A NEW PHYLLOPOD—MACKIN 35 
Ficure 4.—A, Streptocephalus texanus: Lateral view of second antennae (a, distal end of 
inner branch of scissors, showing posterior process; b, spur projecting from outer branch 
near the base proximal to the elbow, showing characteristic apex; c, the two processes 
at the base of the anterior surface of the internal shorter branch); B, S. dorothae: Median 
view of male second antennae (d, distal end of inner branch of scissors, showing swollen 
area; ¢, spur projecting from outer branch near the base proximal to the elbow, showing 
characteristic apex; f, the two processes at the base of the anterior surface of the internal 
shorter branch). 
A" B 
Ficure 5.—A, Streptocephalus texanus: Caudal furcae of male; B, S. dorothae: Caudal furcae 
of male. 
