CHAP. XIX. 



ORTHOPTERA AND NEUROPTERA. 



355 



interior, and it was a surprise to find them ranging so high as 

 the Sixth Camp on Chimborazo (13,353 feet), and np to 14,000 

 feet on Cayambe. The species on the former mountain was just 

 under one -half of an inch 

 in length, and an enlarged 

 Figure of it is given here- 

 with, to assist in its future 

 identification. The Cayambe 

 species was one inch in 

 length, with unusually large 

 forceps. From the low 

 country I have a species 

 one inch and a half in 

 length. 



Examples of the very 

 curious insects called Fhas- 

 mas were taken on the Plain 

 of Tumbaco, in the basin of 

 Machachi, at La Dormida, 

 Cayambe, and as high as 



13,000 feet (in the woods) on Pichincha. Their close resemblance 

 to sticks and twigs causes them to be readily overlooked, and many 

 natives in the interior had never seen them. They have, however, 

 the local name Cab alio de ijalo. 



EARWIG FROM 13,353 FEET ON CHIMBORAZO. 



Neuroptera. — Dragon -flies and May -flies were numerous in 

 some parts of the interior, especially in the basin of Machachi. 

 The greatest elevation at which they were obtained was on the 

 track from Machachi to Pedregal (the pass between Pasochoa and 

 Ruminahui). Dragon -flies were seen higher than 12,000 feet on 

 Pichincha and Cotocachi. 



Hymenoptera. — The Ants alone have been worked out, — by 

 Mr. Peter Cameron ; whose contribution will be found at pp. 

 89-98 of the Supplementary Appendix. The ' set ' specimens of the 



