13. MONODON. 311 



the growth of the animal and the other tooth, and the abortive tooth 

 remains imbedded in the jaw for life. — Trans. R. >Soc. Edinh. 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. 



Monodon monoceros, Lum. Faun. Suec. 2. 16; Syst Nat. i. 105; 



Schreb. Sdugeth. t. 330; Des7n. Mamm. 523; Fischer, Syn. 516; 



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



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



75; P. Z. S. 1864, 247; Roimeau, Mag. Zool. 1856,206 ; Malmgren, 



Arch. Nat. 1864, 91 ; Sow. Brit. 3fisc. t. ; Turton, B. Fauna, 15 ; 



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



fig. ; Nilsson, Skand. Fauna, 619. 

 Sea Unicorn, Sow. Brit. Misc. t. 9. 

 M. imicornu, Linn. Mm. Adolph. i. 52. 

 M. Narwhal, Blumenh. Handb. 137 ; Abbild. t. 44. 

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

 M. Audersonianus, Desm. Mamm. 789. 



Narwaliis Audersonianus, 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 . 8 ; 



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



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

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

 Unicornu Marmum, Wern. Mns. 282, 283. 

 Einhorn, 3Iartin, Spitzb. 94. 



Tachynices megacephalus, J. Brookes, Cat. 3fus. 40, 1828, 

 Narwhale, Jacob, Dublin Phil. Journ. 1825, 70. t. 2. f. 2. 

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

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



Lectures Comp. Anat. t. 42. f. 1 ; Cur. 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, 



h. Skeleton. Greenland. 



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



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



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



Museum, in inches and lines : — . i . , 



' m. 1. m. 1. 



Skull : Length, entire 21 6 20 6 . 



Length of nose 9 9 9 3 



Width of orbit 14 6 14 



Width of notch 8 7 9 



Width of intermaxUlaries ..30 36 



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

 separate, large ; rest very thin, separate, rudimentary. Skull ; length, 

 entire, 19 inches, of beak 8 a ; breadth at notch 7 inches. 



