ART. 20 NEW SPECIES OF TKICHOSTRONGYLID WORM SCHWARTZ 



Hung, See Lu. 



1926. — Ueber zwei neue parasitische Nematoden, Coopcria fuellchorui, aus 



dom Wasserbock und OcsophmjoHtomiDn mauntm aus deiii Mobren- 



makak. Arch. f. Scbiffs- u. Trupen-Hyg.. vol. 30, pp. 421-430, 



figs. 1-13. 

 Ransom, Brayton Howard. 



1907. — Notes on parasitic nematodes, including descriptions of new genera 



and species, and observations on life bistories. Circular 116, 



Bureau Animal Indust., U. S. Dept. Agric, 7 pp. 

 1911. — Tbe nematodes parasitic in tbe alimentary tract of cattle, sheep, and 



otbcr ruminants. Bull. 127, Bureau Animal Indust., U. S. Dept. 



Agric, 132 pp., figs. 1-152. 

 Railliet, a. ; and Henry A. 



1909. — Sur la classification des Strongylidae : 1. Metastrongylinae. Compt. 



rend. Soc. de biol., vol. 06, pp. 85-88. 



TRAVASSOS, LAtTRO. 



[1921] rt. — Contribuicoes para o conhecimento da fauna heUnintolojica brasil- 

 eira. XIII. Ensaio monografico da familia Trichostrongylidae 

 Leiper, 1909. Mem. Inst. Oswaldo Cruz, Rio de Janeiro-Man- 

 guinbos, vol. 13, pp. 1-135, pis. 1-56, figs. 1-250. 

 1921b. — Nematodeos uovos. 1. Brazil-med., Rio de Janeiro, ann. 35, vol. 2, 

 pp. 367-368. 

 Harker, Allen. 



1S93. — On an apparently undescribed Strongyltis from the ox. Agric. Stu- 

 dents' Gaz., Cirencester, n. s., vol. 6, pp. 94-97, 1 pi. figs. 1-5. 



EXPLANATION OF PLATE 



Cooperia nodulosa, new species 



Fig. 1. Anterior portion. 



2. Male bursa. 



3. Male bursa showing dorsal ray. 



4. Spicules. 



5. Female showing region of vulva. 



6. Female tail. 



«., anus. 



d., dorsal ray. 



e. d., externo-dorsal ray. 



e. I., extemo-lateral ray. 



I. v., latero-ventral ray. 



m. I., medio-lateral ray. 



n. r., nerve ring. 



oes., esophagus. 



p. I., postero-lateral ray. 



V. v., ventro-ventral ray. 



o 



