46 Mr. C. T. Regan on the 



1. Squalus fei'nandinus. 



Squnlus fernandinus, Molina, Hist. Chil. p. 393 (1788). 

 Acanfhi'as vulgaris (part.), Giinth. Cat. Fish. viii. p. 418 (1870). 

 Acatifhias lebruni, Vaill. Miss. Sci. Cap Horn, Poiss. p. 13, pi. i. fig. 2 

 (1891). 



Very closely allied to «S'. acanthias, but with a .shorter 

 snout, the praeoral length equal to or less than the distance 

 from eye to first gill-opening, the praeocular length equal to 

 the distance from anterior edge of eye to spiracle (more in 

 S. acanthias, except in young examples). Dorsal fin-spines 

 higher and spots on the body larger than in 8. acanthias. 



tiab. Southern Australia and Tasmania ; New Zealand ; 

 Chile and Patagonia. 



In the British Museum three specimens^ 550 to 800 mm. 

 in total length, from Tasmania, appear to belong to the 

 species described and figured by Vaillant from Magellan. 

 Records of S. acanthias from New Zealand doubtless refer to 

 this species. 



2. Squalus acanthias. 



Squalus acanthias, Linn. Syst. Nat. i. ed. 10, p. 233 (1768), and ed. 12, 



p. 397 (1766) ; Jord. & Everm. Bull. U.S. Nat. Miis. xlvii. 1896, 



p. 54. 

 Spinnx acanthias, Cuv. Regue Anim. ii. p. 130 (1817) ; Bonap. Faun. 



Ital., Pesc. fasc. 8 (1834). 

 Acanthias vulgaris, Risso, Eur. M6rid. iii. p. 131 (1826) ; Miill. & 



Henle, Plagiost. p. 83 (1841) ; Dam6ril, Elasmobr. p. 437 (1865) ; 



Giinth. Cat. Fish. viii. p. 418 (1870). 

 Acanthias americanus, Storer, Mem. Amer. Ac. ii. 1846, p. 506. 



Hob. Atlantic coasts of Europe and North America, south- 

 ward to the Mediterranean and to Cuba. 



In the British Museum twenty-one specimens, measuring 

 up to 600 mm. in total length. 



3. Squalus sucklii. 



Spinax sucklii, Girard, Proc. Ac. Philad. 1854, p. 196. 



Squalus sucklii, Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1896, p. 54. 



Pectoral fins conspicuously longer and dorsal fin-spines 

 shorter than in S. acanthias. 



Hah. Pacific coast of North America, southward to 

 California. 



In the British Museum two specimens, 700 and 860 mm. 

 in total length. 



