41 



Surg. No. 2822) ; it is noticed by the writer in the ' Quart. 

 Journ. Geol. Soc.' vol. xliii. p. 12. Purchased, 1865. 



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

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

 ' Ann. Mus. R. Hist. Nat. Belg.' vol. vii. pt. 3, pi. Ixxviii. 

 fig. 7 ; from the Antwerp Crag. By exchange with the 



Royal Brussels Museum of Natural History, 1886. 



48377. The left periotic ; from the Red Crag of Woodbridge. This 

 specimen agrees precisely with the one figured by Van 

 Beneden, op. tit. pi. Ixxviii. fig. 18. Purchased, 1875. 



Balsenoptera, sp. 



The following specimen apparently indicates a form allied to 

 B. emaryinata, but of rather smaller dimensions. 

 Hab. Australia. 



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

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

 of this specimen is 0,078 ; it differs from any of the tvm- 

 panics figured by M'Coy in the ' Prodromus of the Paleon- 

 tology of Victoria' (Geol. Surv. Victoria), 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. 

 Hab. England. 



M. 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. 



Balsenoptera (?), sp. 



The following specimen, which is only provisionally referred to 



1 Quart. Journ. Geol. Soc. vol. xxxyii. p. 709 (1881). 



