14 



EHIZOPODA. 



Triloculina (D'Orb.) . Shell unequal-sided, formed 

 of parts not corresponding ; aggregation on three 

 opposing faces. 



T. striata. 



oblonga. Fig. 19; If. 



Quinqueloculina (D'Orb.). As Triloculina, but 

 the aggregation on five opposing faces ; five cham- 

 bers apparent at all ages. 



Q. seminulum. 



subrotunda. Fig. 18 ; .£. 



Adelosina (D'Orb.). As Quinqueloculina, but 

 the fiYe chambers are apparent only in the adult 

 state. 



A. bicornis. Fig. 22 ; 8.. 



22 



Genus of uncertain place. 



Noctiluca (Suriray). Shell-less; covered with a 

 transparent membrane ; globose, but slightly two- 

 lobed; with a flexible tentacle, but without change- 

 able processes; swimming freely in the sea; 

 luminous. 



N. miliaris. Fig. 21 ; 2_5. 



