348 Records of ilic Indian Museum. [Vol. XV, 



Sphaerospora, Thelohan. The cysts occurred in very large numbers, 

 one under each scale. They were found on a specimen of Barilius 

 barna (Ham. Buch.) collected in June 1915, b}' J. Coggin Brown, Esq., 

 of the Geological Survey of India, from the vicinity of the Ruby Mines, 

 Burma. 



Literature cited — 



1. Auerbach, M. — Bemerkungen uber Myxosporidien. Zool. 



Anz. M. Leipzig, 1909. 



2. ,, Studien uber die Myxosporidien der Nor- 



wegischen Seefische, und ihre Verbreitung. 

 Zool. Jahr., Syst. 24. Jena, 1912. 



3. Cohn Ludwig. — Uber die Myxosporidien von Esox lucius und 



Perca fluviatilis. Zool. Jahrh.. Anat. Ahfh., 

 Vol. IX. Jena, 1896. 



4. Gurley, R. R. — On the classification of the Myxosporidia, a 



group of Parasites infesting fish. Bull. U. 

 S. Fish Commission, Vol. XI. Washington, 

 1891. 



5. Keysselitz, G. — Die Entwicklung von Myxobolus pfeifferi, 



Thel. ArcJi. f. 'Protistenk.,'Xl. Jena, 1908. 



6. Kudo, R. — Contributions to the study of Parasitic Protozoa 



II. Myxobolus toyamai, n. sp., a new Myxos- 

 poridian parasite, in Cyprinus carpio, Lin. 

 Journal of Parasitology, Vol. II, No. 4. 

 Urbana, Illinois, U. S. A., June, 1917. 



7. Labbe, A. — Sporozoa. In " Das Tierreich." Berlin, 1899. 



8. Minchin. — Treatise on Zoology, edited by E. Ray Lankester. 



Protozoa, Part I. London, 1903. 



9. Southwell, T. — Notes from the Bengal Fisheries Laboratory, 



Indian Museum. '■ On some Indian Parasites 

 of Fish with a note on Carcinoma in Trout." 

 Rec. Ind. Mus., Vol. XI. Calcutta, 1915. 

 10. Trojan, E. — Ein Myxobolus im Auge von Leuciscus rutilus. 

 Zool. Anz. 34. Leipzig, 1909. 



III. SOME FISH TREMATODES. 



(Plate XII.) 



We here describe a new species of the genus Clinostomuni, Leidy. 

 A small collection of encysted larval Trematodes is also described. 



(a) Clinostomum piscidium, sp. nov. 



Introduction.-- The specimens dealt with in this communication 

 were first collected from the mesentery of Trichogaster fasciatus, 

 on April 16, 1915, at Khulna, Bengal. Since then specimens have 

 been obtained from the mesentery of Nandus nandus ^ (May 1917), 



^ Nandus iruxrmjratus of the " Fauna of British Indi'i." 



