Type. — British Museum (Nat. Hist.). 

 Distribution. — Mediterranean. 

 Specimens Examined : 



Reg. No. 93.2.28.20 (lectotype). 



: (100, 

 : {147, 



1.^2 mm.). 

 152 ,, ).' 



Nice. Deakin. 



Zara, Dalmatia. Spada-Novak. 



Also 2 from the Mediterranean (Leiden Mus.). 



Comparison of specimens of similar size leaves little doubt that the form described 

 abpve is distinct from the typical A . laterna of the Mediterranean, and, although I have 

 examined comparatively few examples of this large-mouthed form, I am inclined to 



recognise it as a distinct species. To ascertain its correct name is more difficult, but 

 the subspecific name macrostoma proposed by Kyle seems to be the first which is 

 applicable with certainty. The Pleuronectes arnoglossiis of Bonaparte and Canestrini 

 was almost certainly this species, but Schneider's earlier description of an Arnoglossus 

 with the same specific name is too brief to allow of a positive identification. Should 

 this prove to have been the large-mouthed form, this species will then bear the name 

 Arnoglossus arnoglossus (Schneider). 



6. ARNOGLOSSUS IMPERIALIS (Rafinesque). 



[SC.\LD-FISH.] 



Bothus impi-riahs, Rafinesque, 1810, Car. n. gen., p. 23. 



? Pleuronectes casurits. Pennant {ex Hanmer MS.), 1812, Brit. Zool., new ed., iii.p. 325, pi. liii. 



Arnoglossus lophotes, Giinther, 1862, Cat. Fish., iv, p. 417 ; Facciola, 1886, Atti Soc. Nat. Modena, 

 {3) iii, p. 91 ; Giinther, 1890, Proc. Zool. Soc, p. 40 ; Collett, 1896, Res. Camp. Sci. Monaco, x, 

 p. 95, pi. iii, fig. 13. 



Arnoglossus grohmanni (part). Day, 1882, Proc. Zool. Soc, p. 74S, pi. liii. 



Charybdia rhomboidichthys, Facciola, 1885, Nat. Sicil., iv, p. 265. 



Arnoglossus laterna (part), Cunningham, 1890, Proc. Zool. Soc, p. 540 ; Holt and Calderwuod, 1895, 

 Sci. Trans. R. Dublin Soc, (2) v, p. 488. 



Arnoglossus imperialis, Kyle, 1913, Rep. Danish. Ocean. Exped. 1908-1910, ii, A. I, p. 79, figs. ; 

 Berlin, 1929, in Joubin, Faune Ichth. Atlant. Nord, iii, fig. ; Bertin, 1929, in Faun. Flore 

 Medit., ix, tig. ; Chabanaud, 1930. Riviera Sci., Suppl. Mem. ii, p. 19 ; Norman, 1930, " Dis- 

 covery " Reports, ii, p. 360 ; Chabanaud, 1931, Bull. Soc. zool. Fr., Ivi, p. 392 ; Bertin, 1932, 

 Bull. Soc. zool. Fr., Ivii, p. 242. 



' The larger of these is selected as the lectotype (see note on p. 178). 



