330 Dr. L. Orley on Hatr-worms. 
7. Gordius pustulosus, Baird. 
Gordius pustulosus, Baird, Cat. Entoz. p. 37; id. Proc. Zool. Soc. 1853, 
p. 20; id. Ann. & Mag. Nat. Hist. ser. 2, xv. p. 72; Diesing, Revi- 
sion d. Nem. p. 602; Villot, Monogr. d. Drag. p. 66. 
Female, length 20-22 centim. 
Tapering considerably at anterior extremity, and becoming 
gradually thicker at inferior. Along the whole length of the 
body, on each side, runs a pretty deep sulcus, interrupting the 
circular lines. 
Hab. Abdomen of Blaps obtusa. THurope. 
8. Gordius violaceus, Baird. 
Gordius violaceus, Baird, Cat. Entoz. p. 36; id. Proce. Zool. Soc. 
1853, p. 20; id. Ann. & Mag. Nat. Hist. ser. 2, xv. p. 71; Diesing, 
Revision d. Nem. p. 604; Villot, Monogr. d. Drag. p. 60. 
Female, length 26-30 centim. 
This species is closely allied to G. subbifureus, and not to 
G. aquaticus, as Diesing supposed. 
Body tapering slightly at upper extremity, and gradually 
becoming thicker at inferior. Along the whole length of the 
body, on each side, runs a pretty deep sulcus, interrupting the 
circular lines. 
Hab. France; Germany (?). 
9. Gordius subbifurcus, Meissner (=G. tolosanus, Duj.). 
(Pl. XVIII. fig. 3.) 
Complete literature in Baird’s ‘ Catalogue of Entozoa.’ 
Hab. Freshwater ponds and slow-running streams. 
10. Gordius gratianopolensis, Charvet. 
(= G. tricuspidatus, Meissner). (Pl. XVIII. fig. 5.) 
Filaria tricuspidata, LL. Dufour, Ann. d. Sc. Nat. 1828, p. 222. 
Dragonneaux de Claix, Charv. Nouv. Ann. du Mus. iii. pp. 36-44. 
Filaria Grylli bordigalensis, Sieb. Stettin. entom. Zeitung, 1872, p. 154. 
Gordius grution, Ch. Diesing, Syst. Helm. ii. p. 106. 
Gordius tricuspidatus, Meissner, Zeitschr. f. wiss. Zool. vii. p. 55; 
Schneider, Monogr. d. Nematoden. Berlin : 1866. 
Only one specimen (female). 
Hab. Ceylon. 
11. Gordius trilobus, Villot. 
Gordius trilobus, Villot, Monogr. d. Drag. p. 59. 
Female, length 30 centim. 
The hinder extremity of the female has three lobate pro- 
cesses, somewhat rounded at their free ends and closely touch- 
