98 ILLINOIS BIOLOGICAL MONOGRAPHS [98 



KOWALEWSKI, M. 



1895. Studya helminthologiczne. III. Bilharzia polonica, n. sp. Rozpraw Wydz., 

 mat.-przyr. Akad. Umiejet. Krakowie, (1) 31:1-30; 2 pi. 



1896. Studya helminthologiczne. IV. Bilharzia polonica, n. sp. Rozpraw Wydz., 

 mat.-przyr. Akad. Umiejet. Krakowie, (1) 30:1-12. 



1896a. £tudes Helmiathologiques. IV. Amendements et Supplements au travail de 

 I'auteur sur le Bilharzia polonica sp. nov. Bull. acad. sci. Cracovie, 1896:146-148. 

 Lang, A. 



1880. Untersuchungen zur vergleichenden Anatomic und Histologic des Nervensystems 

 der Platyhclminthen. II. Ueber das Ncrvcnsyscem der Trematodcn. Mitth. Zool. 

 Sta. Ncapcl, 2:28-52; 3 Taf. 



1884. Die Polycladiden des Golfes von Neapel. Fauna u. Flora von Ncapel, (2) 11: 

 1-688; 39 pi. 



Lankester, E. R. 



1901. A Treatise on Zoology. IV. The Platyhelmia, Mesozoa, and Ncmertini. Lon- 

 don. 204 pp. 

 La Rue, G. R. 



1917. Two New Larval Trcmatodes from Thamnophis marciana and Thamnophis 



equcs. Occasional Papers Mus. Zool. Univ. Mich., No. 35; 14 pp., 1 pi. 

 Lebour, Marie V. 



1907. Larval Trcmatodes of the Northumberland Coast. Trans. Nat. Hist. Soc. 



Northimiberland, n.s., 1:437-454; 5 pi. 

 Leidy, J. 



1877. On Flukes infesting MoUusks. Proc. Acad. Nat. Sci. Phila., 29:200-202. 



1890. Notices on Entozoa. Proc. Acad. Nat. Sci. Phila., 42:410-418. 



1904. Researches in Helminthology and Parasitology. Smiths. Inst. Misc. Coll. 



Vol. 46, 281 pp. 

 Leiper, R. T. 



1915. Report on the Results of the Bilharzia Mission in Egypt, 1915. III. Jour. R. 

 Army Med. Corps, 25:253-267; 15 Figs. 



1916. On the Relation between the Terminal-Spincd and the Lateral-Spined Eggs of 

 Bilharzia. Brit. Med. Jour., 1916, 1:411. 



Leiper, R. T., and Atkinson, E. L. 



1915. Observations on the Spread of Asiatic Schistosomiasis. Brit. Med. Jour., 1915, 



1:201-203; 1 pi. 

 Lejtenyi, Th. 



1881. Ueber den Bau des Gastrodiscus polymastos Leuck. Abhandl. Senkenberg. 

 naturf. Ges. Frankfurt, 12:125-146; 3 Taf. 



Leuckart, R. 



1863. Die MenschUchcn Parasitcn. Leipzig. 766 pp. 



1886. Die Parasitcn der Menschen. 2 Aufl. 1, Trcmatodes. Leipzig u. Heidelb. 



534 pp. 

 Leydig, Fr. 



1853. Helminthologische Notizen. Zeit. wiss. Zool., 4:382-384. 

 Lindner, E. 



1914. Ueber die Spermatogenese von Schistosoraum haematobium Bilh. (Bilharzia 



haematobia Cobb.), mit besonderer Beriicksichtigung der Geschlechtschromosomen. 



Arch. Zcllforsch., 12:516-538; 2 Taf. 



LiNSTOW, O. 



% 1877. Enthclminthologica. Arch. Naturgcsch., (1) 43:173-198; 3 Taf. 

 Looss, A. 



1885. Beitrage zur Kenntnis der Trematoden. Zeit. wiss. Zool., 41:390-446; 1 Taf. 

 1892. Ueber Amphistomum subclavatum Rud. Lcuckart's Festschr., 142-167; 2 Taf. 



