EXPLANATION OF PLATE 27A (XXVIIA) 



Figs. 1, 3, 4, 6, X 20; Fig. 2, X 12; Fig. 5, X 50; Figs. 7, 8, X 30; Fig. 9, X 150; Figs. 10-12, X 45. 

 Figures 1,2, 3? — Aschemonella catenate (Norman). 



Challenger Sta. 244, North Pacific. (2900 fathoms) 

 These occur at the same station as Aschemonella scabra Brady, as figured on the preceding plate (see notes 

 on this form given there), but appear from their slender, delicate form and small size to be closer to A. catenata 

 than to typical scabra. Figure 3 does not appear to be typical for either species but Brady notes that it repre- 

 sents a specimen incrusted with mud, and therefore identification is uncertain without reference to the original. 

 Figures 4, 5. — Haliphysema tumanowiczii Bowerbank. 

 Fig. 5. Coast of Devon, England. 

 Described by Bowerbank (Phil. Trans. Roy. Soc, London, Vol. 152, 1862, p. 1105) as the genotype of Hali- 

 physema, a new genus of sponge. Carter (Ann. Mag. Nat. Hist., Ser. 4, Vol. 5, 1870, p. 310) recognized the true 

 nature of this form and referred it to the foraminiferal genus Squamulina Schultze 1854, changing the specific 

 name to scapula in the belief that this would completely remove it from the sponges. As noted by numerous 

 authors Squamulina of Carter is not the same as Squamulina Schultze except in part, and Haliphysema must 

 stand as a valid genus. The specific name tumanowiczii Bowerbank 1862, furthermore, has priority over scapula 

 Carter 1870, which becomes a synonym. Brady in his text also records this species from the Mediterranean. 

 Figures 6. — Haliphysema ramulosa Bowerbank. 



Recorded in Brady's text from the British Isles, Florida and Mauritius. 



Like the preceding species this was regarded by Bowerbank as a sponge, but transferred to the Foraminifera 

 by Brady. 

 Figures 7-9. — Dendrophrya erecta Strethill Wright. 



Recorded in the text from off the coast of Scotland. 

 Figures 10-12. — Dendrophrya radiata Strethill Wright. 

 Recorded in the text from off the coast of Scotland. 



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