Surg. Ko. 2822) ; it is noticed by the writer in the ' Quart. 

 eTourn. Geol. Soc.' vol. sliii. p. 12. Furchased, 1865. 



M. 3519. The imperfect left tympanic, agreeing with the last speci- 

 men and also with the one figured by Yan Beneden in the 

 'Ann. Mus. E. Hist. T^at. Belg.' vol. vii. pt. 3, pi. Ixxviii. 

 fig. 7; from the Antwerp Crag. Btf exchange ivitli the 



Royal Brussels Museum of Natural History^ 1886. 



48977. The left periotic ; from the Eed Crag of Woodbridge. This 



specimen agrees precisely with the one figured by Yan 



^ Beneden, op. cit. pi. Ixxviii. fig. 18. Purchased, 1875. 



Balsenoptera, sp. 



The following specimen apparently indicates a form allied to 

 B. emarginata, but of rather smaller dimensions. 

 Mab. Australia. 



M. 3505. The much- rolled imperfect left tympanic ; from Tertiary 

 (? Miocene) strata at Cheltenham, Yictoria. The length 

 of this specimen is 0,078 : it difiers from any of the tym- 

 panies figured by M'Coy in the ' Prodromus of the Palaeon- 

 tology of Yictoria' (Geol. Surv. Yictoria), dec. vi. pi. liv. 

 (1879) under the name of Cetotolites, which apparently 

 belong to Cetotherium. Purchased, 1886. 



Balsenoptera (?) juddi, Seeley \ 



The generic position of this comparatively small species must be 

 regarded as uncertain. 

 Mab. England. 



III. 133. The eighth (?) caudal vertebra ; from the Upper Eocene 

 (Fig.) (Lower Oligocene) Brockenhurst beds of Roydon, Hamp- 

 shire. This specimen is the type, and is described and 

 figured by Seeley in the ' Quart. Journ. Geol. Soc' 

 vol. xxxvii. pp. 709-712, figs. 1-3. 



Presented by Prof. J. W. Judd, 1881. 



Balaenoptera (?), sp. 



The following specimen, which is only provisionally referred to 



^ Quart. Journ. Geol. Soc. vol. xxxvii. p. 709 (1881). 



