Occasional Papers of the Museum of Zoology 31 



rinas, as was to be expected, were very scarce. Collected here 

 January 23, 19 17, taking only a male and a female of Hetae- 

 rina caja. 



20. El Fiscal, Guatemala. Still higher headwaters of the 

 Motagua above Agua Caliente and 12.7 miles below Guate- 

 mala City. Small, rocky streams in deep ravines. Elevation 

 about 3,700 feet. Collected June 3-6, 1909. 



Along the so-called river north of town, on June 4, Hetae- 

 rina capitalis (thirt}^-seven specimens), cmentata (fourteen 

 specimens, and macro pus (two specimens) were taken. Macro- 

 pus was seen nowhere else. On the stream south of town along 

 the government road only one species, cmentata, was taken, 

 and of it only two specimens. On June 6 I collected again on 

 the river north of town, but higher on the stream than on my 

 previous visit. On this upper portion I failed to find macro- 

 pus, taken lower down, and cruentata was five times as abun- 

 dant as capitalis, while lower down capitalis had been more 

 than twice as abundant as cruentata. 



21. Bl Guayaho, Venezuela. A station on the Gran Fer- 

 rocarril del Tachira, the railroad from Encontrados to 

 Tachira, and on the banks of the Rio Zulia. Elevation, 225 

 feet. El Guayabo lies in a wide, flat, wooded valley, most 

 of which near town is pasture or under cultivation. This val- 

 ley extends northward, without interruption and with a pro- 

 gressively lower elevation, till it passes almost imperceptibly 

 into Lake Maracaibo. On the left bank of the Zulia opposite 

 the town are sluggish tributaries with little flow except when 

 they discharge the backed-up waters of the Zulia when the 

 latter falls after a rise. About six kilometers above town on 

 the right bank, and crossed by the railroad, is El Cafia Fraile, 

 six to fifteen feet wide, in forest. On April 20 it was a suc- 

 cession of pools. On April 22, the Zulia having risen in the 



