174 PLYMOUTH MARINE INVERTEBRATE FAUNA. 



[ Foraminifera ] 



FORAMINIFERA. 



liY 



R. H. WORTH. 



Miliolinse. 



'BiLOCULiNA RINGENS (Laiiiarck) : Williamson, 1858, liec. For. Gt. Br., 



p. 79, pi. vi, figs. 169, 170, pi. vii, fig. 171. 

 BiLOCULiNA RINGENS, var. patngoiiim, Williamson, 1858, Rec. For. Gt. 

 Br., p. 80, pi. vii, figs. 175, 176. See also Biloevlinn ehmgnta. 

 Cawsaiid B.; Drake's I.; Eame-Eddystoue, generally distributed, 

 but with unexplained preferences for certain localities, only occasion- 

 ally plentiful ; Eddystone-Looe, same remarks as last ; Bolt, the 

 species seems to be poorly represented. 

 BiLOCULiNA DEPRESSA, d'Orbigny : WiUiamson, 1858, Eec. For. Gt. Br., 

 p. 79, pi. vii, figs. 172-174 (as Biloculina rinrjen>i, var. cariiKita). 



liame-Eddystone, distribution similar to that of Biloculina 

 ringens, but decidedly less numerous; Eddystone-Looe, same remarks 

 as last; the species also occurs around the Bolt; [Drake's I. (j.j.l.)]. 



Biloculina elongata, d'Orbigny: WiUiamson, 1858, liec. For. Gt. Br., 

 p. 80, pi. vii, figs. 175, 176 (as Biloealina ringens, var. iMtagnnica). 



Five miles W. \ S. from Rame, characteristics exceptionally 

 marked. 

 Biloculina tubulosa, Costa: Brady, 1884, "Challenger" Report, p. 147, 

 pi. iii, fig. 6. 



A few individuals have been somewhat doubtfully attributed to 

 this species. 

 Spiroloculina planulata (Lamarck) : Williamson, 1858, Rec. For. Gt. 

 Br., p. 82, pi. vii, fig. 178 (as Spiroloculina deprcssa, var. rotvndata). 

 Rame-Eddystone, generally distributed and fairly plentiful in 

 places ; Eddystone-Looe, same remarks as last ; Bolt, an occasional 

 spec. 

 Spiroloculina limbata, d'Orbigny: Williamson, 1858, Rec. For. Gt. Br., 

 p. 82, pi. vii, fig. 177 (as Spiroloculina deprcssa). 



Rame-Eddystone, follows distribution of last, ])ut is less numerous; 

 Eddystone-Looe, here the conditions seem somewhat changed, and 

 this form is more numerous i\\dM p)lanulata ; [Drake's L (j.j.l.)]. 



Spiroloculina tenuiseptata, Brady: Bradg, 1884, "Cliallenger" Report, 

 p. 153, pi. X, figs. 5, 6. 



Rame-Eddystone, an occasional spec, only ; Eddystone-Looe, an 

 occasional spec. only. 

 Spiroloculina excavata, d'Orbigny: Brady, 1884, "Cliallenger" Report, 

 p. 151, pi. ix, figs. 5, 6. 



Rame-Eddystone, generally distributed, but rare ; Eddystone- 

 Looe, as above. 

 Spiroloculina fragilissima, Brady: Brealy, 1884, "Challenger" Report, 

 p. 149, pi. ix, figs. 12-14. 



Found on the eastern slope of the Hand Deeps. 



