28 DISCOVERY REPORTS 



B. Cheeks and opercles scaly above, naked below. 



1. Dorsal V-VI, 34-37; anal 31-33 3- borchgrevinki. 



2. Dorsal IV-V, 30-33; anal 29-30 4. brachysoma. 



II. Occiput scaly; cheeks and opercles fully scaled. 



A. Interorbital region naked or incompletely scaled. 



1. Eye 3 to 4i in head, which is 3$ to 4 in length (without caudal); interorbital region 

 naked or with a median series of scales; 60 to 75 scales in a longitudinal series 



5 . bernacchii. 



2. Eye (3! young) 4I to 4! in head, which is 3I to 3 J in length (without caudal); 

 interorbital region with 2 or 3 series of scales in the middle (naked in young); 



55 to 59 scales in a longitudinal series 6. vicarius. 



B. Interorbital region fully scaled. 



1. Snout and lower jaw naked; praeorbital naked (except in T. scotti). 



a. Upper lateral line with at least 30 tubular scales, extending well beyond ex- 

 tremity of pectoral; praeorbital naked. 



a. 60 to 75 scales in a longitudinal series; 36 to 46 in upper lateral line; pectoral 

 with 27 to 29 rays. 



* Dorsal V-VII, 36-41 ; anal 33-36 7. hmisoni. 



** Dorsal V-VI, 31-33; anal 31-33 8. loennbergii. 



;8. 52 to 56 scales in a longitudinal series; 30 to 39 in upper lateral line; pectoral 

 with 24 or 25 rays; dorsal I V-VI, 32-36. 



* Dorsal spines flexible; eye 3 J to 3I in head 9. penneUii. 



** Dorsal spines pungent; eye 2| to 3 J in head 10. centronotus. 



b. Upper lateral line with 10 to 23 tubular scales, rarely extending beyond ex- 

 tremity of pectoral fin; praeorbital usually partly or entirely scaled 11. scotti. 



2. Snout, lower jaw, and praeorbital scaled. 



a. Vent much nearer to tip of snout than to end of anal fin; 26 to 38 tubular scales 



in lower lateral line; dorsal VI- VII, 31-33; anal 34-36 ... 12. lepidorhimts . 



b. Vent nearly equidistant from tip of snout and end of anal fin; 10 to 22 tubular 

 scales in lower lateral line; dorsal VI-VII, 34-37; anal 32-34 13. eulepidotus. 



Trematomus newnesi, Boulenger. 



Trematomtis newnesi, Boulenger, 1902, Rep. Coll. Nat. Hist. 'Southern Cross', p. 177, pi. xi; 



Regan, 1913, Trans. R. Soc. Edinburgh, xlix, pp. 239, 259; Waite, 1916, Austral. Antarct. 



Exped. Set. Rep., Ser. C, iii (i). Fishes, p. 18; Norman, 1937, Rep. B.A.N. Z. Antarct. Res. 



Exped., Ser. B, i, p. 69. 



Notothenia cyaneobrancha, Vaillant, 1906, Bull. Mus. Paris, 1906, No. 3, p. 139; 1906, Exped. 



Antarct. Frang. (1903-1905), Poiss., p. 26. 

 Notothenia microlepidota, Vaillant, 1906, t.c, p. 139; 1906, i.e., p. 35. 



Notothenia hodgsoni, Boulenger, 1907, Nat. Antarct. Exped. Nat. Hist., 11, Fish., p. 2, pi. i, 

 fig. 2. 

 St. — . 8. ii. 24. Deception Island, South Shetlands. 3 specimens, 98-110 mm., from stomach 

 of Shag; collected by Mr J. E. Hamilton. 



St. 163. 17. ii. 27. Paul Harbour, Signy Island, South Orkneys. Small beam trawl, 18-27 m.: 

 I specimen, 75 mm. 



St. 173. 28. ii. 27. Port Foster, Deception Island, South Shetlands. Small beam trawl, 5-60 m.: 

 7 specimens, 66-80 mm. 



St. 179. 10. iii. 27. Melchior Island, Schollaert Channel, Palmer Archipelago. Small dredge, 

 4-10 m.: 5 specimens, 30-70 mm. 



