AND OSTEACODA COLLECTED ROUND FUNAFUTI. 425 



NONIONINA UMBILICATULA, Montagu, sp. 



This form is less restricted to shallow water than N. depressula, and has 

 been recorded from depths as great as 3125 fathoms. 



Occurrence.— ^i2i. 3, 2715 fms. ; 11, 1417 fms. ; 13, 1050 fms. ; 20, 

 1215 fms. ; 21, 2195 fms. : 45, 2107 Ems. ; 48, 2298 fms. ; 105, 2400 fms. ; 

 138, 2688 fms.; 148, 2620 fms. ; 150, 2438 fms. 



NoNiONiNA POMPiLioiDES, Fichtel 4" Moll, sp. 



The above species is more typical of deep water than even the preceding 

 form, and it is therefore the more curious to find it comparatively rare in 

 these deeper soundings. 



Occurrence.— ^ta. 20, 1215 fms.; 21, 2195 fms. ; 138, 2688 fms. 



Genus POLTSTOMELLA, Lam. 

 POLYSTOMELLA STRTATOPUNCTATA, FicJltel S,' Molt, Sp. 



Occurrence. — Sta. 11, 1417 fms. 



POLYSTOMELLA CRISPA, Lmne, Sp. 



The previously recorded depths for this species range down to 355 fathoms 

 only. 



Occurrence. —Sta. 3, 2715 fms. ; 105, 2400 fms. 



Genus Amphistegina, Orb. 



Amphistegina lessonii. Orb. 



Although this species has occasionally been recorded from deep-sea 

 soundings, it had not been noticed from any greater depth than 1750 fathoms. 



Occurrence.— Sta. 23, 735 fms.; 24, 987 fms.; 28, 1505 fms.; 29, 

 475 fms.; 31, 1158 fms. ; 55, 507 fms. ; 60, 451 fms. ; 68, 1143 fms. ; 

 78, 1570 fms. ; 83, 1340 fms.; S6, 513 fms.; 96, 1245 fms.; 109, 604 fms. ; 

 141, 2741 fms. 



Genus Heterostegina, 07^b. 



Heterostegina depressa, Orb. 

 Occurrence. — Sta. 55, 507 fms. 



Genus Cycloclypeus, Carpenter. 

 Cycloclypeus carpenteri, Brady. 



All the examples found were of the megalospheric type (= C guembelianus 

 of the ' Challenger ' report). 



Occurrence. — Sta. 55, 507 fms. ' • 



