138 
NATURAL HISTORY. [NEW BUILDING. 
Holaster 
Disaster 
Fam. 5. Spatangid<s. 
Hemipneustes 
Micraster—9 
Brissus —9 
Brissopsis 
Ova—10 
Toxaster 
Amphidetus—10 
Spatangus—10 
Echinocardium—10 
Echinoneus—10 
Fachygaster 
Echinocorys—10 
Class II. 
Hypostojiata. 
Ord. I. Asteroida. 
Fam. 1. Asteriadce. 
Asterias—11, 12 
Heliaster—12 
Tonia—12 
Fam. 2. Astropectinidce. 
Nauricia—13 
Astropecten —13, 14 
Luidia —14 
Petalaster—14 
Solaster—14 
Polyaster—14 
Henricia—14 
Aspidura 
Ophiurella—20 
Anoura 
Fam. 2. EuryalidcB . 
Astrophyton—22, 23 
Euryale—24 
Natalia—24 
Laspalia—24 
Class III. 
Blast eroida. 
Fam. 1. Pentrerrdtidce. 
Pentremites — 24 
Orbitremites 
Class IV. 
Order II. Holotku- 
RIDA. 
Fam. 1. Holothurid'S. 
Holothuria 
Trepang 
Mulleria 
Bohadschia 
Fam. 2. Cuvieriadce . 
Cuvieria—10 
Psolus 
Fam. 3. Synaptidce. 
Synaptes 
Chirodota 
Thyone 
Fam. 4. Pentactidce. 
Pentacta 
Fam. 5. Siphunculidce 
Siphunculus—10 
Fam. 3. Pentaceridce. 
Culcita 
Pentaceros—15 
Stellaster—16 
Hippoaster—16 
Calleaster—16 
Goniaster—16 
Echinaster—19 
Gymnasteria— 17 
Dactylosaster— 17 
Stellonia—17 
Cribrella—17 
Linckia—17 
Fam. 4. Asterinid<z. 
Palmipes—18 
Asterina—18 
Ord. II. Ophiurida. 
Fam. 1. Ophiuridce. 
Opkiosoma—19, 20 
Ophiura—20 
Rosula—20 
Sph^eron o id a. 
Sphaeronites 
Hemicosmites 
Cryptocrinites 
Class V. 
Cri noidea. 
Fam. 1, Pentacriniiidce. 
Comatula—24 
Pentacrinites, &c. 
Fam. 2. Apiocrinitidce . 
Apiocrinites 
Holopus, &c. 
Fam. 3. 
Cyathocrimtidce. 
Cyathocrinites 
Marsupites 
Fam. 4. Asterocomida. 
Asterocoma. 
[Continued at p. 148.] 
THE THIRD ROOM 
The Table Cases contain the continuation of the col¬ 
lection of Radiated Animals, consisting of such as 
are covered with a smooth skin ; in some the outer skin is 
hardened into a sheath for the protection of the con¬ 
tractile body of the animal, while in others the body of 
the animal itself, as it enlarges in size, is gradually trans- 
formed into a hard and stony coral, by the continual 
