60 U.S. NATIONAL MUSEUM BULLETIN 24 6 



Lagenodelphis hosei Fraser 



Lagenodelphis hosei Fraser, 1956, Sarawak Mus. Journ., 7(8, n.s.) : 478- 

 503 (name p. 496), fig. 1 (flipper bones), fig. 2 (skull), pi. 22 (skull), 

 pis. 23-24 (skeleton, teeth). 

 Type: Skeleton, British Museum (Natural History) no. 1895.5.9.1; 

 collected by C. Hose and purchased from Gerrard in 1895. 

 Type locality : Mouth of Lutong River, Baram, Sarawak. 

 Distribution : Known only from type locality. 



Genus LAGENORHYNCHUS Gray 



Lagenorhynchus Gray, 1846a, Ann. Mag. Nat. Hist., 17: 84 [type: 

 Lagenorhynchus albirostris Gray, by monotypyj: 1846b, Zoology of the 

 voyage of H. M. S. Erebus and Terror, 1 (Mammalia): 30, 34 [in- 

 cluded species: L. leucopleurus Rasch (— Z-. acutus Gray), L. albirostris 

 Gray, L. electra Gray, L. asia Gray (=L. electra Gray), L. acutus Gray]; 

 1866a, Proc. Zool. Soc. London, 1866: 216 [type species : L. albirostris]', 

 1866b, Cat. seals and whales Brit. Mus., p. 267 [review]. — Flower, 

 1884, Proc. Zool. Soc. London, 1883: 489, 511 [taxonomy].— True, 

 1889, Bull. U.S. Nat. Mus., 36: 83, 168 [taxonomy].— Winge, 1942, 

 Interrelat. Mamm. Gen., 3: 252, 286 [characters; classification; 

 probably includes Cephalorhynchus, Sagmatias, and perhaps Feresa]. — 

 Fraser and Purves, 1960, Bull. Brit. Mus. (Nat. Hist.), Zool., 7: 6 

 et seq., fig. 6 (table) [auditory system; classification]. 



Electra Gray, 1866a, Cat. seals and whales Brit. Mus., p. 268 [included 

 species: L. electra Gray (type by tautonomy), L. caeruleo-albus Meyen (= 

 Stenella coeruleoalbusb/Leyen), L. asia Gray, L. acutus Gray, L. clanculus Gray, 

 L. breviceps Gray, L. thicolea Gray; name preoccupied by Electra Lamour- 

 oux, 1816, a genus of Bryozoa]; 1866b, Proc. Zool. Soc. London, 1866: 

 216 [included species: L. electra Gray, L. asia Gray (==Z,. electra Gray), 

 L. acutus Gray]. — Nakajima and Nishiwaki, 1965, Sci. Rep. Whales 

 Res. Inst., 19: 65 [characters; regarded as generically distinct]. 



Leucopleurus Gray, 1866, Proc. Zool. Soc. London, 1866: 216 [subgenus 

 of Lagenorhynchus Gray; type species: Delphinus leucopleurus Rasch, by 

 monotypy] . 



Sagmatias Cope, 1866, Proc. Acad, Nat. Sci. Philadelphia, 18: 294 [type 

 species: Sagmatias amblodon Cope (= Lagenorhynchus cruciger Quoy and 

 Gaimard), by monotypy].— True, 1889, Bull. U.S. Nat. Mus., 36: 

 106 [characters]. — Kellogg, 1941, Field Mus. Nat. Hist., Zool. Ser., 

 27: 293 [characters; comparisons; synonym of Lagenorhynchus Gray]. 



Type species: Lagenorhynchus albirostris Gray, by monotypy. 



Distribution: Atlantic, Pacific, and Indian Oceans, from Greenland, 

 northern Russia, Alaska, and Japan to pack ice in the Antarctic. 



Lagenorhynchus acutus Gray 

 Delphinus {Grampus) acutus Gray, 1828, Spicilegia Zoologica, 1: 2. 



