Preuishng function. "He also examin 
ao Scientific Intelligence. 
- Mollusks with few exceptions, some Echinoderms, &c. Inthe Meduse _ 
water is bese og. * 
and Polyps, Maga of chyle, chyme mixed with 
u 
may | . 
be seen sae in Beroé. Prof. Agassiz thinks that the ite 
development of the higher animals oe a similar succession in the 
connection of respiration 
on by the respiration ; the gills of fishes, then, cannot be oo to 
the gills: * Crustacea; Articulata and Mollusks. No gills are connected - 
with the chymiferous Horeca ; animals having this circulation have 
* no true respiration; they have only tubes to distribute freely aérated 
accordingly, if we contrast the fauna of the old continents of geogra- 
phers with the zoology of Australia and New Zealand, we find a wide 
difference in the degree of organization which creation has reached in 
not yet been sent to ree country, the most highly soa anima 
hitherto discovered, either fossil or recent, is a bird; in Australia, if 
and which are perhaps the lowest rep- 
resentations of their class,* while the low organization of its botany is 
indi icated by the remarkable absence of fruit bearing trees, the Ce- 
realia, &c. 
* The genera, Talegalla, Leipoa, and Mega — rt of a great family of 
birds inhabiting Australia, New Guinea, ghey ces the Phillippin e Islands, whose 
—— ions orate are most sin and differ sag ps a suas other group 
ist 
most nearl allied to the linacece, while in some of their actions, in their 
mode of fight, they much mble the lide; the small size of their brain, 
coupled wi i means ed for - 
—— Neeret ie te of organization. rfor a 
ae three species of _pieliing Amira, Laie erable to three 
distinct genera, have many | 1, p of nidifica- 
” a 
: 
ee 
