40 University of Michigan 



The to-be-expected Hctaerina caja and macropns, three 

 specimens of each, were collected here. 



38. San Bstchan, Venezuela. A village on the Rio San 

 Esteban about six miles back of Puerto Cabello. The Rio 

 San Esteban is a clear, swift, rocky mountain stream, except 

 near its mouth below San Esteban, where it flows for several 

 miles through a nearly level sand plain. Above San Esteban 

 the valley is narrow, the bed of the stream is rock or coarse 

 gravel, and there are many waterfalls. Below San Esteban 

 the stream is largely in the sun. Above San Esteban almost 

 the entire valley is wooded, with much coffee and cacao on 

 the main stream and more native forest on the higher que- 

 bradas. Many tributaries (quebradas) are encountered as one 

 ascends the Rio San Esteban, and these are even rougher and 

 more precipitous than the main stream. The length of the 

 quebradas we explored between San Esteban and Las Quiggas, 

 a village on the Rio San Esteban above San Esteban, from 

 their sources in the hills to their mouths in the main stream, 

 varied from less than a mile to possibly four or five miles. 

 We could not obtain elevations at San Esteban, but our col- 

 lections were made from nearly sea level up to possibly 2,000 

 or 3,000 feet at the heads of the highest quebradas. Collected 

 here February 1-9, 1920. 



Below the village of San Esteban we followed down the 

 Rio vSan Esteban for possibly three miles. Throughout this 

 course the stream is largely in cacao plantings. Near the vil- 

 lage Hetaerina caja and macropns were associated, but farther 

 down luacropHs disappeared and we found only caja. High 

 up on a quebrada on the left bank of the Rio San Esteban, 

 just above the intake dam above the village of San Esteban, 

 we found capitalis. It was most numerous near the source of 

 the quebrada, and as we came down-stream it was rarer and 



