348 



ZTpnirn.T:. 



C. Teeth in the aide of the lower j(iii\ cnmprf.ixed licul; of sjtull xuhcijUii- 

 (Irictil, sleiiiler. Inter nia.n7/iiries linear, slender, rather swollen on the 

 sides of the hloiocrs. Ziphiina. 



5. BEEARDIUS. 



Dorsal fin large, with a larger boss in front of it. The skull like 

 a Dolphin's, with frontal portion elevated. Teeth 2 . 2, strong, tri- 

 angular, compressed, vertically implanted at the extremity of the 

 lower jaAV; the two teeth of the same form as in ZIphius, but rather 

 smaller ; behind them a dental groove extends on the upi)er surface of 

 each mandibular branch. The maxilla ries have the commencement of 

 the prominences which are found so large in the genus Hyperoodon. 



Eerardius, Diivernoi/, Ann. Sci. Nat. 1851, 51. t. : Arch. Natnrq. 



1852, 02. 



Fifj. 70. 



Skull of Berardius Arnnxii, from Duvernoy. 



Eerardius Arnuxii. 



Black, greyish near the genital organs. 



Berardius Arnuxii, Duvernmj, Ann. Sci. Nat. 1851,51. t. (skidl); 

 Arch. Naturf/. 1852, G2. 



Inhab. New Zealand, Port of Akaroa, 1846. Length 32 feet. 

 Skull in Mus. Paris, length 4 feet. 



(). ZIPHIUS. 



Head contracted behind ; nose produced, not separate from the 

 forehead ; eyes moderate ; blowers on crown, lunate ; teeth in the 

 middle of the lower jaw of male, two, large, compressed ; of female 

 two or three, small, subcylindrieal ; tliroat with two diverging fur- 

 rows ; body elongate; pectoral fins small, low down, oval, tapering; 

 dorsal falcate, behind the middle of the body. Skull with nose elon- 

 gated, produced, keeled on each side ; skull-cavity small ; forehead 



