PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM issued (ISr^fVn.-'Q^MI ^y '^^ SMITHSONIAN J NSTITUTION U. S. NATIONAL MUSEUM Vol. 100 Washington : 1950 No. 3261 COPEPODS FROM LAKE ERH HAI, CHINA By Sidney C. Hsiao During the years 1943-i5 a limnological survey was made of the fresh-water lake Erh Hai (the Tali Lake) in Yunnan, southwest China. An examination of the copepods from the plankton hauls showed a number of new species of Eucopepoda and a large number of individuals of one species of Branchiura. It is the purpose of this paper to record these forms. The limnological data that accompanied the specimens have been reported elsewhere (Hsiao, 1946 and 1949), Grateful acknowledgment is made to Prof. G. E. Hutchinson for putting at our disposal specimens collected during the Yale North India Expedition and for his kind advice and encouragement. The present work was done during the tenure of a Seessel Memorial Fellowship in the Osborn Zoological Laboratory of Yale University ; the use of the facilities of that laboratory are also gratefully acknowledged. Order EUCOPEPODA Suborder Calanoida Family DIAPTOMIDAE G. 0. Sars Subfamily Diaptominae Kiefer Genus TROPODIAPTOMUS Kiefer TROPODIAPTOMUS HEBEREROIDES, new species Ftgure 20 Diagnosis. — ^Very close to Tropodiaptomus hebereri from Sumatra and Java but differing from it as follows : Female with a simple anal 852G00— 50 1 161
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