SCHEME OF THE CLASSIFICATION ADOPTED 

 IN THIS BOOK 



The names of extinct groups are printed in italics. 

 PROTOZOA (pp. 1, 48). 



f Rhizopoda 



(p. 51) 



Foraminifera 



(p. 58) 



SARCO- 

 DINA 



(p. 51 : 



/ Lobosa (p. 51). 

 1 Fil 



Heliozoa 



(p. 70) 



losa (p. 52). 

 ' Allogroniidiaceae (p. 58). 



Astrorhizidaceae (p. 59). 



Lituolidaceae (p. 59). 



Miliolidaceae (p. 59). 



Textulariaceae (p. 59). 



Cheilostomellaceae (p. 59). 



Lagenaceae (p. 59). 



Globigerinidae (p. 59). 



Rotaliaceae (p. 59). 



jNummulitaceae (p. 59). 

 t Aphrothoraca (p. 70). 

 J Chlamydophora (p. 71). 

 j Chalarothoraca (p. 71). 

 I Desmothoraca (p. 71). 



Radiolaria 



(p. 75) 



I 



Porulosa 

 = Holo- 

 trypasta 



(p. 76) 



Spumellaria 

 = Peripylaea^ 

 (pp. 76, 77) 



Collodaria 



(p. 77) 



Sphaerellaria 



(p. 77) 



Acantharia 

 = Actipylaea 



(pp. 76, 78) 



Osculosa 

 = Mono- 



j j^assellaria 



= Monopylaea 



W { <*'> 



{Continued on the next page.) 



f Colloidea 

 I (p. 77 

 | Beloi'lca 

 I (1>- 77). 

 ' Sphaen 



(p. 77). 

 Pranoidea 



(p. ; 



Discoid* -a 



(p. 77). 

 Larcoidca 



(p. 77). 

 AounelicU 



(P- M 

 Aeanthonida 



p. 78). 

 Sphaontp! il 



(p. 78). 

 Prunophracta 



( P . : 



dea 



(P. 78). 



PI. ct (idea 



(p. 78). 



ix 



