PLATE XXIII. 



PAGE 



Fig. 1. Thrinacophorafuniforniia, large, unequal ended, oxeote spicule, x 122, 195 



Figs, la, lb. StyH; x 122. 

 Figs. Ic, Id. Smaller oxea; x 190. 

 Figs, le, If. Cladostrongyla ; x 190. 

 Fig. Ig. Trichodragmata ; x 190. 



Fig. 2. Teda7iia 7nassa, stylna ; x 190, . . . . .54 



Figs. 2a, lb. Tornota; x 190. 



Figs. 3, 3c(. Desmacidon (Homoeodictya) kerguelenensis, oxeSi ; x 190. . . 110 



Fig. 35. Isochela, side view; x 512. 

 Fig. 3c. Isochela, front view; x 512. 



Figs. 4, 4a. Desmacidon {f) ramosa, oxea. ; x 190, .... 107 



Fig. ib. Isochela, side view; x 512. 

 Fig. 4c. Isochela, front view : x 512 



Figs. 5, 5rt. Desmacidon conulosa, oxea; xl90, . . . . 106 



Fig. 5&. Isochela, side view; x 512. 

 Fig. 5f. Lsochela, front view ; x 512. 



Figs. 6, 6a, 66. Trachytedania patagonica, s^inQdiStyli; x 190, . . 57 



Fig. 6c. Oxeote spicule ; x 190. 



Figs. 7, 7a. Desnyxcidoii reptans, oxen; xl90,. . . . . 105 



Fig. lb. Isochela, side view; x 512. 

 Figs. 7c, Id. Sigmata; x 512. 



Figs. 8,8a. Phelloderma radiatuin, aijYi {i)o\yty\oie); x 190, . . .114 



Fig. 85. Isochela, side view; x 512. 



Fig. 8c. Isochela, front view, the two front teeth united ; x 512. 



Fig. 8(7. Isochela, front view, the two front teeth separate; x 512. 



Figs. 9, 9a. Tedania commixta, suhtY\os.ty\i ; x 190, . . .53 



Figs. 96, 9c. Tylota; x 190. 



Figs. 10, 10«. Desmacidon Jruticosa, vav., oxen; x 512, . . . 104 



Fig. 105. Isochela, side view; x 512. 

 Fig. 10c. Isochela, front view ; x 512. 

 Fig. lOrf. Oxeote spicule ; x 1 90. 



