X BULLETIN 140, UNITED STATES NATIONAL MUSEUM 



215. b to e. Porrocaecum kirghisensis. b. Lip ; c, interlabium ; d, lateral and e, 



ventral view of male tail. After Skrjabin, 1916. 



216. Contracaecum spiculigerum. Head. After Linstow, 1909. 



217. Contracaecum spiculigerum. a, Esophagus and appendices ; b, male tail. 



After Schneider, 1866. 



218. Contracaecum andersoni. a, Dorsal lip ; &, interlabium ; c, vulva ; d, male 



tail. After Vevers, 1923. 



219. Contracaecum engonium. a, Head ; b, male tail. After Baylis and Daub- 



ney, 1922. 



220. Contracaecum haliacti. a, Lateral view; b, front view of head; c, egg. 



After Smith, Fox, and White, 1908. 



221. Contracaecum haliaeti. a, Inner surface ; b, outer surface of lip. After 



Smith, Fox, and White, 1908. 



222. Contracaecum microcephalutn. a, Front view of head ; b, dorsal view of 



head ; c, male tail ; d, free end of spicule ; e, cross section of spicule. 

 After Gedoelst, 1916. 



223. Contracaecum micropapillatum. Anterior end (dissected). Original. 



224. Contracaecum micropapillatum. a, Male tail ; b, lip and interlabia. After 



Stossich, 1890. 



225. Contracaecum multipapillatum. Digestive organs of male. After Skrjabin, 



1916. 



226. Contracaecum multipapillatum. a, Head; b, male tail. After Drasche, 



18S2. 



227. Contracaecum ovale. Head. After Linstow, 1907. 



228. Contracaecum praestriatum. Anterior end. After Monnig, 1923. 



229. Contracaecum praestriatum. Male tail. After Monnig, 1923. 



230. Contracaecum punctatum. Male tail. After Gedoelst, 1916. 



231. Contracaecum rodhaini. Head. After Gedoelst, 1916. 



232. Contracaecum rosarium. Anterior end. After Connal, 1912. 



233. Contracaecum rosarium. Male tail. After Baylis and Daubney, 1922. 



234. Contracaecum scotti. a, Esophagus and appendices; b, head; c, lateral 



view and d, ventral view of male tail. After Leiper and Atkinson, 1915. 



235. Contracaecum tricuspe. a, Male tail ; b, dorsal view and c, front view of 



head. After Gedoelst, 1916. 



236. Contracaecum magnipapillatum. Male tail. After Chapin, 1925. 



237. Spirura uncinipenis. a, Lateral view ; b, front view of head ; c, male 



tail. After Drasche, 1884. 



238. Spirura uncinipenis. a, Head ; b, egg ; c, free end of short spicule. After 



Linstow, 1899. 



239. Cyrnea eurycerca. a, Female tail, showing ovejector ; b, male tail ; c, 



male (length 7.6 mm) ; d, lateral view and e, ventral view of head. 

 After Seurat, 1914. 



240. Cyrnea excisa. a, Dorsal view ; b, lateral view of head end ; c, female ; 



d, male tail. After Seurat, 1914. 



241. Cyrnea seurati. Tail end of male and of female. After Lopez-Neyra, 1918. 



242. Cyrnea colini. Head, a, Ventral ; b, front ; c, oblique lateral view. 



Original. 



243. Cyrnea colini. a, Male tail; b, female tail; c, ovejector. (Scale for b and 



c the same.) Original. 



244. Habronema colaptes. a, Dorsal ; b, lateral ; c, front view of head ; d, 



spicules and gubernaculum ; e, male tail ; f , female tail. After Walton, 

 1923. 



245. Habronema ficheuri. a, Lateral; b, dorsal view of head; c, male tail. 



After Seurat, 1916. 



