13. MONODUN. 311 



the gi'owth of the animal aud the other tooth, and the abortive tooth 

 remains imbedded in the jaw for life. — Trans. R. Soc. Edinb. ii. 413. 

 The spike of the female protruded, but shorter than usual in the 

 male. — See Linn. Trans, xiii. 620, and Brown, Proc. Phys. Soc. 

 Edinb. ii. 447. 



Monodon monoceros. The Narwhal. 

 Black ; when old, whitish-marbled. 



Mouodon monoceros, Linn. Faun. Suec. 2. 16; Syst. Nat. i. 105; 



Schreb. Siiugeth. t. 330; Desm. Mamm. 523; Fischer, Syn. 516; 



Scoresbi/, Arct. Req. i. 486, iii. t. 12. f. 1, 2 ; Fleming, Mem. Wern. 



Soc. i. 146. fi^. ; Gray, Zool. E. <^ T. 29 ; Cat. Cetac. B. M. 1850, 



75; P. Z. S. 1864, 247; Roitsseau, Mag. Zool. 1856,206; Mulmgren, 



Arch. Nat. 1864, 91 ; Sow. Brit. Misc. t. ; Turton, B. Fauna, 15 ; 



Fleming, B. A. 37 ; Jenyns, Man. 43; Bell, B. Quad. 500. fig., 505. 



tig. ; Nilsson, Skand. Fauna, 619. 

 Sea Unicorn, Sou\ Brit. Misc. t. 9. 

 M. unicornii, Linn. 3Iw<. Adoljih. i. 52. 

 M. ^^arwhal, Bhnnenh. Ilundb. 137 ; Abbild. t. 44. 

 M. microcephalus, Desm. 3Iamm. 789 ; Fleming, Wern. Mem. i. t. 

 M. Andersoiiianus, Desm. Blamm. 789. 



Narwalus Andersonianus, Lacep. Cet. 163; Desm. N. D. H. N. 217. 

 N. microcephalus, Lacep. Cet. 163. t. 5. f. 2. 

 N. vulgaris, Lacep. Cet. 142. t. 4. f. 3, from Klein. 

 Narwhal, Klein, Miss. Pise. ii. 18. t. 2. f. c, cop. Lacep. t. 4. f . 3 ; 



Anderson, Iceland, 225. fig. ; Schlegel, Abhundl. 35 ; Cuvier, Oss. 



Foss. V. 311. t. 22. f. 1. 

 Unicom Narwhal, Shaiv, Zool. ii. 473. t. 225. 

 Unicornu Marnmm, Wern. Mus. 282, 283. 

 Einhom, Martin, Spitzb. 94. 



Tachvnices megacephalus, J. Brookes, Cat. Mus. 40, 1828. 

 Nai-whale, Jacob, Dublin Phil. Journ. 1825, 70. t. 2. f. 2. 

 NarwaU's Teeth, Berthold; Miiller, Arch. f. Anat. v. 386. t. 10. f. 7, 8. 

 OsTEOL. Camper, Cet. t. 29, 31 (skull) ; Albers, Icon. t. 2, 3 ; Home, 



Lectures Conip. Anat. i. 42. f. 1 ; Ctiv. Oss. Foss. v. t. 22. f. 7 ; Anton, 



Osteol. ix. t. 6 ; Jacob, Dublin Phil. Journ. 1825, t. 2. f. 2. 



Inhab. North Ocean, Scotland. 



a. The tooth. 



b. Skeleton. Greenland. 



c. Skull, female, not in a good state. 



The following are the measurements, 1st, of a skull in the Eoyal 



College of Surgeons, and, 2nd, the female skull (c.) in the British 



Museum, in inches and lines : — • , • , 



' in. I. in. I. 



Skull : Length, entire 21 6 20 6 



Lengtli of nose 9 9 9 3 



AVidth of 01-bit 14 6 14 



Width of notch 8 7 9 



AVidth of intermaxillaries ..30 36 



The skeleton in Mus. Hull. Cervical vertebrae : first and second 

 separate, large ; rest very thin, separate, nidimcntary. Skull : length, 

 entire, 19 inches, of beak 84 : breadth at notch 7 inches. 



