Vol. til. Land Operculates (Cyclophoridae, Truncatellidae. Assimmeidae, Hehci- 

 nidae). By G. K. Gude. Pp. i-xiv, 1-386, 2 pis., text-fige. 35/- April 5. 1921 . 



[Vol. IV.] Freshwater Gastropoda and Pelecypoda. Bv H. B. Preston. Pp. i-xi, 

 1-244, text-figs. 14/- " March 31, 1916. 



[A fifth volume, 6// Dr. B. Prashad. dealing with Pelecypoda, /-- in preparation.^ 



WORMS. 



OLIGOCH^TA. 



[In 1 Vol.] By J. Stephenson. Pp. i-xxiv, 1-518, text-figs. 30/- June 30, 1923. 



POLYCH^ETA. 



[A volume on the Polychaeta, hy Prof. Pierre Fauvel, is in preparation.'] 



HIRUDINEA. 



[In 1 Vol.] By W. A. Harding [Rhynchobdellse] and J. Percy Moore [Arhyncho- 

 bdellte]. With an Historical Preface by the Editor, A. E. Shipley. Pp. i-xxxii, 

 1-302. 9 col. pis., map, text-figs. 25/"- March 23, 1927. 



CESTODA. 



By T. Southwell. 



Vol. I. [Cestodaria, Eucestoda (excl. Tsenioidea)]. Pp. i-xxxi. 1-391. map, text-figs. 

 22/6 May 29, 1930. 



Vol. II. [Taenioidea]. Pp. i-ix*. 1-262, text-figs. 15/. Dec. 29, 1930. 



TREMATODA. 



[A volume on Trematoda //r/v Jiecii sdnrtioiied.] 



NEMATODA. 



Vol. I. Ascaroidea and Strongyloidea. By H. A. Baylis. Pp. i-xxxvi, 1-408, 

 map, text-figs. 25/- March 23, 1936. 



Vol. II. Filarioidea, Dioctophymoidea and Trichiiielloidca. By H. A. Baylis. 

 Pp. i-xxviii, 1-27-1, map, text-figs. 17/6 Aug. IS, 1939. 



CCELENTERATA, etc. 



Freshwater Sponges, Hydroids and Polyzoa. By N. Annandaijc. Pp. i-vjii. 

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PORIFERA. 



[A volume on Marine iSpoitges, by Mr. ^I. J!ui<ton, in in preparation.] 



PROTOZOA. 



Protozoa: Ciliophora. By B. L. Bhatia. Pp. i-xxii, 1-493, 11 pis., map, text- 

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Protozoa ; Sporuzoa. Bv B. L. Bhatia. Pp. i-xx, 1-497. li pis., map, text-figs. 



30/- ' Nov. 29. 1938. 



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