V. ECHINODERMA 
ARRANGED BY 
II. B. PRESTON. 
CONTENTS. 
PAGE 
I. Titles .. .. .. .. .. .. .. .. 4 
II. Subject Index: — 
General = 1003 : — 
1. Historical .. .. .. .. .. ..10 
2. General treatises and Monographs (vacant) 
3. Bibliography .. ' .. .. .. .. ..10 
4. Pedagogy . . . . . . . . . . . . 10 
5. Museums .. .. .. .. . . .. 10. 
6. Technique . . . . . . . . . . . . 10 
7. Nomenclature (vacant) 
8. Local lists (vacant) 
9. Ethnology . . . . . . . . . . 10 
Structure = 1007 : — 
1. General accounts . . . . . . . . . . 10 
2. Symmetries . . . . ' . . . . 10 
3. Homologies of classes. . . . . . . . 10 
4. Skeletal tissue or Stereom (vacant) 
5. Skeletal anatomy . . . . . . . . . . 10 
(5. Hydrocoel, Respiratory organs, etc. . . . . 10 
7. Other body cavities and their contents (vacant) 
8. Digestive system, Cuvier ian organs . . . . . . 10 
9. Nervous system and sense-organs (vacant) 
10. Mesodermal tissues (vacant) 
11. Axial organ .. .. .. .. .. .. 10 
12. Generative organs and gonads (vacant) 
a 6 
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