36 



d. An entire right radius. Leith Adams, ' Trans. R. I. Acad. ' 

 vol. XXVI, p. 213. This specimen is important as proving the 

 existence of a different individual from the one to which the pre- 

 ceding series belonged. 1 Presented by Prof. Harkness. 



II. From various Pleistocene deposits. 



e. An entire tusk; from Siberia. Purchased 1890. 



f. Three imperfect tusks ; from Siberia. 



g. Seven imperfect molars ; from various localities. 



h. Four imperfect milk-molars from Kent's Hole, Devonshire. 



ORDER CETAGEA. 



FAMILY BAL^NID^. 



BAL^NA PRIMIGENIA. 



Van Beneden, Bull. Ac. R. Belg., ser. 2, vol. XXXIV, p. 9 

 (1872). 



a. The right tympanic bone; from the Red Crag of Suffolk 

 (No. 62). 



BAL^ENA INSIGNIS. 



Balsenotus insignis. Van Beneden, op. cit., p. 13. 



a. A right tympanic, probable referable to this species; from 

 the Red Crag (No. 63). 



b. A periotic bone, belonging to this or an allied species ; from 

 the Red Crag. 



BALAiNOPTERA BOREALINA. 



Van Beneden, Bull. Ac. E. Belg., s6r 2, vol. L, p. 15 (1880). 

 a. The right tympanic (imperfect) ; from the Red Crag of Suffolk. 



BALjENOPTERA EMARGINATA. 



Balaena emarginata, Owen, Proc. Geol. Soc, vol. IV, p. 283 

 (1843). 



a. The imperfect right tympanic ; from the Red Crag (No. 64). 



b. The imperfect left tympanic ; from the Red Crag. 



