Benham. — On a Young Rorqual. 151 



size of bird, as we know from the extraordinary disproportion 

 between the great egg and the small body of the kiwi ; but I 

 think we may go so far as to say that this egg was laid by 

 either E. ponderosus or E. elephantopus. 



Bibliography. 



Enys, J. D. : Trans. N.Z. Inst., iv., 1871, p. 403. (Dis- 

 covery of the Kaikoura egg.) 



Hector, Sir J.: Proc. Zool. Soc, 1867, p. 991; Trans. 

 N.Z. Inst., iv., 1871, p. 110, also p. 363, pi. iv. (Egg with 

 remains of embrvo.) 



Hutton, F. W. : Trans. N.Z. Inst., iv., p. 166. (Micro- 

 scopical structure.) 



Liversidge : Trans. N.Z. Inst., xiii., p. 225. (Analysis.) 



Nathusius: Zeit. f. Wiss. Zool., 1871. 



Newman : Zoologist, 1886, p. 34. (Account of the Kai- 

 koura egg.) 



Owen : Extinct Birds of N.Z., vol. i., p. 317. 



Eowlev : Ornithol. Miscell., hi., 240. 



EXPLANATION OF PLATE VII. 

 Photograph of raoa's egg (reduced). 



Art. XII. — -An Account of the External Anatomy of a Baby 

 Rorqual (Balaenoptera rostrata). 



By W. Blaxland Benham, D.Sc, M.A., F.Z.S., Professor 

 of Biology in the University of Otago. 



[Read before the Otago Institute, 11th June, 1901.] 



On Monday, 6th August, 1900, I was informed that a "young 

 whale, about 12 ft. long, had been cast ashore on the beach 

 outside the Otago Heads." It was offered to me for a sum of 

 money, and I arranged to purchase it. It turned out to be a 

 young rorqual, about 10 ft. long overall, in excellent condition, 

 the skin being damaged here and there, partly from being 

 handled no doubt, partly from being cast ashore. On Tues- 

 day I had photographs taken of it in various positions, and, 

 with the help of Mr. Hamilton, made measurements and 

 observations on its outer anatomy. On Wednesday I had a 

 mould taken of it, and was able to commence dissection on 



