128 
Reef Sponge 55 
Color of 50 
Salt Water Silicious Sponges 60 
Color of 72 
Forms of 64 
Habits of 68 
Odor of 68 
Water system of 61 
Scarlet Sponge 65 
Color of 73 
Habits of 69 
Silicious Sponges 60 
Skeleton of Tube Spenge 25 
Smitza aulopora 67 
Spiculigenous Sponges 59 
Sponge Camps 53 
‘¢ Crawl 53 
‘* Hook dl 
Spongers 51 
Sponges in History 81 
* of Time ooh 
‘* sold by auction 55 
‘ 
é 
‘* without spicules or fiber 
INDEX 
