U.S. NA 
TIONAL MUSEUM BULLETIN 100, VOL. 14, PART 4 PLATE 12 
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SPECIES OF LABIDOCERA AND LOPHOTHRIX. 
123, Labidocera acuta (Dana) male: Dorsal view. 
124, 125, Labidocera acutifrons (Dana): 124, Dorsal view, female; 125, dorsal view, male. 
126-136, Lophothrix sarsi, new species, female: 126, Dorsal view; 127, lateral view; 128, 
rostrum; 129, second antenna; 130, mandible; 131, fisrt maxilla; 132, second 
136, fifth legs. 
maxilla; 133, maxilliped; 134, second leg; 135, third leg; 
