PLATE 103. 



AULACANTHIDA. 



Fig. 1. 



Fig. 



10. 



Fig. 



11. 



Figs 



. 12, 



Fig. 



14. 



Fig. 



15. 



Fig. 



16. 



Fig. 



17. 



Figs 



. 18, 



Fig. 



20. 



Fig. 



21. 



Fig. 



22. 



Fig. 



23. 



Fig. 



24, 



Fig. 



25. 



Fig. 



26. 



Fig. 



27. 



Aulographis candelabrum, h. sp., ....... 



p, The dark phseodium surrounding the central capsule on its oral part ; a, a part of the sur- 

 rounding alveolate calymnia, - also surounding the central capsule ; s, the veil of tangen- 

 tial needles covering the surface of the alveolate calymma ; r, the big radial tubes, 

 seven of which are visible, with an elegant verticil of terminal branches ; /, the numer- 

 ous pseudopodia radiating between the branches. The central capsule exhibits the 

 following parts : — o, Astropyle ; u, parapylfe ; e, outer membrane ; i, inner membrane ; 

 v, vacuoles ; n, nucleus ; I, nucleoli. 



). Aulographis pandora, n. sp., ....... 



Distal ends of various radial tubes of a single specimen, exhibiting the extraordinary varia- 

 bility of this species. 

 Aulographis furcula, n. sp., ....... 



A two-branched tube. 

 Aulographis furcula, n. sp., ....... 



A three-branched tube. 

 13. Aulographis bovicornis, n. sp., 



Two tubes with two branches. 

 Aulographis bovicornis, n. sp., . . 



A tube with three branches. 

 Aulographis triangidum, n. sp., 



A single tube. 

 Aulographis taumorpha, n. sp., . . . 



Two tubes, each with two branches. 

 Aidographis trlglochin, n. sp., 



A tube with three branches. 

 19. Aulographis hexancistra, n. sp., ...... 



Distal end of two tubes (one with four, the other with five terminal branches). 

 Aulographis dentata, n. sp., ....... 



Distal end of a single tube. 

 Aidographis ancorata, n. sp., ....... 



Two tubes, each with four recurved branches. 

 Aulographis tetrancistra, n. sp., . 



A single tube. 

 Aulographis stellata, n. sp., . 



a and b, Two rudimentary or incompletely developed tubes ; 

 the usual form. 

 Aulographis aster iscus, n. sp., 



Terminal verticil of a single tube. 

 Aulographis cruciata, n. sp., 



Distal end^of a single tube. 

 Aulographis pidvinata, n. sp., . 



Distal end of a single tube. 



Aulographis ncrridata, n. sp., 



Distal end of a single tube. 



Diam. 

 100 



1583 



well-developed tube of 



x 100 



1577 



X 



400 



1580 



X 



400 



1580 



X 



200 



1577 



X 



200 



1577 



X 



200 



1580 



X 



300 



1577 



X 



300 



1578 



X 



300 



1581 



X 



200 



1582 



X 



300 



1578 



X 



300 



1581 



X 



300 



1578 



X 



300 



1581 



X 



300 



1578 



X 



400 



1582 



X 



400 



1582 



