226 Messrs. Parker and Jones on 



culataj 1838 "), is a small BoUvina dilatata, Reuss (Denkschr. 

 k, Akad. Wiss. Wien, 1850, pi. 48. f. 15) ; for a larger speci- 

 men see Mikrogeol. pi. 29. f. 23 (from Moen). Fig. 11, Ro- 

 talia PandorcB (?), a small Planorhulina (?). Figs. 12, a,i, and 

 14 a, R. glolmlosa, 14 Z*, R. senaria^ are probably minute 

 Planorhulime [PI. globidosd). Fig. 13, a, &, R. umhilicus^ are 

 larger, but still small, P/a«orJi/7//i«?. Fig. 15, Glohigerinai^)^ 

 is a well-grown Gl. hulloides. Fig. 16, PlanuUna proroteraSj 

 ==joimg Gl. hulloides. Fig. 17, PI. fimiigata, is the same as 

 fig. 93 in pi. xix., but shows the opposite face, — a delicate PL 

 Haidingerii^ with subglobose inflated chambers. Fig. 18, PI. 

 denticulata, and fig. 19, PI. por-osuj is an interesting variety of 

 Planorhulina farcta, such as is not rare in some seas, having 

 a rough or aculeate shell, with thickened or limbate margin. 

 These are variable characters in this very common species. 

 Figs. 20, PI. adsjyersa, 21 a, PL turgida^ and 21 J, PL annu- 

 losa, are various small Planorbulince (fig. 21 a may be Planu- 

 lina ariminensis) . Fig. 22, PL sparsipora^ is Rotalia orhicu- 

 larisj seen with its flat face upwards : it has a clear colourless 

 shell, with very fine pores. The few holes shown in the figure 

 are perhaps borings. Fig. 23, PL stellaris^ is a young, close- 

 built Planorhidina Haidingerii^ with some more limbation 

 than usual. Fig. 24, RohuUna cristellina^ looks like a delicate 

 Oristellana rotulata. Fig. 25, Gristellaria incrassata^ is a 

 strongly limbate G. cultrata. 



Belonging to a fauna inhabiting from about 50 to 90 fa- 

 thoms depth. 



Species and noticecdile Varieties from ^gina (No. 2) 

 figured hy Ehrenherg. 



1. Nodosaria filiformis, D'' Orh. 



2. Gristellaria rotulata (Lamk.). 



3. cultrata {Mtff.). 



4. Bolivina punctata, i)' Orb. 



5. argus (Ehr.). 



6. sulcata (Ehr.). 



7. dilatata, Rss. 



8. Virgulina Sclireibersii, Gzjzek. 



9. gemma {Ehr.). 



10. Globigerina hulloides, i)' Orb. 



11. Planorhulina Haidingerii (D^Orb.). 



12. denticulata (Ehr.). 



13. globulosa (Ehr.). 



14. Planulina ariminensis (?), D^ Orb. 



15. Rotalia orbicularis, D' Orb. 



16. Miliola (young). 



