398 N0TIDANID.T2. 



(/. Youup; : stuffed. From Mr. Yarrell's Collection. — Spotted with 



black. 

 e. Jaws of spec. a. 



fi. Crill- openings seven : Ileptanchus. 



2. Notidanus cinereus. 



Perlon, Brouss. Ac. Sc. 1780, p. 668 ; Lacfp. i. p. 220. 



Squalus cinereus, Gm. L. i. p. 1497; BI. Schn. p. loS ; Risso, Ichtli. 



Nice, p. 24. 

 Monopterliinus cinereus, Blainv. Faun. Fr. p. 80. 

 Notidanus cinereus, Cuv. Regtie Anim. ; Bonap. Faun. Ital. Fesc. 

 HeptancLus cinereus, {Rujin.) Miill. (^ Henle, p. 81, tab. 35. fig. 3 



(teetb) ; DmnSril, Elasmohr. p. 432. 

 Ileptaucus angio, Costa, Faun. Nap. Chondrott. p. 5, tav. 13, and 



tav. 14. fig. 3. 



Snout produced and pointed ; cleft of the mouth nearly as long as 

 broad. Anal fin as long as, but lower than the dorsal ; two-thirds 

 of the dorsal are in advance of the anal. No single median pointed 

 tooth in the upper jaw ; the lower median tooth with a strong cen- 

 tral cusp. The first cusp of the lower teeth is much longer than the 

 others, and has one or two additional small cusps at its base. 



Mediterranean and Atlantic. 



a. Fine half-grown female. Nice. From Dr. Deakin's Collection. 

 b-c. Half-grown female and several foetus. Madeira. Presented 

 by J. Y. Johnson, Esq. 



d. Adult male : stuffed, 7 feet long. From the Antarctic Expe- 



dition. 



e. Head : dried. Madeira. From the Collection of the Zoological 



Society. 



3. Notidanus platycephalus. 



Squalus platycephalus, Tenore, 3Iem. Accad. Pont. i. 1809, pp. 241, 



258. 

 Ileptanchus platycephalus, Costa, Faun. Nap. Chondrott. p. 12, 

 tav. 14. 

 Snout short and obtuse. No single median pointed tooth in the 

 upper jaw ; the lower median tooth with a central cusp. The first 

 cusp of the lower teeth is much longer than the others, and has not 

 any additional cusps at its base. (Costa.) 

 Mediterranean. 



4. Notidanus indicus. 



Notidanus indicus, Cuv. Regne Anim. ; Aqass. Poiss. Foss. iii. pp. 92, 



217, tab. E. fig. 1 (teeth). 

 Ileptanchus indicus, 3Ii(ll. & Henle, p. 82, pi. 32 (teeth not good) ; 



ISclde,/. Faun. Japan. Poiss. p. 303 ; Dumeril, F/asmob?: p. 434 : 



Mardonald c)- Barron, Proc. Zoo/. Soc. 1868, p. 371, pi. 33. 

 Notorhj-nchus maculatus. Ay res, Proc. Calif. Ac. Nat. Sc. i. p. 72 ; 



Gill. Proc. Ac. Nat. Sc. Philad. 18G2. p. 495. and 1864, p. 149. 



