FORAMTNMFKRA -TIKRON-ALLEN AND EARLAND. 203 



C'onlinecl to the N.Z. area, save for a single weak example at Station 31. 

 Very fine series of specimens at Station 6. inchiding both sessile and " plastogamic " 

 01' l)udding individuals. Fossil at Station 3. 



531. Discorbina herthcluli, var. h(tronica. Hantlcen. 



Discorhina haconica, Hantken, liS7.5, CS8. p. 76, pi. -x, figs. .5 a, h. 



Discorbiiiii hciilidoti. var. bacoiiicn, Heron-Allen and Earlanil. 1910, FSC. yi. .50, jil. viii, figs. 10-12. 



Stations 2-6 (+ R. d. .1.). 



Confined to the N.Z. area. The best examples at Station 6, including sessile 

 individuals, and specimens characterized by excessive lim1)ation of the sutural 

 lines. Similar specimens at Station 5.* Fossils at Station 6. 



532. Discorbina rarescens, Brady. 



Discorhina rarescvim. Brady, 1884, FC. ]i. 6.51. pi. xc, figs. 2, .3, and I 1. 



Heron-Allen and Earland, 1914, etc., FKA. 1915, p. 700. 



Station G. 



Specimens exhil)iting wide variation in the development of the carina, and in the 

 degree of inflation of the chambers. Sometimes so flat as to be almost scale-like. 

 A sessile individual also observed. 



533. DiscorbijKt jxislalala, Heron- Allen and Farland. 



Discorbina pushdata, Heron-Allen and Earland. 1913, C'l. [). 129, pi. xii, figs. 5-7 ; 1914, etc. 

 FKA. 1915, p. 701, pi. lii, figs. 24-26; 1916, FWS. p. 273 ; 1916, 

 FSC. p. .50. 



Stations 2, G. 



Excellent examples at Station 2. Those from Station (i apparentl)' fossil. 



534. Discorbina parisiensis (d"()rl)igny). 



RosaliHa parisiensis, d'Orbigny, 1826, TMC. p. 271, Modi'de no. 38. 

 Discorhina ,, Heron-Allen and Earland, 1914, etc., FKA. 915. p. 701. 



Stations 2. 38, 47. 50. 55 ( + Iv. L). 



h]xcept for a somewhat doubtful fossil at Station 2 the .species is confined 

 to the Antarctic area, where it is fairly frequent at some Stations. l)ut never 

 attains the enormous dimensions that it does at some Arctic Stations which we 

 luive examined, or in the Kei'gnelen Island material referred to in our Aj^pendix B. 



535. Discorbina opercularis (d"Orbigny). 



Rosalina opercularis. d'Orbigny. 1826, TMC. p. 271, no. 7. 



Discorbis „ Cnshniaii." 1910, etc., FNP. 1915, p. 18, pi. xi, fig. 3. 



Stations 2-6, 7. 



Verv fine examples at Stations 5 and 6. Fossils at Stations 2 and 6 and 

 '■ plastogamic " at Station 3. 



2 D 2 



