SCHEME OF THE CLASSIFIGATIOlSr ADOPTED 

 IN- THIS BOOK 



2'Ae natnes of extinct groups are printed in italics. 

 PROTOZOA (pp. 1, 48). 



' Ehizopoda 



(p. 51) 



Foraminifera 



(p. 58) 



SARCO- 

 DINA 



(p. 51) 



Heliozoa 



(p. 70) 



Radiolaria 



(p. 75) 



/ Lobosa (p. 51). 

 \ Filosa (p. 52). 

 ' Allogroniidiaeeae (p. 58). 



Astrorhizidaoeae (p. 59). 



Lituolidaceae (p. 59). 



Miliolidaoeae (p. 59). 



Textulaviaceae (p. 59). 



Cheilostomellaceae (p. 59). 



Lagenaoeae (p. 69). 



Globi^'el■imdae (p. 59). 



Rotaliaceae (p. 59). 

 , jSTuramulitaoeae (p. 59). 

 I Aphrothoraca (p. 70). 

 I Chlamydophora (p. 71). 

 I Chalarotlioraca (p. 71). 

 I Desmothoraca (p. 71). 



r r 



CoUodaria 



(p. 77) 



Porulosa 

 = Holo- 



trypasta 



(p. 76) 



Spnmellai'ia 

 = Peripylaea< 

 (pp. 76, 77) 



Sphaerellai'ia 

 (p. 77) 



Acantliaria 

 = Aotipylaea 

 (pp. 76, 78) 



Osculosa [jTassellaria 

 = Mono- =Monopylaea 



(Continued on the next page.) 



ix 



Colloidea 



(p. 77). 

 Beloidea 



(p. 77). 

 Spliaeroidea 



(p. 77). 

 Prunoidea 



(P- 77). 

 Discoidea 



(p. 77). 

 Larcoidca 



(p. 77). 

 Actinolida 



(p. 78). 

 Acanthonida 



(p. 78). 

 Sphaeropliracta 



(p. 78). 

 Priinopliracta 



(p. 78). 

 Nassoidea 



(p. 78). 

 Plectoidea 



(p. 78). 



