348 



ZIPHIID^. 



0. Teeth in the side of the lower jaw, compressed. Beak of sladl mhcylin- 

 drical, slender. Intermaxillaries linear, slender, rather swollen on the 

 sides of the Mowers. Ziphiina. 



5. BERARDIUS. 



Dorsal fln 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 jaw ; the two teeth of the same form as in ZipMus, but rather 

 smaller ; behind them a dental groove extends on the upper surface of 

 each mandibular branch. The maxiUaries have the commencement of 

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



Berardius, Duvernoy, Ann. 8ci. Nat. 1851, 51. t. ; Arch. Naturg. 

 1852, 62. 



Fig. 70. 



Skull of Berardius Arnvixii, from Duvernoy. 



Berardius Amuxii. 



Black, greyish near the genital organs. 

 Berardius Arnuxii, Duvernoy, Ann. Sci. Nat. 1851, 51. t. (skull) ; 

 Arch. Natury. 1852, 62. 

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

 Skull in Mu8. Paris, length 4 feet. 



6. 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, subcylindrical ; throat 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 



