7 
U.S. NATIONAL MUSEUM BULLETIN 100, VOL. 14, PART 4 PLATE 26 
SPECIES OF MONACILLA, ONCHOCALANUS, PARAUGAPTILUS, AND PAREUCHAETA. 
379, Monacilla semispina (A. Scott), male: Fifth legs. 
380, Monacilla typica Sars, male: Fifth legs. 
381, Onchocalanus affinis With, female: Fifth leg. 
382, 383, Paraugaptilus buchani Wolfenden, female: 382, Fifth legs; 383, fifth legs of another 
specimen. 
384-389, Pareuchaeta californica (Esterly): 384, Lateral view, female; 385, lateral view, 
male; 386, genital segment, ventral view, female; 387, mandible, female; 388, 
fifth legs, male; 389, terminal armature of exopod of left fifth leg, male. 
' 390-392, Pareuchaeta exigua (Wolfenden), female: 390, Dorsal view; 391, genital segment, 
lateral view; 392, genital segment, ventral view. 
393, Pareuchaeta gracilis (Sars), female: Genital segment, lateral view. 
