Page 

 On the Cranial Osteology of the Fishes of the Families 

 Elopidce, and Albulidce, with Remarks on the Morphology 

 of the Skull in the Lower Teleostean Fishes generally. 

 By W. G. RiDEWOOD, D.Sc, F.L.S., Lecturer on Biology 

 at St. Mary's Hospital Medical School, London 35 



May 17, 1904. 



The Secretary. Report on the Additions to the Society's 



Menagerie in April 1904 82 



Dr. W. T. Caiman, F.Z.S. Exhibition of, and remarks upon, 

 a blind Crustacean {Munidoj)sis polyraorpha) from the 

 Island of Lanzarote, Canaries 82 



Mr. F. E. Beddard, F.R.S. Exhibition of, and remarks upon, 

 a specimen of the Lizard Chlcmnydosaurus hingii with 

 femoral pores 82 



Mr. Oldfield Thomas, F.R.S. Exhibition of, on behalf of the 

 President, a sketch by a Chinese artist of Pere David's 

 Deer from Hainan 83 



1. On some Nixdibranchs from East Africa and Zanzibar. — 



Part V. By Sir C. Eliot, K.C.M.G., late H.M. Com- 

 missioner for the East African Protectorate, F.Z.S. 

 (Plates III. & lY.) 83 



2. Description of a new Tree- Frog of the Genus Hyla, from 



British Guiana, cariying eggs on the back. By G. A. 

 BouLENGER, F.R.S., V.P.Z.S. (Plate Y.) 106 



3. Notes upon the Anatomy of certain Snakes of the Family 



Boido}. By Frank E. Beddard, M.A., F.R.S., Prosector 



to the Society 107 



4. On Entomostraca collected inlSTatal by Mr. James Gibson. 



By G. Stewardson Brady, M.D., LL.D., D.Sc, F.R.S., 

 O.M.Z.S. (Plates YI.-YIIL) 121 



June 1, 1904. 



The Secretar3^ Report on the Additions to the Society's 



Menagerie in May 1904 129 



