ZIPHIUS. MESOPLODON. BERARDIUS. 23 



46. Ziphius grebnitzkii Stejneger. 



Ziphius grebnitzkii Stejneger, Proc. U. S. Nat. Mus., 1883, p. 77. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, Suppl., 

 p. 480. Zool. Ser. 

 Grebxitzky's Two-toothed Sperm Whale. 

 Type locality. Bering Island, Bering Sea. 

 Geogr. Distr. Bering and adjacent northern seas. 



Genus 23. >Ie8<>]>l<>tl<>ii. 



Mesoplodon Gerv., Ann. Scien. Nat. Paris, 1850, 3d Ser., xiv, p. 16. 

 Zool. Type Delphinus sowerbieiisis Blainville = Physeter bidens 

 Sowerbv. 



47. Mesoplodon bidens (Sowerby). 



Physeter bidens Sowerby, Brit. Miscell., i, 1804, p. i. 



Delphinus sowerbyi Blainv., Nouv. Diet. Hist. Nat., ix, 181 7, 



p. 197. 

 Delphinus sowerbiensis Blainv., Nouv. Diet. Hist. Nat., ix, 1817, 



p. 197. 

 Delphinus epido)i Desm., Mamm., 182 1, p. 521, No. 786. 

 Dauphindo dale Blainv., Bull. Soc. Philom., 1825, p. 139, desc. 

 Delphinus niicropterus Cuv., R^gn. Anim., 1829, p. 288. 

 Mesoplodon bidens Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



II, 1901, p. 18. Zool. Ser. 

 Sowerby's Sperm Whale. 



Type locality. Coast of Elginshire, England. 

 Geogr. Distr. North Atlantic Ocean. 



48. Mesoplodon stejnegeri True. 



Mesoplodon stejnegeri True, Proc. U. S. Nat. Mus., 1885, p. 384, 



pi. 25. 

 Balcenoptera stejnegeri Elliot, Syn. N. Am. Mamm., F. C. M. 



Pub., II, 1901, p. 14. Zool. Ser. 

 Stejneger's Sperm Whale. 



Type locality. Coast of the Commander Islands. 

 Geogr. Distr. Bering Sea. 



Genus 24. Berardius. 



Berardius Duvernoy, Ann. Scien. Nat. Paris, 3me Ser., Zool., xv, 

 1851, p. 41. Type Berardius arnuxii Duvernoy, 



