Contents {continued). 



March 20, 1900 {continued). 



Page 

 Mr. G. A. Boulenger, F.R.S. Exhibition of, and remarks upon, a specimen of Polypterus 



lapradii with large external gills 267 



Mr. S. L. Hiude. Eemarks on the Mammals observed during five years' residence in British 



East Africa 267 



1. On a Case of Homoeosis in a Crustacean of the Genus Ascllus — Antennule replaced by a 



Mandible. By W. Bateson, M.A., F.R.S., F.Z.S 268 



2. On Echinoderms from Singapore and Malacca. By F. P. Bedfokd, F.Z.S. (Plate3 



XXI.-XXIV.) 271 



3. Notes on the Zoological Garden of Berlin. By F. E. Blaauw, C.M.Z.S 299 



April 3, 1900. 

 The Secretary. Report on the Additions to the Society's Menagerie in March 1900 306 



1. On the Mammalia of Siam and the Malay Peninsula. By Stanley Smyth Flowek, F.Z.S. , 



5th Fusiliers 306 



2. On a remarkable Piece of Skin from Cueva Eberhardt, Last Hope Inlet, Patagonia. By 



Dr. Einak Lonnbeug, University of Upsala 379 



3. On a remarkable Attid Spider from Borneo, Mantwttta trttcidaps, n. g. et up". Bj 



Cecil Waiuutkton, M.A., Christ's College, Cambridge '. 384 



4. On Geographical and Individual Variation in MttS gylvQticW junl its Allies. By <i. K. If. 



r.v::i!i,n' Hamilton, F.Z.S. (Plate XXV.) 387 



