86 "TERRA J^OVA '' EXPEDITION. 



that these N.Z. specimens have the interior of the cone filled with this loosely 

 aggregated mass. It would thus seem that Jaculella, in constructing its test, 

 utilises the heavy minerals selected from its environmental material, for wall- 

 l)uilding only. Two forms showing this method of construction are found, one 

 with a pointed base, the other with a bull)ous proloculum. No doubt these 

 represent the megalospheric and microspheric forms. 



In the Antarctic the species is represented by a single typical example of 

 coarse construction, resembling Brady's fig. 14 (1884, F.C. pi. xxii). 



80. Jaculella obtusa, Brady. 



Jaculella oir»w, Bradv, 1882, FKE. p. TU ; 1884, FC. p. 256, pis. xxii, fig. 19-22. 

 „ Goes,' 1894, ASF. p. 20, pi. iv, figs. 87-89; pi. v, figs. 90, 91. 



Station 6, 13, 32 (+ D.). 



Good and typical specimens, one of great length from Station 32. 



HYPEEAMMINA, Brady. 



90. Hyperammina vagans, Brady. 



Hyperarnmina varans, Brady, 1879, RRC. etc., 1879, p. 33, pi. v, fig. 3. 



Heron-Allen and Earland, 1914, etc., FKA. 1915, p. 610. 



Stations 1-3, 6. 16, 25, 26, 29, 32, 37, 38, 49 50, 55. 



The best examples at Stations 6 (N.Z.) 29 and 14 (Antarctic). Other good 

 specimens at Stations 32 and 35. At the remaining Stations the species is 

 represented by more or less unquestionable fragments. 



91. Hyperammina ramosa, Brady. PL I, fig. 13. 



Hyperammina ramosa, Brady, 1879, etc., RRC. 1879, p. 33, pi. iii, figs. 14, 15. 

 Saccorhiza „ Cu.shman, 1910, etc., FNP. 1910, p. 65, fig. 8L 



Stations 3, 6, 7, 9, 10, 25, 28, 29, 32. 33, 40, 41, 48, 55. 



Usually occurring in fragments, but often in considerable abundance. The 

 method of construction varies according to the nature of the bottom deposit. 

 Where sponge-spicules are available the species has a marked tendency to 

 incorporate these, projectmg from its test. This habit is well shown at Stations 

 6 and 29. At other Stations the test is built of sand-grains usually somewhat 

 roughly. At Station 10 the specimens were entirely constructed of Globigerince 

 and other Foraminifera, which is startling, regard being had to the depth as 

 given on the label (see our note on the material). At Station 28, where the 

 specimens were otherwise normal, one large fragment was fotmd in which the 

 apertural ends were blocked up with sandy mud incorporating young megalo- 

 spheric individuals of Cornuspira involvens to the number of at least twenty. 

 This appears to us to be accounted for only, if the Hyperammina were ingestmg 



