Manchester Memoirs, Vol. xlviii. (1904), No. 5. S 



*Spiroloculina, d'Orbigny. 

 Spiroloculina planulata, Lamarck, sp. 

 Spiroloculina planulata (Lam. sp.), Brady ('84), p. 148, 

 pi. 9, fig, w a,b. Frequent. 



*Spiroloculina excavata, d'Orbigny. 



Spiroloculina excavata, d'Orbigny ('46), p. 271, pi. 16, 

 figs. 19-21. 5. excavata (d'Orb.), Brady ('84), p. 151, 

 pi. 9, figs. 5, 6. 



Many of the specimens are of the form as figured by 

 Brady ('84), with the exception that the neck is not quite 

 so much produced. Frequent. 



Spiroloculina dorsata, Reuss. 



Spiroloculina limbata (d'Orb.), Brady ('84), p. 150, 

 pi. 9, figs. 15-17. 



Many of the specimens become deeply excavated, 

 and it is a question if these should not be treated as 

 6". excavata. Frequent. 



*Spiroloculina impressa, Terquem. (PI. 2, figs. 9- 11). 

 Spiroloculina impressa (Terq.), Brady ('84), p. 1 5 1, pi. 10, 



figs. 3, 4- 



The Delos form is occasionally tricarinate at the base 

 of the last chamber. The specimens differ a good deal as 

 to the amount of excavation Frequent. 



*Spiroloculina nitida, d'Orbigny. 



Spiroloculina nitida (d'Orb.), Brady ('84), p. 149, pi. 9, 

 figs. 9, 10. 



Most of the specimens are ot the carinate variety, and 

 the last two chambers show more inflation than the 

 previous ones. Brady reports it from the Mediterranean. 

 Frequent. 



