5 dav collections. 

 pO surface 1 5 night ditto. 



FROM THE GULF OF GUINEA. 123 



r 8 day collections, 

 r 22 surface 1 11 niilit ditto. 



Tow-nettin£?s 41 < r^ , i tj.^ 



^ I T n I f r I'i' day ditto. 



(_19 under-surface <^ •' 



L 5 night ditto. 

 This was the most common of the Saphirines in the ' Buccaneer ' collections. 



Saphirina serrata, Brady. 



188.3. Saphirina serrata, Brady, Report Cliall. Copep. p. 125, pi. xlix. figs. 1, 2. 



Habitaf. Station 9, 25 fathoms, January 11th (day collection). Lat. 1 55' 5" N., long. 

 5' 55' 5" E., 200 fathoms, January 22nd (day collection). Station 23, surl'ace and 10 

 fathoms, February 5th (day collections). Lat. 5' 40' 8" S., long. 11" 33' 4" E., surface, 

 February 19th (day collection), &c. 



This species occurred in 20 tow-nettings, 10 of which were surface and 10 under-surface 

 gatherings. The surface comprised 5 day and 5 night collections ; the under-surface 8 day 

 and 2 night collections, as shown in the formula : — 



r 



i 5 



Tow-nettings 20 <[ ^ - . 



tlO under-surface 1 8 day ditto. 



I 2 night ditto. 



The under-surface tow-nettings included one at 3 fathoms, three at 10 fathoms, one at 

 15 fathoms, two at 20 fathoms, one at 25 fathoms, one at 50 fathoms, and one at 260 

 fcxthoms. The distinct, though finely serrate, margins of the abdominal segments 

 (except the first) in the female constitute one of the most prominent characters of the 

 species. S. serrata was one of the less common of the Saphirines in the collection. 



Saphirina opalixa, Dana. 



1852. Saphirina opalina, Daua, Crust. U.S. Expl. Exp. p. 1254, pi. Ixxxviii. fig. 4. 



1860. Saphirina Thomsoni, Lubbock, Trans. Linn. Soc. vol. xxiii. p. 18(i, pl. xxix. figs. 22, 23. 



1883. Saphirina opalina, Brady, Report Chall. Copep. p. 12G, pl. xlix. figs. 3-G. 



Habitat. Station 9, 25 fathoms, January 10th (day collection). Off' Sao Thome Island 

 (lat. 34' K., long. G 30' 4" £.), 10 fathoms, January 23rd (day collection). Station 23, 

 20 fathoms, February 5tli (day collection). Lat. T 38' S., long. 12 3' 3" E., surface, 

 February 9th (night collection), etc. 



This Saphirine was obtained in 5 surface and 8 under-surface tow-nettings. The 



8 under-surface gatherings comprised two at 10 fathoms, one at 15 fathoms, two at 



20 fathoms, and two at 25 fathoms. The annexed formula shows the number of day and 



night collections : — 



f 1 day collection. 

 5 surface 



Tow-nettings 13^ , . , "^ 



j ^ =uxxa^^ ^ ^ ^.gj^^ collections. 



^'^ ^IS under-surface I ^ day ditto. 



1 3 niojht ditto. 



This species was readily distinguished from other Saphirines by the peculiar form of 

 the very short caudal stylets. 



16* 



