8 University of Michigan 



Part II. Terrestriai, Operculates of Venezuela. 



In order to escape useless repetition, tlie foUowino- habitat 

 and station syml)ols (preceded by H) are used throughout this 

 paper. The last numljer of these references is that of the 

 station. Another part will descrilie the hal)itats and localities 

 in greater detail. ]\lapv of these i)laces have been descrilied 

 by E. B. Williamson, in number 130 of this series (1923). 



My spelling of place-names is mainly copied from the Vene- 

 zuelan government maps. 



Terrestrial Habitats 



H, I. Mountain sides; heavy forest. 



H. I. a. Rock slopes and faces. 



11, I, b. Talus and leaf mould. 



H, I, c. Root mould. 



H, I, d. Leaves and stems of trees and shrubbery. 

 H. II. Lowland, and stream flats ; heavy forest. 



(letters as in H, 1). 

 H, III. Cultivated fields. 

 H^ IV. Artificial savannahs. 



H, V. Second growth forests, tombas, cofifee and cacao plan- 

 tations (montado), 



(letters as in H, I). 



Aquatic Habitats 



H, VI. Mountain brooks (quel^radas). 



H, VI. a. Waterfalls and rapids. 



H. VI, b. Pools. 



H, VI, c. vSi)ring swamps, or separate pools on flats. 

 H, \'II. Mountain creeks (rios), 



(letters as in H, VI). 



