718 b 



ARISTOTLE ' 



15 fieyedovs av^rjat? rpeTrerai els ro anepfia toijtois. 

 OL 8 opvides Kal TO. reTpdnoha tcov (hoTOKixiv 

 reXeia (ha tiktovctlv, d Set Trpog ro aat^eadat 

 aKXrjpoSepfia elvai (fiaXaKoSepfjia yap ews dv av- 

 ^7]aiv €)(r) eariv), ro S' oarpaKov yiverai vtto 

 deppLorrjrog i^LKp,a^ovar]s ro vypov e/c rod yeiohovs. 



20 avayKaZov ovv depfxov eivai tov tottov iv (p tovto 

 avp-^TJaerat. roiovrog S' o Trepi ro UTTO^to/na- Kal 

 yap rrfv rpo(f>rjv irerrei ovros. et ovv rd (ha 

 avayKTj ev rfj varepti elvai, /cat rrjv varepav dvdyKrj 

 Tvpos r(h v7Tol,(hjxari elvai rolg riXeia rd (hd ri- 

 Krovaiy rols 8' dreXj] Karco' irpo ohov yap ovrcoS 



25 earai. Kal Tre^y/ce 8e p^dXXov rj varepa Kdroi elvai 

 rj av(o, 07T0V pLTj ri ifnToSi^et erepov epyov rrjs 

 (jyvaeojs' Kdrco ydp avrfjg Kal ro Trepa? eariv ottov 

 8e ro Trepan, Kal^ ro epyov avrrj' 8' ou ro epyov. 

 IX ''E;^ei 8e /cat rd t,(poroKovvra Trpds aAAi^Aa 8ta- 

 (f)opdv. rd jxev ydp ov piovov dvpa^e ^(ooroKet 



30 dAAa /cat ev avrols, olov dvdpojTroL re Kal lttttoi 

 Kal Kvveg Kal irdvra rd rpL^as e-)(ovra, Kal rojv 

 ivvSpcov SeXcfnves re Kal (f)dXaLvat Kal rd rotavra 

 K-qrr). 



X To. 8e aeXaxf] Kal ol e)(ei's dvpa^e [xev t,cpo- 

 roKovaiv , ev avroZg 8' (horoKovai Trpoirov. (ho- 

 roKOvai 8e reXeiov (hov ovrojs ydp yevvdrai e/c 



^ Kal Z : oni. vulg. * avr-q PSYZ*: aunj vulg. 



° i.e., do not increase in size after being laid. 



* i.e., without first producing an egg internally. Aristotle 

 knew nothing of the existence of the mammalian egg, which 

 is a single cell of microscopic size. 



30 



