434 BULLETIN 140, UNITED STATES NATIONAL MUSEUM 



Travassos, Lauro — Continued. 



19186 — Observacoes sobre os Heterakidae. Rev. Soc. brazil, de sci., Rio 

 de Janeiro, No. 2, pp. 93-97, 2 pis., figs. 1-2. 



1919a — Gastro belmintose das aves doinesticas. Rev. de vet. e zootecb., 

 Rio de Janeiro, vol. 9, pp. 79-89, figs. 1-9. 



19196 — Contribuicoes para o conbecimento da fauna helmintolojica bra- 

 zileira. 8. Sobre as especies brazileiras do genero Tetrameres 

 Creplin, 1846. Mem. Inst. Oswaldo Cruz, Rio de Janeiro-Man- 

 guinhos, vol. 11, pp. 71-79, pis. 25-28, figs. 1-14; Frencb transl., 

 pp. 63-71. 



1920a — Tricbostrongylidae brazileiros. Rev. Soc. brazil, de sci., Rio de 

 Janeiro, pp. 191-205. 



19206 — Esboco de uma cbave geral dos nematodes parasitos. Rev. de vet. 

 et zootech., Rio de Janeiro, vol. 10, pp. 59-70 bis, 1 chart. 



1920c — Contribuicao a sistematica dos Pbysalopterinae. Rev. de sci., Rio 

 de Janeiro, vol. 4, pp. 57-58. 



[1921] — Contribuicoes para o conbecimento da fauna helmintolojica bra- 

 sileira. XIII. Ensaio monografico da familia Trichostrongy- 

 lidae Leiper, 1909. Mem. Inst. Oswaldo Cruz, Rio de Janeiro — 

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



1923. — Infromacoes sobre a fauna helminthologica de Matto Grosso. Folha 

 med., vol. 4, p. 38. 



Vevebs, G. M. 



1923 — Some new and little known helminths from British Guiana. J. Hel- 

 minth., London, vol. 1, pp. 35-45, figs. 1-3. 



Ward, H. B. 



1917 — On the structure and classification of North American parasitic 

 worms. J. Parasitol., Urbana, 111., vol. 4, pp. 1-12, 1 pi., figs. 

 1-14. 



Walter, H. 



1866 — Helminthologische Studien. 7 Ber. . . . d. Offeubacher Ver. f. 

 Naturk., (1865-66), pp. 51-79, pi. 1, figs. 1-6. 

 Walton, A. C. 



1923 — Some new and little known nematodes. J. Parasitol., Urbana, 111., 



vol. 10, pp. 59-70, pis. 6-7, figs. 1-25. 

 1924 — Studies on nematode gametogenesis. Ztschr. f. wissensch. Biol., Abt. 

 B, Ztschr. f. Zellen-u Gewebel., Berlin, vol. 1, pp. 167-239, figs. 

 A-B, pis. 8-11, figs. 1-118. 

 Weidman, Fred D. 



1913— A study of metazoan parasites found in the Philadelphia Zoological 

 Gardens. Proc. acad. Nat. Sc. Philadelphia, vol. 65, pp. 126-151, 

 pi. 4, figs. 1-9. 

 Weinland, David Friedrich. 



1858 — Human cestoides (etc.). To which is added an appendix, containing 

 a catalogue of all species of helminthes hitherto found in man. 

 x4-93 pp., 12 figs. Cambridge, Mass. 

 Wharton, Lawrence D. 



1918 — Notes on nematode parasites of Philippine birds. Tetrameres fissi- 

 spina (Diesing, 1860) in Philippine chickens. Philippine J. Sc, 

 Manila, vol. 13, Sec. D, Gen. Biol., Ethnol. and Anthropol., pp. 

 219-221. 



