LEFEBVRE ON MANTIS. 73 



NOTES. 



Note I. 



May I take advantage of this opportunity of observing how 

 desirable it would be that government should require from 

 M. Savigny the return of those valuable insects and manu- 

 scripts, which have for so many years remained useless in the 

 possession of that entomologist, whose miserable state of 

 health, unhappily, precludes him from rendering any further 

 service to that science which he has adorned by his labours ? 



It would be offering no offence whatever to a professor 

 whose sight is so far gone as to incapacitate him from any 

 exertion, to entrust to another the conclusion of so valuable 

 and splendid a work, and which has, in its progress, cost such 

 immense sums. Daily do we see strangers publish and de- 

 scribe as new numberless species which have, for thirty years, 

 been described in that work. The Sybolce Physicce, pub- 

 lished at Berlin, affords us a sufficiently striking instance of it. 



It would be to the credit of the Entomological Society of 

 France to take the first steps in this matter, and to require of 

 government the completion of the entomological part of that 

 monument of science of which our misfortunes in Egypt have 

 not been able to deprive us, but from which we see daily one 

 of the laurel wreaths the scientific world adjudged it torn 

 away. 



The Society, in undertaking the completion of this work, 

 would worthily act up to the object of its institution — the 

 propagation and advancement of entomology. 



Note II. 



El Ouah el Bahryeh, the most northerly of the four Oases 

 which, on the left of the hill, stretch from the heights of 

 Faioum to those of Assouan, a distance of nearly one hundred 

 leagues. It is about four days' march from the Nile, and covers 

 almost two leagues in extent. With respect to the three others, 



NO. I. VOL. IV. L 



