V. ECHINODERMA 
ARRANGED BY 
H. B. PRESTON. 
CONTENTS. 
PAGB 
I. Titles 4 
II. Subject Index : — 
General == 1003 : — 
1. Historical . . . . . . . . . . . . 14 
2. General treatises . . . . . . . . . . 14 
3. Bibliography . . . . . . . . . . 14 
4. Pedagogy . . . . * . . . . . . . . 14 
5. Museums .. .. . . .. .. ..14 
6. Technique . . . . . . ... . . 14 
7. Nomenclature . . . . . . . . . . . . 14 
Structure = 1007 : — 
1. General accounts . . . . . . . . . . 14 
2. Symmetries . . . . . . . . . . . . 14 
3. Homologies of classes . . . . . . . . 14 
4. Skeletal tissue . . . . . . . . . . . . 14 
5. Skeletal anatomy . . . . . . . . . . 14 
(>. Hydrocoel, etc. . . . . . . . . . . 15 
7. Other body cavities (vacant) 
8. Digestive system .. .. .. .. .. 15 
9. Nervous system . . . . . . . « . . 15 
10. Mesodermal tissues (vacant) 
11. Axial organ (vacant) 
12. Generative organs .. .. .. .. .. 15 
(n-8913 m) a 7 
