(185 



ON THE GENUS BOTELLINA (Carpenter), WITH A 

 DESCEIPTION OF A NEW SPECIES. 



By F. Gordon Pearcey, 



Bristol Museum. 

 (Plate XX.) 



INTRODUCTION. 



In the year 1869 the late Professor H. P. Carpenter first described 

 what was at that time considered the most interesting and largest 

 known recent arenaceous Rhizopod, measuring 1 inch (25 mm.) in 

 length, with the diameter of ^ inch (3 mm.), judging from 

 broken specimens, to which he gave the generic name Botellina, no 

 mention being made of a specific name. 



Since that time, however, a number of new arenaceous Bhizopods 

 have been discovered fully 1^ inches, or more; i.e., Syringammina 

 fragillissima,''- from the Faroe Channel, in a depth of 555 fathoms ; 

 Hyperammina palmiformis,] also from the Faroe Channel, in 516 

 fathoms ; Beophax nodulosa,\ from the Antarctic and Pacific Oceans, 

 in depths from 1,300 to 2,900 fathoms; Pelosina variabilis,^ and 

 others. 



In 1881 Dr. H. B. Brady redescribed the genus Botellina (from 

 the same fragmentary specimens with which Professor H. P. 

 Carpenter had made his description in 1869), and to which he gave the 

 specific name labyrinthica,\\ reproduced and figured in the Challenger 

 Eeports, Foraminifera.li Botellina labyrinthica, Brady, was first 

 obtained in some abundance at a single station (No. 51) on the third 

 cruise of H.M.S. Porcupine, in 1869, at a point lying on the border- 

 line, between the warm and cold areas of the Faroe Channel, at a 

 depth of 440 fathoms, lat. 60° 6' N., long. 8° 14' W., bottom tempera- 



* H. B. Brady, Proc. Roy. Soc, 1883, vol. xxxv., p. 155, pis. 2-3. 

 t F. G. Pearcey, Trans. Nat. Hist. Soc, Glasgow, vol. ii., pt 2, new series, pi. 3, 

 1887-8. 



I H. B. Brady, Chal. Reports Foraminifera, vol. ix., p. 294, pi. 31, figs. 1-9. 

 S Ibid. pp. 23.5-236, pi. 26, figs. 7-9. 



II Ibid., Quart. Journ. Micr. Sci., vol. xxi., new series, p. 48. 

 •[ Ibid. Chal. Reports, Foraminifera, vol. ix, 



