THE EGG 21 
PER CENT. 
Malomesiunre (Mig @))teerewpetsrcise.g20s + sisve voters ielaverevcusyciate ahoteretere tere 2.07— 2.11 
ico rns (es Os) Mere eA etree pe cesar aac Sets ae CAR AMEN toy oe eae 1.19- 1.45 
hospnoric*acid, tree: (P2O-)i ts sys... ete ace tin wie te oie ove oe eye. 5.72 
Bhospionricracid «combined esc. emi etter eerie eine cies 63.81-66.70 
SHUNGVO-BXCITO ER sts ats coke etd, actore soma OA ics Sorin Penis mined eneS 0.55— 1.40 
(Cin Orinie wesc ces seer aes etey sails iar aaei ss RUIN Shower he usta as are Traces. 
GENERAL COMPOSITION OF THE ALBUMEN 
VAY Save Eh 2 eager aR ey RE NS eng Re Pec Ree te? OY nk rane NRE S0.00-86.68 
(SOIC ISS x. cx: BEEN, GRR CEN ERM a NON Oe CR ARS OT UE Dice wa 13.22—20.00 
PAU UITIGTIS WR oii eon cole mene ty Uns, Se ea ear ag ae 11.50-12.27 
RGA CELVIOS erry cae Fees oles BN cee oe eee ee ee 0.38— 0.77 
(GUYS ey 5 le. 5 cae earl ee ee eee oe a AO ee oe 0.10— 0.50 
HartsiamGh SOAP Stas devs croc vt ious te eu sherds nebo ens eye eet et el ss teeter Traces 
Mimeralesalittsurrtemccra ich ttre sc te a nee ete ee Ree 0.30— 0.66 
eciuhinsrandiCholesterimy s+. .ca0..srecicras ¢ aera eee ecene Traces. 
ANALYSIS OF THE MINERAL ASH 
Socata ya AO) marae toe xe Yao clede ee. drag So ee eae Ce epee 23.56-32.93 
BOCAS SUITING CeO) Arann csih “lcs osnd acer tava aasralearee neetcks Ponce eettoaers neta ne 27.66-28.45 
Gx Curr (al ON erect es ene Gusts tee nteisiteisiincat adc sy eset tes Gpastensron A Ry cheeenses 1.74— 2.90 
Micrearesnumman (NICO NN i wk, Bits k Read leis! dda beatae ce tatg thn eaters catks 1.60-— 3.17 
HAG TM ULSS Oe eee sts tae ee hua esa Shi tacate een ecu Aaa i ape oe eae 0.44— 0.55 
@inlonime nC lth see cpeec st Satys Chk 5 BANG See eke eee pee: 23.84-28.56 
HBOS POMC COCIAN Ea.) wccss ghalienn bdo oie 4 Ree ead ea ape erene ey ae 3.16— 4.83 
Warhoniceacidn (OOS) 2545, d24 Jssths else chet, eee setae 9.67-11.60 
SO MMIICMACICE (Oa) his to. 5.a.2080 & shame stot deem aida het atauers 1.32— 2.63 
SUC CEACIGA( SIO) s )UEseyaetins tran este eaeth tie eee treet ere eee ee: 0.28— 0.49 
ulworinen(h ye. 2 ee aie his, herd tro dee Menard Ghats to erence rer tape me ns Traces. 
The shell consists of an organic matrix of the nature of keratin 
impregnated with lime salts: calctum and magnesium carbonates 
about 97%, calcium and magnesium phosphates about 1%, 
keratin and water about 2%, trace of iron. 
The shell-membrane and the vitelline membrane are stated 
to consist of keratin or a closely allied substance. 
Formation of the Egg. The organs of reproduction of the 
hen are the ovary and oviduct of the left side of the body.  Al- 
though the right ovary and oviduct are formed in the embryo 
at the same time as those of the left side, they degenerate more 
or less completely in the course of development (see Chap. XIII), 
so that only functionless rudiments remain. This would appear 
to be correlated with the large size of the egg and the delicate 
