GENUS TIJK8I0. 



Tabic of iHcasioxinciits— Cautiuued. 



( ( 



Labeled Clymenia alope. 



0. TUESIO Wagler. 



Tm-sio, Wagler, Nat. Syst. Ainpliib., 1830, p. 34. 

 Lcucorliamphits, Lilljeborg, Upsala Uuiv. Arsskrift, 18G1, p. 5. 



Professor Flower {List., p. 497) is inclined to believe tbat the finloss 

 dolphins on which this geuns is erected may prove to belong to Pro- 

 (k'Ipltinus. Until the skeleton is obtained it will be impossible to de- 

 cide whether this view is correct or otherwise. The skull in the National 

 Museum (No. SIGO, obtained by Mr. Dall), however, which is known to 

 be that of a tinless dolphin, presents certain characters which make it 

 probable that this genus has claims to recognition equally with Likjciw- 

 rhynchus, Prodelphinns, and other genera of the family. 



In the skulls in the College of Surgeons, Loudon, and the National 

 .Aluseum, respectively^, and in that figured in the Odeographie (PI. 

 XXXVIII, figs. 3 and 3rt) the pterygoids are apart at their base, and, ex- 

 cept in the first mentioned, throughout their entire length. In an adult 

 skull ill the Berlin INIuseum from Yeddo, Jai)an, collected by Dr. Ilil- 

 gendoif, the pterygoids are long ami are not in contact distally. If, 

 when more specimens have been accumulated, this character is found 



