V. ECHINODERMA 
ARRANGED BY 
II. B. PRESTON. 
CONTENTS. 
I. Titles 
II. Subject Index : — 
General = 1003 : — 
1. 
2 . 
3. 
4. 
5. 
6 . 
7. 
8 . 
9 . 
Structure = 1007 : — 
1. General accounts 
2. Symmetries (vacant). 
3. Homologies of classes. . 
4. Skeletal tissue or Stereom . . 
5. Skeletal anatomy 
6. Ilydrocoel, Respiratory organs, etc. 
7. Other body cavities and their contents (vacant). 
8. Digestive system, Cuvierian organs . . 
9. Nervous system and sense-organs . . 
10. Mesodermal tissues (vacant). 
11. Axial organ 
12. Generative organs and gonads 
Historical (vacant). 
General treatises and Monographs 
Bibliography (vacant). 
Pedagogy 
Museums 
Technique 
Nomenclature . . . . . . 
Local lists 1 
Ethnology /( vacant) - 
PAGE 
4 
10 
10 
10 
11 
11 
11 
11 
11 
11 
11 
11 
11 
11 
11 
b 5 
(n- 13246 ra) q 
