2 54 



Stat. 96 (day). — Stat. 96 (night). — Stat. 98. — Stat. 1 10. -- Stat. 136. — Stat. 141 (Hensen 

 vertical net, 1500 metres to surface). — Stat. 144. — Stat. 185 (HENSEN vertical net, 

 1536 metres to surface). — Stat. 282. 



The furcal joints of this species are nearly three times longer than broad. The distal 

 end of the inner margin terminates in a moderately strong tooth. 



Sapphirina angusta has been recorded from the Atlantic, Indian and Pacific Oceans, 

 and from the Mediterranean. 



2. Sapphirina auronitens Claus. 



Sapphirina auronitens Claus, 1863, p. 153. 



Sapphirina auronitens Giesbrecht, 1893, p. 619, pis. 4, 52 & 54. 



Sapphirina auronitens Steuer, 1898, p. 4. 



Sapphirina auronitens Cleve, 1901, p. 8. 



Sapphirina auronitens A. Scott, 1902, p. 419. 



Sapphirina auronitens Thompson & Scott, 1903, p. 287. 



Specimens of this species were obtained from the plankton collected at the following 

 stations in the area traversed by the 'Siboga'. 



Stat. 93. - - Stat. 98. — Stat. 117'. — Stat. 172. — Stat. 185 (Hensen vertical net, 1536 

 metres to surface). Stat. 193. — Stat. 203 (HENSEN vertical net, 1500 metres to sur- 



face. — Stat. 215'. 



Sapphirina auronitens is a moderately wide species with broadly oval furcal joints. Each 

 joint is one and a half times longer than broad. The apex is rather pointed. 



This species has been recorded from the Mediterranean and Red Sea, and from various 

 parts of the Indian Ocean. 



3. Sapphirina bicuspidata Giesbrecht. 



Sapphirina bicuspidata Giesbrecht, 1891, p. 479. 



Sapphirina bicuspidata Giesbrecht, 1893, p. 620, pis. 52 & 54. 



Sapphirina bicuspidata Steuer, 1898, p. 5. 



Sapphirina bicuspidata Thompson & Scott, 1903, p. 287. 



This species was represented in the plankton collected at the following stations in the 

 Malay Archipelago. 



Stat. 16. — Stat. 165. — Stat. 172. — Stat. 184. — Stat. 185 (Hensen vertical net, 1536 

 metres to surface). — Stat. 186. — Stat. 204. ■ — Stat. 217 (horizontal cylinder). — Stat. 

 220 (surface). — Stat. 225. — Stat. 271. — Stat. 315. 



Sapphirina bieuspidata is a rather broadly oval species with wide furcal joints. The 

 joints are about one and two-third times longer than broad. 



This Sapphirina has been recorded from the Indian and Pacific Oceans, from the 

 Mediterranean, and from the Red Sea. 



4. Sapphirina darwini Haeckel. 



Sapphirina darwini Haeckel, 1864, p. 105, pis. 2 & 3. 

 Sapphirina darwini Giesbrecht, 1893. p. 619, pis. 52 & 54. 



254 



