TABLE OF CONTENTS. 
PacE PaGE 
NOUR Spans «: Soyo" Sago! tow pial Podophora atrata Agass.; Plates 2, 
Colobocentrotus eine 1 figs. 1-3; 3°, figs. 5-8; 16, figs. 
Colobocentrotus Mertensii Br. 1 9-14 ; 17-28, 31, figs. 6-8. . . . 14 
Colobocentrotus Stimpsoni A. Ag. . 1 Podophora pedifera Agass.; Plates 1, 
IRodophora; Agasssaa en Tn een 2 3°, figs. 7-4; 4-16, figs. 1-8; 31, 
Podophora atrata Agass. . 2 the ih a Boe s if) 
Podophora pedifera Agass. . 2 | The Lanterns and Auricles of Giese 
Colobocentrotus and Podophora 3 trotus and Podophora; Plates 13-15, 
Colobocentrotus Mertensii Br. ; Plates 26-28,44 ..... So 
2, figs. 8-13 ; 3%, figs. 9-11; 30, 32, The Spicules of the Podivelne Plates 
figs. 5-8 ; 35, 36, 39, figs. 3, 4; G4) Ge cg ec 26 
44, 45, figs. 6-10 . hee . 7 | The Pedicellarie; Plates 37-6; 17-19; 
Colobocentrotus Stimpsoni A. cae. ; FAS) Gil) 27 
Plates 2, figs. 4-7 ; 29, 32, figs. 1-4 ; The Spheridia, Plates 31, 32, a Gystas 
33, 34, 37, 38, 39, figs. 4-5 ; 40-45, canths, Plates 1=3). . .-.-.. . 30 
figs: 1-05. away eee ee eee 
