CONTENTS. 



PART IV.— January, 1877. 



VIII. A Monograph of the Lepidopterous Genus Castnia and some allied Groups. By 

 J. O. Westwood, M.A., F.L.S., fyc page 155 



IX. On a New Genus of Trematoda, and some new or little-known Parasitic Hirudinei. 



By John Denis Macdonald, M.I)., F.B.S., Deputy Inspector- General B.N., 

 Professor of Naval Hygiene Army Medical School. ( Communicated by G. E. 

 Dobson, M.A., MB., F.L.S.) 209 



X. On the Osteology and Pterylosis of the Spoon-billed Sandpiper (Eurynorhynclius 



pygmseus, Linn.). By John Anderson, M.D., F.B.S.F., F.L.S., F.Z.S., 8fc, 

 Curator of Indian Museum, and Prof. Comp. Anatomy at Medical College, 

 Calcutta 213 



