoi, /. c. 



longicollis, Kauj), Ajwd. p. 30j Peters, Monatsher. Ah. Wiss. 



Berl. 1864, p. 397. 



Tail more than twice as long as the trunk (without head). Eyo 

 smaU. Gill-opening rather nearer to the end of the snout tlian to 

 the origin of the do^'-sal. Cleft of the mouth extending behind the 

 eye; upper jaw the longer. Coloration uniform. 



West Africa, West Indies, Panama. 



a. Panama. From Capt. Dow's Collection. 



Myroplils microstir/Diius, Poey, llepert. Fis.-nat. ii. p. 250, from 

 Cuba, would appear to differ from M. ininctcttus only in the more 

 backward situation of the; origin of the dorsal fin, Avhich is said to 

 be midway between the gill-opouing and the vent, whilst in the 

 specimens of M. pundatuA examined by mc the origin of that fin is 

 distinctly nearer to the giU-opeuing than to the vent. 



17. PARAMYRUS. 



Nostrils on the margin of the upper lip. Vertical and pcctoi'al 

 fins well developed, the dorsal commencing behind the gill-opening. 

 Teeth in the jaws biserial. 



Brazil, West and East Indies. 



1. Param3rrus cylindroideus. 



Conger cylindi'oideus, Rnnzani, Nov. Conini. Ac. Sc. Inst. Bonon. 

 1840, p. 80, pi. 13. fig. 2. 



(" In utroque latere labii superioris tubi duo breves, sed Intins- 

 culi; horum anterior acutus appendice filiformi.") Upper jaw 

 longer than the lower ; cleft of the mouth extending behind the eye, 

 which is of moderate size. The dorsal fin commences nearly above; 

 the middle of the pectoral. Tail twice as long as the body (witlj 

 the head). Vertical fins with a narrow black edge. (Eanz.) 



Brazil. 



2. Paramyrus microcMr, 



Eclielus microchir, Bleek. Ned. Tyds. Dierk. ii. p. 40 ; or Atl. Jdifh. 

 Mtir. p. 30, pi. 45, fig. 4. 



Cleft of the mouth extending to below the hind margin of Die (>y«' 

 Upper jaw projecting beyond the lower. Teeth sul)(N]n;il in size, 

 small, uniserial on the vomer and the side of the maiuliMe. 'i'ail 

 nearly t^vice as long as the body. Dorsal fin commenring above tlie 

 extremity of the jjectoral. Uniformly coloured. Hi'i.lir ]>nvt of 

 the anal fin with black margin. 



Celebes. 

 a. Type of the species. From Dr. Blocker's Collection. 



18. CHILOEHINUS. 



Chiloi-liinus, i/7//a';?, 77(/. 3/^fW<7. natnrli. Forcn. Kjdliciili 18;")1, iin 1; 

 or iriec/in. Ai c/i. ISCrJ. \i. 27:.'. 



