104 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Conger vulgaris, Cuv. (Day, vol. II., p. 250, pi. CXLIL). 

 The conger. 



Order LOPHOBBANCHIL 

 Strong bony plates covering surface ; with a long 

 snout having the small toothless mouth at its end ; gills 

 in little tufts ; air bladder with no duct. 



Family Syngnathid^e — pipe fishes. 

 Siphonostoma typlile, Linn. (Day, vol. II., p. 257, 



pi. CXLIV.). The broad-nosed pipe fish. 

 Syngnathus acus, Linn. (Day, vol. II., p. 259, pi. 



CXLIV.) . The great pipe-fish. 

 Nerophis lu??ibriciformis, Willughhy (Day, vol. II., p. 263, 

 pi. XLIV.). The worm pipe-fish. 



Sub-class II.— GANOIDEI. 



With bony plates on the surface of the body. One 

 actual gill opening on each side under gill cover. Air 

 bladder with duct. Spiral valve. 



Family AciPENSERiDiE. 

 Acipenser sturio, Linn. (Day, vol. L, p. 280, pi. CL.). 

 The sturgeon. 



Sub-class III.— ELASMOBKANCHIL 



Sharks, Dogfish, Kays and Skates. 



With a cartilaginous skeleton and an unevenly lobed 

 tail. The gills are in separate pouches opening by separate 

 gill slits on the sides or lower surface of the throat, there 

 is no gill cover ; no air bladder. The eggs are large and 

 few in number. The large mouth, armed with numerous 

 teeth, is on the lower surface of a prominent snout. 



