INDEX 
TO 
RADIATA. 
ECHINODERMA-SEA-NETTLES-ZOOPHYTA— PEOTOZOA— PORTPERA. 
Page 
Page 
Class 1 — ECHINODERMA or Spiny Skins 
Class III. — ZOOPHYTA or Polypi (Zoophytes 
(Ecu inodermata), 
391 
OR Polyps^, 
398 
Order 
I., Echinoidea (Sea-eggs or Sea-urchins), 
392 
Sub-class 
I., Anthozoa, .... 
398 
Family 
1, Echinidse (I'rue Sea-eggs), 
392 
Order 
I., Anthozoa Hydioida (Hydroid Polyps), . 
398 
2, Cidaridse (the Diadems), 
393 
IL, Anthozoa Asteroida (Asteroid Polypses), 
399 
3, ScutellidEB (The Cake-urchins), 
393 
Family, 
Conmlaria, .... 
400 
4, Galeritid®, .... 
5, Echinolampasidse, . . . 
393 
U 
Gorgoniid® (Gorgonias), 
400 
ii 
393 
(( 
Tubiporid® (Organ Corals), 
400 
U 
6, Spatangid®, (The Heart-urchins), 
393 
t( 
Coralliid® (the Calcareous Corals), 
400 
Order 
II., Asteroidea (Star-fishes), . 
393 
Genus, 
Family, 
Corallium, .... 
400 
F amily 
1, Asteriid® (True Sea-stars), , . 
2, Astropectenidse, . . 
394 
Hyalonemid® (the Glass-rope Corals), . 
400 
394 
U 
Pennatulid® (Sea-pens), 
400 
(( 
3, Pentacerotid®, .... 
394 
Genus, 
Pennatula, .... 
400 
4, Asterinid® (the Birds-foot Stars), 
b, Ophiurid® (Lizard-taihd Star-fishes), 
394 
Virgularia, .... 
400 
u 
394 
Order 
[IL, Anthozoa Helianthoida(.Zoant/(OJ(7Po/y/)e6), 40C 
The True Lizard-tails (Ophiura), 
395 
Family, 
Actiniid® (Sea-anemones), 
401 
The Gorgon-heads (Astrophyton), 
The Common Medusa’s Head (Astrophy- 
395 
Coralliphora (Stony Corals), 
401 
395 
Family, 
Madreporitid®, .... 
401 
ton Arhorescens), 
395 
u 
Milleporid®, .... 
401 
Order 
III , Crinoidea (Feather-star^, 
395 
Sub-class 
IL, Polyzoa or Bryozoa (Molluscan Zoophytes), 402 
Family, 
Pentacrinitid®, 
395 
Order 
I., Infundibulata, . . 
402 
Genus, 
Pentacrinus, . . . . 
395 
(( 
IL, Hippocrepia, . . . 
402 
a 
The Pentacrinus caput-medus®, 
395 
(t 
Comatula (the Feather-star), 
395 
Order 
IV., Holothuroidea (Sea-cucumbers), 
395 
Holothuria nigra (the Nigger or Cotton- 
spinning Trepang), 
396 
Class IV.— PROTOZOA, 
403 
Order 
V., Sipunculoidea (Siphon-worms), 
396 
Order 
I., Infusoria (Infusory Animalcules), . 
IL, Rhizopoda or Foraminifera, . . 
403 
404 
Class II. — ^Tiie SEA-NETTLES or Acalephs 
(Acalepha?), 
396 
Class V. — POEIFERA (the Sponges), 
404 
Order 
I., Pulmograda or Discophora, 
397 
The Homy Sponges (Cornea), 
405 
“ 
IL, Ciliograda or Ctenophora, . . 
397 
Genus, 
Spongia, . . . . 
The Siliceous Sponges (Silicea), , 
405 
(( 
III. , Cin'higrada, .... 
IV. , Physograda, .... 
398 
405 
398 
A 
The Calcareous Sponges (Calcarea), . 
405 
