LIST OF FIGURES OF NEMATODES XVII 



428. Eustrongylides larvae. Species not determined. «, Front view of head; 



b, anterior end; c, outline of male tail; (/, outline of female tail. After 

 Ciurea, 1924. 



429. Eustrongylides africanus, a, Head end; b, female tail; c, exterior of egg; 



d, pitting of shell ; e, interior of egg. After Jaegerskiold, 1909. 



430. Eustrongylides excisus. a, Head ; b and c, tail of male. After Jaegers- 



kiold, 1909. 



431. Eustrongylides ignotus. a. Head; b, female tail; c and d, male tail; e 



and f, egg. After Jaegerskiold, 1909. 



432. Eustrongylides mergorum. a, Female; b, male; natural size; c. head. 



After Linstow, 1S77. 



433. Eustrongylides mergorum. a, Front view; b, lateral view of head; c, egg. 



After Jaegerskiold, 1909. 



434. Eustrongylides mergorum. a. Head end ; ?>, female tail ; c and d, inal< j 



tail. After Jaegerskiold, 1909. 



435. Eustrongylides papillosus. Male tail. After Jaegerskiold, 1909. 



430. Eustrongylides perpapillatus. a. Front view: b, lateral view of head; 



c, male tail ; d, female tail ; e and f, eggs. After Jaegerskiold, 1909. 

 437. Hystrichis tricolor. Head and tail ends of female. After Jaegerskiold, 



1909. 

 43S. Hystrichis acanthocephalicus. a, Side view; &, front view of head; c and 



d, male tail; e, female tail; f, egg. After Jaegerskiold, 1909. 



439. Hyxtrichis coronatus. a. Head end; b, female, natural size; r, female 



tail. After Molin, 1860. 



440. Hystrichis cygni. Head end. After Molin, 1SG1. 



441. Hystrichis neglectus. f/, Head end; b, male tail; c, female tr.il; d, egg. 



After Jaegerskiold, 1909. 



442. Hystrichis orispinus. Head end. From Jaegerskiold, 1909, after Molin. 



443. Hystrichis varispvrvosus. a, Head end; b, spine of anterior cervical region. 



After Jaegerskiold, 1909. 



444. Hystrichis wedli (Linstow's material), a, Anterior portion of body; b, 



one of the most anterior spines, lateral view: c, same, front view; 

 </, one of the most posterior spines; e, posterior end of body {x, probable 

 primordiuni of vagina). After Jaegerskiold, 1909. 



