44 
room xii. the Argus frog or North American spotted bull- 
Nat. Hist, frog ; the pipa or Surinam toad, remarkable for 
producing its young from numerous cells on its 
back ; the blue and yellow frog; the large tad¬ 
pole of the frog called the paradoxical frog, a na¬ 
tive of Surinam. 
Among the lizard tribe may be observed, the 
salamander; chamaeleon : the guana ; the embroi¬ 
dered lizard, from New Holland ; several young 
crocodiles of different sizes and kinds ; and in one 
bottle the egg of a crocodile, with a young one 
of a few days’ growth. The siren, from South 
Carolina, resembling in shape and colour a large 
eel, furnished with two short legs, situated near 
the head, and three pair of branched gills on 
each side of the neck ; the Austrian siren, an ex¬ 
tremely rare animal, an inhabitant of the lake 
Circnitz or Zitticher Sea, in the duchy of Carnio- 
lia; it is about thirteen inches in length, and of 
a very pale or whitish rose-colour, with four legs, 
very distant from each other. 
Among the serpents, the. most remarkable are 
the following, viz. rattle-snakes of different spe¬ 
cies, from North and South America ; the cobra 
de cappello, or spectacle snake, from the East 
Indies; the hom-nosed snake, from the interior 
of Africa; the cerastes or horned viper, from 
Africa; the sea green boa, with white bars on 
the 
