लर्ड प्लाटनि अटबाय'ग्राफि फ्रायवेत आरो कनत्रभार्सियेला गोदान-मुगानि मुलैखौ 'माब्रै एंगारनो' आव उसिफावो।
Portmann, talking of insect metamorphosis, observes that the specific formation of the mature organism is prefigured in the egg, though in what way we do not yet know,'