SYNOPSIS OF THE ARRANGEMENT OF FISHES. 195 



5. Sub-family Cephalinje. — Body oval or orbicular; the 

 three hinder fins united. 



Pedalion. Body oblong, truncate ; jaws acuminated. 

 Orthagoriscus. Body nearly orbicular, granulated. 

 Molacanthus. Body armed with spines. 

 Cephalus. Body oblong ; skin hard, with angular compartments. 



Familt 2. CHIRONECTID^. 



Body compressed, naked, frog-like ; eyes and mouth generally 



vertical, 



Chironectes. Body compressed, smooth ; dorsal fin long, 

 entire, or divided. 



Malthe. Body broad, depressed, armed with tubercles ; 

 tail compressed. 



Family 3. LOPHID^. 

 Head enormous, nearly flat ; pectorals pedunculated. 



LoPHius. Mouth with numerous cirri ; detached rays on the 

 head. 



Family 4. SYNGNATHID^. 

 Body mailed, angulated ; snout tubular ; mouth vertical. 



Syngnathus. Body linear, very long ; dorsal fin single. 



Syngnathus. With small pectoral and caudal fins ; tail long. 

 Acus. Pectoral and caudal fins wanting ; no sub-caudal pouch. 

 Solegnathus. With pectoral and anal fins, but no caudal ; tail short. 



Hippocampus. Belly and crown deep. 



Hippocampus. No ventral or caudal fins. 



Solenostoma. Two dorsal fins ; caudal fin large, pointed. 



Pegasus. Mouth placed beneath; body depressed; ventrals 

 small. 



Order V. APODES. 



Body anguilliform ; ventral fins wanting ; branchial aperture 



spiraculated. 



Family 1. MUR^NID^. 



Body snake-like ; scales none, or very small, enveloped in the 

 skin ; spiracles lateral, one on each side. 



Anguilla. With pectoral fins. 



Anguilla. Spiracle beneath the base of the pectoral ; nostrils tubular. 



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