3i6 DISCOVERY REPORTS 



i8. Miliolina subrotunda (Montagu). 



Vermicidum subrotundum, Montagu, 1803-8, TB, pt 2, p. 521. 

 Miliolina subrotunda, Brady, 1884, FC, p. 168, pi. v, figs. 10, 11. 

 Miliolina subrotunda. Goes, 1894, ASF, p. 109, pi. xix, figs. 846, 847. 



Thirteen stations: 48, 51, 53, 388; WS 71, 80, 88, 89, 90, 108, 225, 245, 248. 



Frequent at most of the stations, the best at 53 and WS 71 and 88. At WS 248, a 

 specimen with a hauerine development of the later chambers was observed. At 53 

 a specimen practically identical with the hauerine variety figured by us from south 

 Cornwall (H.-A. & E. 1916, FSC, p. 35, pi. v, figs. 6-8) was found. As a general 

 rule the specimens are small, tending towards the pauperate d'Orbignyan species, 

 O. peruviana and O. meridionalis. The Falkland Islands specimens never attain the robust 

 development and size which marks the species in British waters. 



19. Miliolina meridionalis (d'Orbigny) (Plate VI, figs. 22-24). 

 Quinqueloculina meridionalis, d'Orbigny, 1839, FAM, p. 75, pi. iv, figs. 1-3 and 10-13. 



The distribution follows that of M. subrotunda of which it is a local d'Orbignyan varia- 

 tion. In Paris the Type tube contains one specimen labelled " Amerique meridionale". 

 It was encrusted with crystals of efflorescence. When these were very carefully removed, 

 the specimen appeared in very fair condition, apparently M. valvularis, at any rate 

 having no resemblance to d'Orbigny 's figure. 



20. Miliolina lamarckiana (d'Orbigny). 



Oninquelociiliiia lamarckiana, d'Orbigny, 1839, FC, p. 189, pi. xi, figs. 14-15. 

 Quinqueloculina auberiana, d'Orbigny, 1839, FC, p. 193, pi. xii, figs. 1-3. 

 Miliolina auberiana. Goes, 1894, ASF, p. 109, pi. xix, fig. 844. 

 Miliolina lamarckiana, Heron-Allen and Earland, 1930, FPD, p. 57. 



Two stations: WS S3, 87. 



The specimens are far from typical and have somewhat inflated chambers. In Paris 

 there are two Type tubes labelled " O. lamarckiana, Cuba", and two labelled " O. aube- 

 riana, Cuba". Of the Q. lamarckiana, one tube contains nothing but unrecognizable 

 fragments, the other contains thirteen specimens, some in good condition, others more 

 or less destroyed by efflorescence. It seems impossible that these can have been the 

 original d'Orbigny Types, for they cover O. lamarckiana, auberiana, and cuvieriana. One 

 or two are excellent specimens of Q. lamarckiana as figured by d'Orbigny, the rest we 

 think should be disregarded as being probably later additions to the tube. The Q. aube- 

 riana " Types " are even more unsatisfactory. One tube contains only a single specimen 

 oi Massilina secans (d'Orbigny), the other contains two smaller shells in a very bad state of 

 preservation; one is quite unrecognizable, the other is Miliolina subrotunda (Montagu). 



21. Miliolina contorta (d'Orbigny). 



Quinqueloculina contorta, d'Orbigny, 1846, FFV, p. 298, pi. xx, figs. 4-6. 

 Miliolina contorta. Goes, 1894, ASF, p. iii, pi. xx, figs. 851, 852. 



Eight stations: 48, 388; WS 71, 87, 88, 90, 93, 99. 



