EELS OF THE GENUS CONGER — ^KANAZAWA 231 



4b. Whitish spots as above not present. 



5a. Pores in lateral line more than 43 (except oceanicus, which has 39 to 44). 



6a. Diameter of eye less than 1.75 percent of total length (2 to 3 into 



snout), pectoral fin rays 15 to 17, origin of dorsal fin one-fifth of 



pectoral fin or more behind posterior tip of pectoral fin. Atlantic 



South America C. orbignyanus Valenciennes (p. 247) 



6b. Diameter of eye more than 1.75 percent of total length (1.36 to 2.11 



into snout), pectoral rays 17 to 20, origin of pectoral fin two-fifths 



of pectoral fin length behind posterior tip of pectoral fin tip 



anteriorly. European waters . . C. conger (Linnaeus) (p. 248) 



5b. Pores in lateral line fewer than 44. 



7a. Teeth in maxillary generally in one row, sometimes 3 or 4 in inner 



row; in small specimens mandibular teeth in one row, some may 



have 3 to 6 teeth in inner row. 



8a. Length of head 125 to 148 ; diameter of eye less than 2.50 percent of 



total length (or eye into snout 1.46 to 1.99 times); pores in 



lateral line modally 38, range 36 to 40; vertebrae 141 to 144. 



Japan, Africa C. jordani, new species (p. 250) 



8b. Length of head 141 to 157; diameter of eye more than 2.25 percent 

 of total length (or eye into snout 1.21 to 1.42 times); pores in 

 lateral line modally 36, range 35 to 36; vertebrae 137 to 139. 



Hawaii C. oligopoms, new species (p. 251) 



7b. Teeth in maxillary generally in two rows; in small specimens maxil- 

 lary may have 1 row but the mandibular teeth in 2 rows. 

 9a. Pores in lateral line fewer than 37. 



10a. Pectoral rays 18 to 19; compressed teeth in upper jaw fewer 

 in number, see table 4. West Indies 



C. esculentus Poey (p. 253) 

 10b. Pectoral rays 17; compressed teeth in lower jaw more numerous, 

 see table 4. Philippines and East Indies. 



C macrocephalus, new species (p. 254) 

 9b. Pores in lateral line 37 or more. 



11a. Pectoral rays 19 to 21; origin of dorsal fin anterior to a vertical 

 line through pectoral fin tip. Japan. 



C. erebenniis (Jordan and Snyder) (p. 254) 

 lib. Pectoral rays less than 19. 



12a. Vertebrae less than 136, Philippines and East Indies. 



C. philippinus, new species (p. 255) 

 12b. Vertebrae more than 139. 



13a. Vertebrae more than 150, diameter of eye less than 1.50 

 percent of total length. New Zealand, South Australia. 



C. vei-reauxi Kaup (p. 257) 



13b. Vertebrae less than 147, diameter of eye more than 1.50 



percent of total length. 



14a. Origin of dorsal fin less than 50 percent of pectoral fin 



length behind pectoral fin tip; compressed teeth in 



upper jaw fewer in number (fig. 2). Western Atlantic 



on the United States coast. 



C. oceanicus (Mitchell) (p. 258) 



14b. Origin of dorsal fin more than 20 percent of pectoral fin 



length behind pectoral fin tip; compressed teeth in 



upper jaw more numerous (fig. 2). South Australia. 



C. wilsoni (Block and Schneider) (p. 256) 



