CONTENTS. 
List of Plates ... 
Letter of Transmittal, by E. F. Pittman, Esq., A.R.S.M. 
Author’s Preface 
MEMOIR. 
I. — Introduction 
II. — History of the Genus... 
III. — Relation and Systematic Position ... 
IV. — General Structure of Australian Tryplair 
Y. — Description of the Genus and Species 
1 . 
Tryplasma 
generic synonymy 
o. 
11 
generic description 
3. 
11 
Lonsdale, i 
4. 
11 
,, var. scalariformis ... 
5. 
11 
,. var. minor... 
G. 
11 
delicatula 
7. 
11 
vermiformis 
8 . 
11 
congregationis ... 
9. 
11 
columnaris 
10. 
11 
s l> 
11. 
11 
dendroidea 
12 . 
11 
derrengullenensis 
13. 
11 
wellingtonensis 
14. 
11 
S P 
15. 
11 
Murrayi 
16. 
11 
liliiformis 
17. 
11 
princeps 
