330 NoVlTAtES ZOOLOQICAE XXIV. 191 1. 



lla. Celerio euphoibiae mauretanica x C. lineata livomica. 



We have taken two specimens of the above hybrid which compare very 

 well with the artificially bred hybrid between C. e. evpkorbiae x C. I. livomica. 



The one from Oran was taken by myself at the electric liglit in the " Place,"' 

 and the one from Hammam R'ihra was caught by Hilgert. 



1 Oran, April 1913, W. R. and E. H. 



1 Hammam R'ihra, May 1913, W. R. and E. H. 



■12. Celerio lineata livomica (Esp.). 



Sphinx livornica Esper, Schmeti. vol. U. p. 88 (1779) (Europe). 



This is by far the commonest hawk -moth in Mauretania ; in Algeria it was 

 often a perfect pest when we were collecting with a lamp, and at the honey- 

 suckle hedge at Hammam R'ihra it was in such numbers that we coidd have 

 taken over a hundred every night, and at Oran and Biskra round the lamps it 

 was sometimes almost as common. The laiva is very variable, but the curious 

 black and gold variety which is the normal form round Marseilles is very rare 

 in Mauretania. The larva I found at Ghardaia is pale apple green and looks 

 much lilfe the larva of C. centralasiae. Hartert found the larvae feeding (in 

 the bed of the Oued Mya) on Asphodehis tenuifolius. The Tring Museum has 

 a series of 250 Mauretanian examples. 



4 Mazagan, Morocco, April 1901, W. Riggenbach. 

 1 Fenson, Morocco, April 1901, W. Riggenbach. 



1 Seksawa, Morocco, April 1905, W. Riggenbach. 



2 Mogador, Staudinger. 



10 Zoudj-el-Beghal, Morocco, July 1914, Faroult. 



1 Colomb Bechar, March — April 1913, Faroult. 



2 Djebel Mekter, Ain Scfra, May 1913, E. H. and C. H. 



30 Ain Sefra, May 1913-1915, W. R. and E. H. and Faroult. 

 8 Masser Mines, June 1914, Faroult. 



2 Lalla Marnia, May 1914, Faroult. 

 20 Oran, April 1913,.W. R. and E. H. 



1 Oudjda, May 1914, Faroult. 



8 Environs d'Alger, May— July 1904^1908, W. R., E. H., and Dr. Nisaen. 

 50 Hammam R'ihra, May 1913-1916, W. R. and E. H. and Faroult. 

 1 Djebel Zaccar above Miliana, August 1916, Faroult. 



15 Guelt-es-8tel, April 1912-1913, W. R., K. J., and Faroult. 

 4 Tilghempt, April 1912, Faroult. 



6 Bou Saada, May 1911, Faroult. 



3 Oued N9a, April— June 1912-1914, E. H. and C. H. 

 1 South Oued Mya, April 1912, E. H. and C. H. 



1 In-Salah, April 1912, E. H. and C. H. 



16 north of and at Ain Guettcra, April 1912, E. H. and C. H. 

 6 north of El Golea, March 1912, E. H. and C. H. 



1 Bordj Chegga, February 1912, E. H. and C. H. 

 33 Biskra, March— April 1908-1914, W. R. and E. H. 



1 El Kantara, June 1911, Cheli Brahim. 

 14 Khenchela, June 1911, Faroult. 



