124i MK. T. SCOTT ON EXTOMOSTRACA 



Saphirina opaca, Lubbock. 



1856. Saphirina opaca, Lubbock, Trans. Ent. Soc. vol. iv. p. 27, pi. v. figs. 9-11. 

 1883. Saphirina opaca, Brady, Report Chall. Copep. p. 127, pi. xlix. figs. 14-17. 



Habitat. Lat. 3' 58' N., long. 3' 42' W., 25 fathoms, January 13th (day collection). 

 Off Sao Thome Island (lat. 0" 46' 6" N., long. 6^ 22' E.), 10 fathoms, January 23rd 

 (day collection). Off the Gaboon River (lat. 0' 22' 8" N., long. 8^^ 16' 7" E.), surface, 

 January 28th (two night collections). Station 23, 10 fathoms, February 5th (day 

 collection) . 



This comparatively large species was obtained in 18 tow-nettings, 7 of which were 

 surface and 11 under-surface gatherings. The under-surface tow-nettings included one 

 at 2| fathoms, six at 10 fathoms, one at 15 fathoms, one at 20 fathoms, one at 25 fathoms, 

 and one at 30 fathoms. 1 surface and 9 under-surface gatherings were collected during 

 the day, Avhile 6 surface and 2 under-surface were night collections, as shown by the 

 annexed formula : — 



r 1 day collection. 



T ff iQ ( ^ surface | q ^^^^^ collections. 



Tow-nettmgs 18 -^ ^- » 



(.11 under-surface P ^% ^^i^to. 

 ( 2 night ditto. 



The large size, elongate form, and the produced inner angle of the caudal stylets serve 

 to distinguish this from most of the other Saphirines in the collection . A few specimens 

 carried ovisacs. 



Saphirina splendens, Dana. 



1852. Saphirina splendens, Dana, Crust. U.S. Expl. Exped. p. 1246, pi. Ixxxvii. fig. 9. 

 1883. Saphirina splendens, Brady, Report Chall. Copep. p. 127, pi. xlix. figs. 11-13. 



Rahitat. Station 3, 25 fathoms, January 2nd (day collection). Lat. 4 31' 6" N., long. 

 6' 4' 44" W., 50 fathoms, January 11th (day collection). Off the Gaboon lliver (lat. 0^ 

 22' 8" N., long. 8 25' E.), surface, January 29th (night collection). Station 23, surface 

 and 10 fathoms, February 5th (day collection). Lat. 7° 38' S., long. 12' 3' 3" E., surface, 

 February 9th (night collection), &c. 



Saphirina splendens occurred in 16 tow-nettings — 6 surface and 10 under-surface. 

 The surface tow-nettings comprised 3 day and 3 night collections, the under-surface 

 9 day collections and 1 niglit collection. The under-surface tow-nettings included one 

 at 2 1 fathoms, four at 10 fathoms, one at 15 fathoms, two at 25 fathoms, and two at 

 50 fathoms. The annexed formula shows the number of day and night collections : — 



{3 day collections. 

 o night ditto. 



xuvv -lie L tings xu ^ ® 



.10 under-surface j ^ ^^^y ditto. 



1 night collection. 



