VISCERA. 
Vascular System. 
More complex, 
Terrestrial. 
Less, 
Aquatic. 
More complex. 
Terrestrial. 
Less. 
Diving Birds. 
More complex. 
Lizards. 
Less. 
Batrachia. 
More complex. 
Cartilaginous. 
Less. 
Osseous. 
More complex. 
Crabs. 
Less. 
Scolopendre. 
More complex. 
Grylli. 
Less. 
Hymenoptera and 
Diptera. 
More complex. 
Snail, Leach. 
Less. 
Tenia. 
More complex. 
Those which live 
wholly in air. 
Less. 
Aquatics and Aco- 
tyledonous. 
15 
| Nervous SysTEM. | OssEous SysTEM. 

Brain. 
Plus. 
Man and jproxi- 
mates. Hemi- 
spheres to cerebel- 
lum 1 to 1-gth. 
Minus. 
Mouse. 
Hemispheres to ce- 
rebellum 1 to 1 half. 
Brain. 
Plus. 
Eagle, 1 to 160 
weight of body. 
Minus. 
Siskin 1 to 230. 
Central Mass. 
Plus. 
Lacertz, Chelonia, 
and Ophidia. 
Minus. 
Batrachia. 
Spinal Mass. 
Plus. 
Long in Salmo, 
&e. 
Minus. 
Short in Lophius, 
&e. 
Cerebral Ganglion. 
Larger. 
Varying in most 
divisions. 
Less. 
Variable. 
Cerebral Ganglion. 
Variable with re- 
spect to nerves. 
Some more, some 
fewer ganglia. 
Ganglia. 
Tn all diminish, in 
some disappear. 
Nerves radiate from 
a collar. 
Nerves appear as 
separate globules. 
Sensibility. 
Plus. 
Hedysarum. 
Minus. 
Musci: and Lich- 
ens, which bear 
drying and revive. 

Plus and Minus. 
Dorsal vertebre. 
Bradypus 23. 
Man 12. 
Supporting ribs. 
Cervical, Man 7. 
Bradypus 9. 
Owl, vertebre 4o. 
Heron 42. 
Dorsal vertebre 
fixed in most birds, 
moveablein Ostrich 
and Cassoary. 
Vertebre dorsal 
and sacral. Fixed 
in Tortoises. Move- 
able in Sauria. 
Number variable. 
Carp, vertebre 41, 
caudal 16. 
Gadus lota Barbel, 
total 57, caudal 33, 
Eel 115, 
Shark 200. 
Jointed Shells. 
Plus. 
Lobster. 
Minus. 
Crab. 
Plus. 
Scolopendra. 
Minus. 
Scorpion. 
Sections of Abdo- 
men, &c. 
Plus. 
Hymenoptera, 
Neuroptera, &c. 
Minus. 
Pediculus, Acarus. 
Vertebral-shaped 
cartilages of Ce- 
phalopoda. 
Jelly like fibres. 
Jointed and hard 
externally. 
Bamboo. 
Unjointed, Rush. 
Hard internally. 
Box, Ebony, &c. 
SLEEP. 
By day. 
Carnivora. 
By night, at in- 
tervals. 
Herbivora, Roden- 
tia. 
By day. 
Owls,Caprimulgus. 
By night. 
The greater num- 
ber. 
By day. 
Serpents. 
By night. 
Lizards. 
By day. 
Eels. 
By night. 
Those which feed 
and sport in sun- 
shine. 
Salmon, &c. 
By day. 
Scorpions. 
By night. 
The smaller aqua- 
tics, Prawns, &c. 

By day. 
Chaffers, Moths. 
By night. 
Butterflies, Bees. 
By day. 
Snails, Worms. 
By night. 
Nautili, and others 
which expand in 
sunshine. 
By day. 
Anagallis, Cereus. 
By night. 
Tulips, Anemones, 
&e. 
