156 U.S. NATIONAL MUSEUM BULLETIN 2 46 



Balanoptera microcephala Gray, 1850, Cat. Mamm. Brit. Mus., Cetacea, 

 p. 32 [Brandt ms. name in synonymy of Balaenoptera rostrata]. 



P[terobalana] N[ana] pentadactyla Barkow, 1862, Das Leben der Walle . . . 

 pp. 5-17 (name p. 17) [type locality: unknown; type a skeleton in 

 Breslau Museum]. — Gray, 1866, Cat. seals whales Brit. Mus., pp. 193— 

 194 [type skeleton a composite of a Balaenoptera rostrata with forelimbs 

 of a Balaena (type here restricted to main part of skeleton)]. 



Pterobal ana pentadactyla, Flower, 1865, Proc. Zool. Soc. London, 1864: 394, 

 ftn. [genuineness of type skeleton doubtful]. 



P[terobalana] N\ana] tetradactyla Barkow, 1862, Das Leben der Walle, p. 17 

 [new name for P. minor Eschricht]. 



Balanoptera boncerensis Burmeister, 1867a, Actas Soc. Paleo., Buenos 

 Aires, p. xxiv [S. Atlantic: Argentina (type locality: near Belgrano, 

 Buenos Aires)]; 1867b, Anal. Mus. Publico, Buenos Aires, 1: 310 

 [S. Atlantic: Argentina (type locality: near Belgrano, Rio de La 

 Plata at mouth of Riachuelo Medrano); type a complete skeleton, 

 Museo Publico de Buenos Aires]; 1868, Proc. Zool. Soc. London, 

 1867: 707, fig. 1 (atlas), fig. 2 (cervical vertebrae), fig. 3 (sternum) 

 [S. Atlantic: Argentina (near Belgrano, Buenos Aires); type skeleton in 

 Buenos Aires Museum; type description]; 1872, Ann. Mag. Nat. 

 Hist., (4), 10: 413 [characters]; 1881, Erlaut. Fauna Argentina, p. 3, 

 pis. 2, 5 (skull), pis. 3, 4, 6, 7 (postcranial bones) [characters]. — 

 Figueira, 1894, Anal. Mus. Nac. Montevideo, 2: 12 (separate) [S. 

 Atlantic: Argentina (Rio de La Plata from mouth to La Colonia)]. — 

 Lahille, 1899, Primera reunion del Congreso Latinoamericano, 3: 197; 

 1905, Rev. Jardin Zool. Buenos Aires, 1905, p. 74 [S. Atlantic].— 

 Williamson, 1959, Proc. Zool. Soc. London, 133, (1), pi. 1, fig. 1 

 (animal); pi. 1, fig. 2 (head); pi. 2, fig. 1 (baleen); pi. 2, fig. 2 (animal) 

 [62° S., 50° E.; 61° S., 50° E.; 58° S., 03° W.; characters; comparisons; 

 food; possibly a race of acutorostrata; huttoni Gray a synonym]; 1961, 

 Norsk Hvalfangst-tidende, 50(4): 133, figs, (same as in preceding 

 citation) [characters; comparisons; conclusions (same as in preceding 

 citation)]. 

 Balaenoptera bonaerensis, Kasuya and Ichibara, 1965, Sci. Rep. Whales 

 Res. Inst., 19: 37, figs. 2, 3 (animals), fig. 5 (baleen) [Antarctic; char- 

 acters; variation; comparisons with B. acutorostrata]. 

 Balaenoptera acutorostrata bonaerensis, Deraniyagala, 1960, Spolia Zeylanica, 



29: 84 [Indian: Ceylon]. 

 Balanoptera Davidsoni Scammon, 1872, Proc. California Acad. Sci., 

 4: 269 [N. Pacific: U.S.A. (type locality: Admiralty Inlet, Puget 

 Sound, Washington); type skull in U.S. National Museum, no. 12177, 

 Collected October 1870 by C. M. Scammon]. 

 Balaenoptera acutorostrata davidsoni, Tomilin, 1957, Animals of eastern 



Europe and northern Asia, 9: 274 [a weakly defined subspecies]. 

 B[alaenoptera] a[cutorostrata] davidsoni, Norris and Prescott, 1961, Univ. 



