PAN DE GUAJAIBON 277 



Several of them represented forms described by 

 Morelet who, in a hasty visit toGuajaibon, seems 

 not to have taken many specimens, and hence his 

 species are usually rare and little known. Gund- 

 lach did more to distribute specimens from the 

 Pan, but neither are his very abundant in 

 collections . 



Our progress was finally stopped by suddenly 

 finding ourselves upon the edge of a precipice — 

 one of those jumping-off places of the sierras, so 

 completely veiled in foliage as to be unseen and 

 unsuspected until about ready to fall over it. 

 While seeking a way out, we were startled into a 

 realization that night was almost upon us. Our 

 host and Pancho had returned so we beat as hasty 

 a retreat as the tangled jungle would permit. 

 Nothing is so trying to one's equanimity as an 

 attempted dash through a tropic jungle. The 

 slender stems of innumerable vines have a diaboli- 

 cal way of entwining themselves about one's legs 

 and arms, or lifting off one's hat, as though pos- 

 sessed with a playful intelligence. Darkness falls 

 with great rapidity, and to be caught on the 

 mountains without a light would mean a night 

 spent in the woods. Such an idea might be even 



