;73 



Lateral line from posterior margin of segment 2 to end of segment 8; 

 segment 8 with a row of 8 pairs of thin, long setae dorsal to small, sparse 

 hairs, each pair of setae situated on a small sclerotized dot. 



Presegmental gills on abdominal segment 2 absent. 



Tergite of abdominal segment 9 (Figure 484) brown, with 2 curved rows 

 of dark, reddish brown dots near anterior margin; medioanal setae thick, 

 long, dark brown; angle setae shorter; intermediate seta thin, long, but 

 shorter than angle seta; a primary and a secondary lateral seta short, thin, 

 situated close together; a moderately long and a small seta between medio- 

 anal setae; secondary setae on surface absent. 



Sclerite "b" chestnut brown, with a group of large, dark dots; median 

 and neighboring seta in distodorsal part of sclerite black, long, thick; 

 lateral seta thinner, moderately long; a similar seta subapically at median 

 margin; a short, thin seta further basally; distoventral seta strong, brown, 

 moderately long; surface with 2—3 small, thin setae. 



Sclerite "c" brownish yellow; lateral margin black, narrow; basal seta 

 short, dark brown. 



^S'^ 



486 



FIGURES 484-486. Hydatophylax magnusMart.: 



484 — tergite of abdominal segment 9; 485 — claw of anal leg; 

 486 — larval case, normal type (A), and flat type (B). 



Claw (Figure 485) reddish brown basally, blackish brown apically, with 

 a lighter reddish dorsal denticle; transverse suture narrow laterally. 



342 



