{NDEX _ 128 
Fleshy Sponges 77 
Color of 79 
Geographical range of 79 
Habits of 78 
Forms of Silicious Sponges 64 
Fresh Water Silicious Sponges 74 
Color of 76 
Habits of 75 
Fringing Sponge 40 
Funicula 41 
Gathering and preparing Commercial Sponges 5] 
General conclusions 94 : 
Giant Cup Sponge 40 
Glove Sponge 55 
Goat Sponges 39, 41, 50 
Grass Sponge 65 
Gray Cup Sponge 65 
Color of 73 
Habits of 70 
Green Cup Sponge 66 
Color of 73 
Habits of 70 
Green Incrusting Sponge 74 
Habits of Horny Sponges 43 
