NO. II SMITHSONIAN EXPEDITIONS, IQIO-IQII 23 
The entomologists, Messrs. Schwarz and Busck, made their head- 
quarters at Paraiso, where the fauna and flora had been but little 
disturbed by the work on the canal, and besides collecting along the 
eee 
Fic. 25.—Cavanillesia-tree, a striking feature of the Canal Zone forest. 
Photograph by Pittier. 
Trinidad River, where they found a rich insect fauna, and in other 
areas in the Gatun Lake region, they made excursions to Porto Bello 
and to Nombre de Dios in the Republic of Panama, the latter place 
