150 Scientific Intelligence. 
The foregoing animals all realize the typical idea of a true foot, 
with a variable amount of friction at the ankle-joint ; this frietion 
t 
of progression realizes absolute mechanical perfection, as no force 
ete is consumed by the friction of the flexor tendons at the 
“The only animals whose feet eee from the typical foot 
were three, viz: alligator, common cupine, and phalan ger. 
In these animals the foot has the aisiceieal action of a han 
grasping organ; and the flexor tendons above the ankle es 
those below the ankle by the following amounts :— 
1. Alligator --.- ae aero cent. 
ommon Poreupine- ae ects 20 
2 Manger fe el 203 * 
In the case of the flexor tendons of the hand, I obtained the fol- 
lowing results :— 
TABLE II. _— of Deep Flexor Tendons of Hand. (Cross section of muscle ten- 
dons greater than cross section g finger tendons.) 
Amount of Amount of 
friction. friction 
per cent per cent 
1. Common Porcupine -------- 71°0| 8. Negro-Monkey ------------- 
2 Mee ene 49°2| 9, Spider-Monkey ------------ 26° 
3. Nemestrine Macaque _____.- 40°T| 10. Bengal Tiger -.....-------- 22°71 
4. Capuchin Monkey __.._-__._ 35 11.2 Comnion Fox unc ee sess 20°7 
5. Virginian Bear -...--.....- 35-0 | 12. Pyrenean Mastiff -__-------- 
6. European Wolf -.........-- e148) 42 Gok ee 0-0 
1. Japanese Bear .........__2- 30 
It will be observed that the fore foot of the goat, regarded 
simply as an organ of locomotion, attains a perfection compara le 
with that of the hind foot of the kangaroo, no force being lost by 
friction at the wrist-j 
The only animal in which I found a departure from the typical 
hand was the llama, in which the flexor tendons + a ngers 
exceed the flexor tendon above the wrist by 144 per 
ists who have sarehally 8 studied those habits. I shall merely add 
combinations of fingers or toes may be explained satisfactorily el 
the minute —— of the arrangement and several stre feels of th 
Meteors of Nov. 27th, 1872, in zens. a the last num- 
ber of this Journal were given accounts of meteors seen on the 
ereniuge hee es i ult. in this < country The at es - 
