VERTEBRATA. 



Vertebrated Animals. 



No. 4. 

 GADUS MORKHUA. 



COMMON COD. 



Morrhuce Oleum. 

 The animal substance. A medicinal agent. 



Cod- Liver Oil. 



Geog. Position. Banks of Newfoundland. North Atlantic. 

 Quality. Noxious. 

 Power. Alterative, nutritive. 

 Use. Chronic rheumatism, scrofula, gout, &c. 



SCIENTIFIC ANALYSIS. 



Natural Classification. 

 5. DIVISION Verlebrata. CLASS Pisces. 



Cuvier, Regne Animale, II. 212. Syst. Nat. Gmelin, I. 1162. Ballard and 

 Garrod, Mat. Med. 451. Jones, An. King. 513. Pereira, Mat. Med. II. 804. 

 Thomson, Mat. Med. 1081. U. S. Disp. 506. Wyatt, Nat. Hist. 93. EC. Disp. 

 U. S. 276. 



GENUS GADUS. 

 Huile de morue (Fr.). Stockfisch leberthrun (Ger.). 



THE ESSENTIAL CHARACTERS. 

 Skull and vertebral column for the protection of the brain and 



spinal marrow. 

 Blood red, cold. Respiring by gills or branchiae, and moving 



in the water by the aid of fins. 

 Ventrals attached under the pectorals. 

 Pelvis immediately suspended to the bones of the shoulder. 



THE SECONDARY CHARACTERS. 



GADUS. Ventrals sharp, pointed, attached under the throat. 

 Body compressed, slightly elongated, covered with soft scales. 

 Head without scales. Fins soft. Jaws and front of the vomer 

 armed with unequal pointed teeth in many rows. Branchice 

 large, with seven rays, two or three dorsal fins, one or two 

 anal, and a distinct caudal. 



THE SPECIFIC CHARACTERS. 



GADUS MORRHUA. Three dorsal fins. Two anals. A cirrus 

 at the point of the lower jaw. 



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