^(56 ENTOMOLOGICAL NEWS. [Nov., *05 



son grows more and more arid becoming, a few miles beyond 

 Gualan, a desert region in which tree cacti flourish. Gualan 

 is eighty miles from Puerto Barrios and 420 feet above sea- 

 level. El Rancho, at an elevation of 901 feet, is nearly one 

 hundred and thirty miles from Puerto Barrios. We arrived 

 at Gualan about nine P. M. 



January 11, 1905. — Vegetation about Gualan becoming dry 

 and leafless, a small leguminous tree, resembling a peach in 

 habit of growth and color of flowers, is in full bloom. Maize 

 on the hill sides has been harvested and not replanted. 

 Smaller streams have shrunken in volume and native gardens 

 are being irrigated. About half a mile above station at Gualan 

 the railroad crosses a tributary of the. Motagua known as the 

 Gualan River. On this date the Gualan River has an average 

 width of about one hundred feet. The stream is divided by 

 many bare islands which, like the bed, are composed of boul- 

 ders and coarse gravel. A small tributary of the Gualan, just 

 above the railroad bridge, is followed for some distance and 

 Libellulines and smaller Agrionines are found in great abund- 

 ance. Dragonflies are rare, almost wanting, along the main 

 stream. A short distance above the mouth of this small tribu- 

 tary the Gualan River is formed by two nearly equal streams. 



January 12, 1905. — Collected along the small tributary 

 mentioned above and followed the Gualan River, nearly to its 

 mouth, but with practically no success along the main stream. 



January 13, 1905. — Collected for about one and one half 

 miles along the left hand stream, which joins with a similar 

 stream to form the Gualan River, and in irrigated fields and 

 along ditches adjacent to this stream, as far as a village named 

 Sing Sing, situated on the Honduras road. 



January 14, 1905. — Same territory as January 13th. 



January 15, 1905. — In fields and along the Gualan River, 

 paying little attention to dragonflies. During these five days 

 at Gualan the mornings were cloudy, but without rain, until 

 about nine A. M. after which the sun shown uninterruptedly 

 till sundown. Air very dry, temperature not oppressive, 

 nights cool and with good breeze, no mosquitoes. Lizards of 

 four easily distinguished species abundant. No snakes or tur- 



