3. MEGAPTERA. 4. BALiXOPTERA. 5 



It is uncertain whether all the following specimens of Megaptera 

 should be referred to one species or to several. If more than one, 

 their distinctive characters have not been as yet clearly defined. 



a. Articulated skeleton ; nearly adult. (792 6.) 



Greenland. Professor Eschricht [Purchased]. 



h. Skull with the baleen. (792 a.) 



Greenland. Professor Eschricht [Purchased], 



c. Skull ; young. 



d. Skull and portions of skeleton, including the cervical and dorsal 



vertebra?, ribs and scapula ; adult. 



California. Eeceived in exchange from Dr. Hector. 



These were mixed, when they arrived, with the bones of several 

 other individuals ; it is therefore not absolutely ceitain that they 

 all belong to the same animal. 



e. Skull: young. (146S c?— 76. 2. 15. 1.) 



Xew Zealand. TTellington Museum, 1S76 [E.]. 



Labelled by Dr. Gray " Megaptera novce-zealanditw." 



f. Eight tympanic bone ; mutilated. (52. 1. 23. 10.) 



Purchased, 1852. 



g. Left tvmpanic bone. 



" Mr. Widdop." 



7i. Plight tympanic and periotic bones. (1-46S a.) 



Otago, Xew Zealand. Mr. Stuart [P.]. 



T\*pe of Jf. novce-zealandice. Gray ; described and figured P. Z. S. 

 1864, p. 207, and Cat. S. & W. (1866) p. 128, fig, 20, 



i. Right and left tympanic bones, (1468 b & c— 56. 4. 6. 1.) 



Xew Zealand. J. Dobson, Esq., 1856 [P.], 



j. Foetus. In spirit, (46. 10. 27. 6.) 



Greenland. 



4. bal5:noptera, 



1. Balsenoptera inusculus. 

 (Common Piorqual, or Fin-Whale.) 



Baliena pbvsalus and Balaena musculus, Limi. Si/sf. Xat. ed. 12, i, 



p. ]0i3(l'766). 

 Balaena physalus, Fabricius, Fauna Grcerilaiidica, p. 35 (1780). 

 Balfeuoptera rorqual. Lacepede, CeUices, pp. xxxvii & 126 (1804). 

 Balfena antiquorum, Fischer, Syn. Mamm. p. 525 (1829). 

 Balsenoptera musculus (Linn.), Companyo, Mem. df scrip, de la 



Baleine echcuee pres de St.- Cyjyrien , -p. 23 (1830): Van Beneden 



and Gervais, Osteog. Ceiaces, p. 167 (1869-80), and most modern 



authors. 

 Balfenoptera phvsalus (Linn.), Gray, Zool. Ereh. 4" Terr. p. 13 



(1846\ 

 Phvsalus antiquorum^, Gray, P. Z. S. 1847, p. 90. 



