PLATE 111. 



AULOSPH^EIDA. 



Diarn. Page 



X 30 1634 



Fig. 1. Aulonia hexagonia, n. sp., . 

 The complete spherical shell 



X 300 1621 



Fiff 2. Aularia ternaria, n. sp., 



A group of six triangular meshes, with seven nodal points of radial tubes 

 Behind the central capsule, with its double membrane (e, outer, 

 i inner) and radiate operculutn (o); u, the two outer parapyto ; 

 v, vacuoles in the protoplasm. The ellipsoidal nucleus (n) contains 



numerous nucleoli (/). 



x 50 1635 

 Fig. 3. Aulastrum tnceros, n. sp., . 



The complete shell 



X 300 1635 

 Fig. 3a. Aulastrum tnceros, n. sp., . 



A single radial tube. 



Figs. 4a, 4&, 4c. Aulastrum dendroceros, n. sp., 



Three single radial spines (taken from three different specimens). 



. , . X 300 1631 



Fig. 5a. Aulophacits lenticularis, n. sp., . 



A single radial spine. 



,.,. x 300 1631 



Fig. 5b. Aulophacus amphidiscus, n. sp., 



A single radial spine. 



x 5 1632 

 Fig. 6. Aulatractus fusiformis, n. sp., 



The complete shell, five times enlarged. 



X 20 1632 



Fig. 6a. Aulatractus fusiformis, n. sp., 



Apical part of the shell. 



., - X 400 1632 



Fig. 6&. Aulatractus fusiformis, n. sp., 



A single radial tube. 



X 20 1632 

 Fig. 7. Aulatractus dtploconus, n. sp., 



Apical part of the shell. 



x 400 1632 

 Fig. 7a. Aulatractus diploconus, n. sp., 



A single radial tube. 



. x 50 1630 



Fig. 8. Auloplegma perplexum, n. sp., 



Half the shell. 



x 400 1630 

 Fig. 8a. Auloplegma perplexum, n. sp., 



A single radial tube. 



Fig. 9. Auloplegma spongiosum, n. sp., 

 A single radial tube. 



