INDEX. 
page 
Lumbricus marinus, a description of the circulation of the 
blood in that animal, - -2 
lerrestris, the circulation of the blood in this ani- 
mal described, - 3 
M 
Mailles, de leur remplissage, - 92 
Mammalia, the double circulation of the blood in this class 
described, ----- 4 
Menstruation , a case adduced to prove that it is not neces- 
sary to impregnation, - - 258 
Milky way, of its construction and extent, - - 321 
Muller, his description of a contest between an hirudo and 
a limax, - - - 344 
Must, a description of a process by which corn tainted with 
it, may be completely purified, - - 36 
O 
Ocean and atmosphere, observations on their temperature, and 
on the density of sea-water, made during a voyage to 
Ceylon, - 275 
Ocythoe of Rafinesque , observations on that genus, with a de- 
scription of a new species, - 293 
Cranchii, a description of it given, - 295 
considered as a species of sepia, and not the 
original inhabitant of the argonaut shell, - 30© 
in what respect it differs generically from the polypus, 2 94 
Oongpoey, a description of a species of galls so called, used 
by the Chinese in dying black, - - 39 
— found to contain a greater quantity of tannin than 
any other vegetable astringent in common use, - 40 
— — unfit for the purposes of tanning, from the want of 
extractive matter, - - - 43 
Ovum , on its passage from the ovarium to the uterus in 
women, - 254 
— from the human ovarium, description of it under a 
microscope, - - - 258 
P 
Philip, A. P. Wilson, M. D. On the effects of galvanism 
in restoring the due action of the lungs, - 22 
MDCCCXVJJ. 3 C 
