3M MAMMALIA. 



Balaenoptera blythi. 



Balaenoptera blythi, Anderson Anat. Zool. Res., p. 564 (1878). 

 Distribution. — ? Bay of Bengal. 



a. 4 Vertebrae ? Bay of Bengal Medical College [Ex.], 1879. 



I rib 



[Type of Balaenoptera blythi, Anderson.] 



Balaenoptera edeni. 



Balaenoptera edeni, Anderson Anat. Zool. Res., p. 551, pi. xliv (1878). 

 Distribution. — Only known from the Bay of Bengal. 



a. Skeleton mted., '^ 



ribs and oAe pec- f Thaybyoo Choung, Gulf Sir A. Eden and Major 

 toral arch re- C of Martaban, Burma. Duff, 



stored in plaster. ) 



[Type of B. edeni, Anderson.] 



b. Skeleton al- Sidhi Isle, Noakholly C. E. F. Tonnerre. 



most com- Dist., 1-90. 

 plete. 



c. SkuII Arakan Coast (Prof. Medical Coll. Mus. [Ex.] 



Walker). 



Genus PHYSETER. 



Physeter, Linnaus Syst. Nat., 12th ed., i, p. 107 (1766). 



Physeter macrocephalus. 



Physeter macrocephalus, Z,/«M^MS Syst. Nat., 12th ed., i, p. 107 (1766); 

 Blyth J. A. S. B., xxix, p. 452; Blyth Cat. no. 287, p. 93; Flower Trans. 

 Zool. Soc, vi, p. 309, pis. Iv, Ivi ; Flower List Cetacea B. M., p. 8. 



The Cachalot or Sperm Whale. 



Distribution. — The temperate seas of the Northern and Southern 

 Hemispheres ; it has been recorded (Blyth I.e.) from the seas round 

 Ceylon and the Malabar Coast ; and a specimen about 24 feet 

 long was washed ashore at Madras in January 1889, ^^e skull 

 of which has been preserved in the Madras Museum; the lower 

 jaw contained 23 functional teeth and above imbedded in the gum 

 were 12 rudimentary teeth on either side. 



