320 DISCOVERY REPORTS 



Myctophum parallelum, Lonnberg. 



Lonnberg, 1905, Zool. Anz. xxviii, p. 764; 1905, Wiss. Ergebti. Schwed. Sudpolar-Exped. v (6), 



p. 62; Parr, 1928, Bull. Bingham Ocean. Coll. in (3), p. 57. 



Myctophum {Myctophum) parallelum, Brauer, 1906, ' Valdivia' Tiefsee-Fische, p. 174, fig. 86. 



St. 78. 12. vi. 26. 35° 18' 00" S, 19° 01' 10" W. Young-fish trawl, 1000 (-0) m.: i specimen, 

 17 mm. 



St. 85. 23. vi. 26. 33° 07' 40" S, 4° 30' 20" E. 4* m. net, horizontal, 2000 (-0) m. : i specimen, 20 mm. 



St. 100. 4. X. 26. 33° 20' 00" to 33° 46' 00" S, 15° 18' 00" to 15° 08' 00" E. Young-fish trawl, 

 2500 (-0) m. : 2 specimens, 30-31 mm. 



St. 100. 4. X. 26. 33° 20' 00" to 33° 46' 00" S, 15° 18' 00" to 15° 08' 00" E. Young-fish trawl, 

 2500-2000 m. ; 2 specimens, 27-29 mm. 



St. loi. 15. X. 26. 33° 50' to 34° 13' 8, 16° 04' to 15° 49' E. 4J m. net, horizontal, 350-40o(-c)m.: 



2 specimens, 29-30 mm. 



Depth of body about 3I in the length, length of head 3^ to 3 J. Diameter of eye 2| 

 to 2^ in length of head. Dorsal 12. Anal 22. Pectoral 15. Pelvic 8. PLO photophore 

 on lower part of pectoral base. 2 PVO, situated close together and side by side, below 

 base of pectoral fin. 5 PO, all level. VLO nearer pelvic fin than lateral line. 4 VO, the 

 second scarcely elevated. 3 SAO, interspace between first and second greater than that 

 between second and third, forming a, very obtuse angle. AO 15, forming an almost 

 straight line, 4 behind last anal ray. Pre fairly well separated. 



Described from several specimens, 17 to 31 mm. in length. 



Hab. Off South-west Africa ; South Atlantic. 



Myctophum rissoi (Cocco, 1829). 



Brauer, t.c. p. 170, fig. 83 ; Taning, 1928, Vid. Medd. Dansk nat. For. 86, p. 52; Parr, t.c. p. 58. 



St. 87. 25. vi. 26. 33° 53' 45" S, 9° 26' 30" E. Young-fish trawl, 1000 (-o)m.: i specimen, 

 15 mm. 



St. loi. 15. X. 26. 33° 50' to 34° 13' S, 16° 04' to 15° 49' E. 42 m. net, horizontal, 350-400 (-o)m.: 



3 specimens, 63-72 mm. 



St. 285. 16. viii. 27. 2° 43' 30" S, 00° 56' 30" W. 42 m. net, horizontal, 125-175 (-0) m. : 3 

 specimens, 21-23 mm. 



Hab. Mediterranean; Atlantic; Indian Ocean. 



Myctophum anderssoni, Lonnberg. 



Scopelus antarcticus {non Giinther), Boulenger, 1902, Rep. Coll. Nat. Hist. 'Southern Cross', 



v, Pisces, p. 174. 



Myctophum anderssoni, Lonnberg, 1905, Zool. Anz. xxvni, p. 763; 1905, Wiss. Ergebn. Schzved. 



Sildpolar-Exped. v (6), p. 61 ; Parr, 1928, t.c. p. 58. 



Myctophum {Myctophum) anderssoni, Brauer, 1906, ' Valdivia' Tiefsee-Fische, p. 172, fig. 84. 



St. 64. 22. V. 26. 48° 34' 00" S, 53° 34' 30" W. I m. tow-net, horizontal, 90 (-0) m. : 2 specimens, 

 18-21 mm. 



Depth of body \\ to 4^ in the length, length of head 3^. Diameter of eye about 3 in 

 length of head. Dorsal 12. Anal 18-19. Pectoral 14. Pelvic 8. PLO photophore on 



