V. ECHINODERMA 
ARRANGED BT 
H. B. PRESTON. 
CONTENTS. 
PAGB 
I. Titles . . . . . . . • . . . . . . . . 4 
II. Subject Index : — 
General = 1003 
1. Historical .. .. .. 12 
2. General treatises .. .. .. .. .. 12 
3. Bibliography .. .. .. .. .. ..12 
4. Pedagogy (vacant) 
5. Museums (vacant) 
6. Technique .. .. .. .. .. ..12 
7. Nomenclature.. .. .. .. .. .. 12 
Structure = 1007 : — 
1. General accounts . . . . . . . . . . 12 
2. Symmetries .. .. .. .. .. ..12 
3. Homologies of classes (vacant) 
4. Skeletal tissue . . . . . . . . . . . . 12 
5. Skeletal anatomy . . . . . . . . . . 12 
6. Hydrocoel, etc. (vacant) 
7. Other body cavities (vacant) 
8. Digestive system (vacant) 
9. Nervous system (vacant) 
10. Mesodermal tissues (vacant) 
11. Axial organ (vacant) 
1 2. Generative organs (vacant) 
(n- 9974 m) b 5 
