440 The American: Naturalist. — [May, 
The following series of analyses of bones are arranged in 
chronological order of the geological formations to which they 
belong, commencing with the more recent deposits and de- 
scending step by step to the most ancient. (The French 
nomenclature is employed.) 
Analyses of bones of fossil animals from various 18 Geologic 
pochs or Periods. 
Ash 
5 J 3 
Prey g, 
pal 5 3 
Quaternary. ss Sag E % 3 
di Sled jo dabi god de 
& | s a | = S 
EGE eee 
© a g 
m a 
Rib of a Reindeer from Aon (Seine), ora 
aa. —s = ec ish eroon by calcination. Gain 
or increa bonate of lime, slightly of chlorine, 
none of silica T EEE 16,40 | 1,45 | 36,95 | 1,07 | 3,30| 0,32 
2. Horn of. Reindeer from the me place, ange-yel- | 
lowish, reden ed b a Gain or increase of car- | 
bonate of lime, slig t A tine mà Silica hi. in oiees 19,60 4,35 | 37,35 | 0,78| 3,33) 0,23 
` 8. Tooth of Prahe (Elephas pe ea from | 
the gray diluvium of Grenelle (Seine). White, slightly | 
yellowish. An abundance of carbonate of lime.........0000.) ooreese [oaaae 30,60 | 1,16 | 2,73 | 0,42 
Vertebra of an Ox from Cindre (Allier). Yellow- 
ish wne banago aero ital IES ooo ADE A EAE ete ai og 17,9 | 0,71 | 37,19| 0,83/| 2,82} 0,25 
5. Ribof a pto t of : 
es (Argentine Republic), of aver: wae dereit T 
pád Debio and after calcination. sh seof pat 
ate o lime, chlorine ormal quantit y with little 
silica...... 22,60 | ....... | 27,88 | 1,77} 2,44] 0,73 
6. ‘Shell of ye cage from same locality and with 
same Coe cteris seisoin rinra] DAD o s 28,41 | 1,55| 2,53] 0,61 
ues a’ edent. e—bones of t the 
skin m or shel vith Qs dermigu prag from a same local- , 
ity; H graye ow, becoming gray-green by calcination. 
Ine carbonate of ime, traces of pnlorine: no 
Mn Y OTEREN ANDRES 13,14 | 0,95 | 36,32 | 1,43 | 3,24 | 0,44 
i 8. ros teeth from the Cave of Grimaldi, Italy. 
ese were! in a good state. The dentine (a) hich sep- 
arates easily from the enamel, was fragile, white, slight- 
Ae eng , With a gain of carbonate pe PAE NEA 10,72 | 0,40 | 36,95 | 1,32| 3,30] 0,40 
e ivory (b) was entirely white and conserved its 
compactness and h: oes not a ave 
been modified in its texture nor primitive composition bs Ui a Rate er 40,34 0,50) 3,60} 0,14 
9. Lamantin (Manatee or Sea Co Bo 
the peat beds of Scania, Sweden ht, v po us, 
black-bro m to dark-brown by calcination......... 33,40 | 5,10 | 85,77 | 0,44| 3,19) 0,14 
an, pelvic bone from Z’ Aéri-sous-Ro he of Cro- 
Magnon (Dord ogne). Light. pus TRT in color, 
eekanee, fe, traces by calcination. g mo x car- 
ne, traces of choria: pa silica... «+--| 27,50 | 1,80 | 34.48 0552 | 8,08! 0,17 
y grouping the results of the determinations of phosphoric 
acid and of fluorine, the average for the ten specimens from 
the Quaternary Period is established. 
Phosphoric acid, Bes A as Bee 
uorine, . ; mnlte 1.09 . 
Fluorine calculated for apatite, 3.04 \ emai ai 
