STAR-FISH GALLEKY. 
51 
and Toads. All these animals live during some period of their 
existence in the water, when they breathe by gills, and are in 
this respect akin to fishes. The comparatively enormous size 
attained by certain tropical species of Frogs and Toads (fig. 26) 
should be noticed. The largest representative of the group is 
the Giant Salamander of Japan. 
IV. A small gallery is called the Star-Fish Gallery, from being scar-Fish 
specially devoted to Star-Fishes and their allies — the Echino- . , 
. . (See fepecial 
DERMA; these are arranged systematically m table-cases 1-6, Guide, price 
Fig. 26. — !S. Ami-kican Hohne-d Frog (Ceratophryi coriintm). 
and in case 7 there are specimens illustrating the anatomy 
of the skeleton, and models and figures descriptive of the 
remarkable changes undergone by these animals in the course of 
their development. A nearly complete example of a 
Ilrittlestar {Ojphioinastix) may be noticed, and on the tops 
of cases 5 and 6 are examples of Diadema and Echinus. 
In a separate case on tlie east side of the gallery is 
Luidia savvjnci from Mauritius, one of the largest known 
star-fish. The most beautiful and remarkable specimens in 
tlie gallery are tlie stalked Crinoids, or Sea-Lilies, collected 
E 2 
