16 AXEL GOES, ARCTIC AND SCANDINAVIAN FOHAMINIFERA. 



BATHYSIPHON m. sars. 



B. filiformis M. Sars. 



Tab. Ill, figg. 39—41. 



Tubus iBquali.s aut subiuqualis, plerumque paulluin arcuatus, utrinque ai)ertus, sub- 

 lajvis, segmentatione spuria, internodiis cylindricis, subfusiformibus aut subclavatis; intus 

 indivisus. 



Albidus aut griseus ex spiculis spongiarum magna ex parte constructus; subflexi- 

 lis, tenax. 



Fig. 39: forina tenuis. 



Fig. 40: » elata. 



Fig. 41 : longitudinaliter sectus. 



Bathysiphon filiformis (M. Sars) G. 0. Sars, 1871, Vidensk. Srelsk. Forh. 1871, p. 251. 



Brady, 1884, Chall. Rep. 9, p. 248, t. 26, ff. 1.5—20. 



Hab. in simi Hartlanger pi-ol'uiul. metr. 360 (Doct. C. Aurivillils); Koisfjord profund. iiietr. 300 (Norman) 

 hand infVequens; long. ram. 15 — 25 — 50; diameter tubi valdc varians. 



HYPEMMMINA brady. 



H. SUbllodosa Brady. 



Tab. Ill, figg. 42 — 54. 



Cylindrioa, elongata, interduiti subclavata, suturis oonstrictis passim instructa; parte 

 pi'imordiali ovali aut intiate subpyriformi, cujus cavum interruim globosum aut ovatum; 

 septis spuriis incompletis aut nullis; apertura lumen tubi totiini occupante, aut paullum 

 coarctata. Plerumque grisea-argillacea aut albida, e sabulo rudis. 



Emaciatai, magis attenuata?, septis subcompletis, interdum occurrunt, Reophaci 

 noduloso approximantes. 



Suturis interdum obsoletis, testa magis a^quali a Hyperammina friabili difficile 

 distincta. 



Fig. 42: exemplum camera primordiali valde inflata. 



Fig. 43: apex cum apertura coarctata; Fig. 44: camera priraordialis exempli alius; 

 e Atlantico boreali profund. metr. 1,750. 



Fig. 45: exempl. e sinu Groenlandico Claushavn profund. metr. 500. 



Figg. 46 — 47, 50 — 53: emaciatai in Reophacem vergens, e Groenlandico mari pro- 

 fund, metr. 500. 



Figg. 48 — 49: ex Atlantico boreali profund. metr. 1,750; septis subcompletis. 



Fig. 54: in Hyperam. friabilem Brady vergens, e sinu Baffini profund. metr. 1,200. 



Hyperammina subnodosa Brady, 1884, Challeng. Rep. 9, p. 259, t. 23, fl'. 11 — 14. 



Hab. in sinubus Groenlandia;, Spetsbergensibus, raarique Atlantico boreali profund. metr. 30 — 2,000: mra. 10 — 

 20 longse; emaciatae mm. 5 — 10. 



