EXPLANATION OF PLATE VIII. 
Fic. 1.—Pontophilus incisus, sp. nov. 
5, 2.—Pontophilus lowisi, sp. nov. 
5, 3.—Pontophilus candidus, sp. nov. 
., 4-—Pontophilus pilosus, sp. nov. 
5.—Pontophilus plebs, sp. nov. 
,, 6.—Pontophilus parvirostris, sp. nov. 
