from the region of the Straits of Gibraltar. 379 



from any other country, and its occurrence in so distant 

 a locality as North Marocco is very interesting. Speci- 

 mens of H. Zclleri in the National Collection agree in 

 every particular with my insect. 



Smerinthus populi, L. — I found the remains of this 

 insect at Benzus Bay, May 5th, 1888 ; living examples 

 were not met with. 



Acherontia atrojyos, L. — Imago of occasional occur- 

 rence. Larvae found once or twice by me at Gibraltar, 

 on the thorny Solanum SodovKBiim, Willd. 



Sphinx convolvidi, L. — Apparently not common ; occa- 

 sionally found at flowers. I have only seen one or two 

 specimens at Gibraltar. 



Deilephila euphorbice, L. — Not seen in the perfect state, 

 but the larvae were not uncommon on the Neutral Ground 

 at Gibraltar, and in the cork-woods. I have seen them in 

 June and October. 



D. livornica, L. — This species is said to be common 

 in some summers at the tiowers of Plumbago capensis, 

 Pelargonium, &c., at Gibraltar and Tangier. I have only 

 one specimen, however, from the former locality. 



Chcerocampa celerio, L. — Not uncommon in September 

 and October at the flowers of Plumbago capensis, &c., at 

 Gibraltar ; also occasionally found at rest on walls, &c. 



Pterogon proserpina, Pall. — I have not met with this 

 insect in the perfect state, but the larvae were found in 

 considerable numbers near Campamento, on (Enothera 

 biennis, in June, 1888. 



Macroglossa stellatarum, L. — Abundant everywhere all 

 through the year ; I saw it commonly on the Rock of 

 Gibraltar on Christmas Day, 1886, busily engaged at the 

 wild flowers, of which I remember counting no fewer 

 than thirty species in bloom on that day. 



Sciapteron tabaniforme, Rott. — Scarce. A fine pair taken 

 on white poplar on the Rock of Gibraltar July 8th, 1887. 



Sesia liamburi. Stand. — Not very uncommon on the 

 flowers of thyme, wild carrot, &c., on the downs beyond 

 San Roque, in June. 



Paranthrene tineiformis, E. — Found with the preceding, 

 but much less common ; also taken on the Rock of 

 Gibraltar. June. 



Zyg(ena sarpcdon, Hiibn. — Not common. Taken on 

 the Sierra Carbonera, May 8th, 1888 ; also at Algegiras 

 and Benzus Bay in June. 



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