Zoology. 285 
a lopment. But in some of the Rodentia, I have observed, even in 
same animals, both modes’ of development. In fact, two parent 
sh —_ side by shiva one of which the spermatic particles are 
elimina by the fascicular, while in. the other by the special-cell 
mo “The results were exactly the antes and the particles of each 
could not be distinguished from each o We have here, then, a 
single identical result from two Toavelas, processes. This fact stands 
for a great deal; for it would appear that whether the development 
takes the right or the left hand road, the type-power brings out always 
the same result... It is destined to get its expression some way, and 
certainly — to — that there are on above and cit ia 
material. for 
his mind ; and it mattered but little whether it took this or that outward 
Visible form, for the expression of the creative thought would always 
the sam 
Exac wt so it is with spermatic and embryonic typical forms. The 
idea or thought behind each proves its individuality by the uniformity 
of its ee It matters but little or nothing whether gainéd in 
this or that mann 
In nec ict me ° say that I consider a thorough appreciation of 
these doc rines of what may be termed higher rihbeane quite essential 
0 the Moncsert of physiological science; and I cannot see why men 
binge retard it by a series ‘of detailed nplonations nich really ob- 
Scure the matter. Why not recur at once, for ide nec to vital force, 
for the explanation of certain phenomena, then we shall have @ 
Point of departure, the determination of Sie laws of ‘this vital ufone 
Temaining for oye future study, 
Liebig says: “As ae as poeerione meet with the mysterious 
Vital force in any phe n, they renounce their senses and facul- 
ties ; the eye, the icons the judgments the reflecting pated 
all are paralyzed, as soon as a phenomenon is declared inc en- 
sible.” Ido not consider this true, or even if it is pentielly. So, it ap- 
it more comprehensible that an elective sanity tint exist in a 
ganic particles ne that animal types should exist in organic 0 
Of all these ma rs, we know nothing except from their objective ag 
nomena, ne ve en indeed do less: than to sho consistency in 
saetel as tit mn Peroue yy eter — eiee 
