HYPEROODON. 81 



1. Skeleton, young male, articulated, maxillary crests rela- 



tively slender. Referred to by Wm. Thompson in 



Ann. Natural Hist, vol. xvii., 1846. See Plate V. 

 Manus figured in Plate X. 



Alloa, October 184.5. Goodsir Collection. 



[No. 2 to No. 19 are from the Turner Collection.] 



2. Skeleton, young female, articulated, with dorsal fin in 



situ, pelvic bones present, maxillary crests relatively 

 slender. Vertebral formula C7D9LCd29 = 45. The 

 animal is described by Turner in Proc. Roy. Physical 

 Soc, Edinburgh, vol. ix., 1886. See Plate I. 

 Dunbar, November 1885. 



3. Skull, aged male, with broad, high, massive maxillary 



crests ; beak and mandible wanting. See Turner, 

 Proc. Roy. Physical Soc, Edinburgh, 1889, vol. x. 

 Hole of Scraada, Shetland, March 1883. 



Donor — John Anderson, Esq. 



4. Skull, aged male, with broad, high, massive maxillary 



crests, also mandible. Length of skull 6 feet 2 inches, 

 breadth 3 feet 5 inches ; length of beak 3 feet 9 inches, 

 breadth 1 foot 6] inches ; crests much higher than 

 the vertex cranii, breadth 8^ inches, length 3 feet, 

 narrowest diameter of intermediate cleft f inch ; 

 pterygoids large, 21 inches long, conjoined breadth 

 8f inches, articulating mesially ; length of mandible 

 5 feet; length of symphysis 20 inches. See figure 

 below. J. E. Gray, in Zoology of Voyage, Erebus and 

 Terror, 1846, regarded skulls with massive crests as a 

 distinct species, Hyperoodon latifrons. 

 North Atlantic, 1889. 



Donor — Dr Robert Gray, Peterhead. 



