Vv 
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Sir Epmunp G. Lopsr, Bt., F.Z.S. Exhibition of Antlers 
of Red Deer (Cervus elaphus) CER ORE OLN ALAIN: TORINO) INE 9 0 488 
The Secretary. Report on the Additions to the Society’s 
Menagerie during the inonth of April 1914 ............ 489 
Mrs. R. Hate Tuomas, F.Z.S. Exhibition oF Skulls of Horn- 
les Amatclomestiene eee meee tat er see Sh nate) G, 490 
Mr. D. M.S. Wavson, M.Se., F.Z.8. Exhibition of Pro- 
colophon trigoniceps, a Cotylosaurian Reptile ............ 490 
PAPERS. 
1. Contributions to the Anatomy and Systematic Arrange- 
ment of the Cestoidea.—XII. Further Observations 
upon the Genus Urocystidium Beddard. By Frank KE. 
BepparbD, M.A., D.Sc., F.R.S., F.Z.8., Prosector to the 
Societys: ((lext-foumesy I O)\e heap came pact a teemtes. IL 
2. Observations made to ascertain whether any Relation 
subsists between the Seasonal Assumption of the 
“ Helipse” Plumage in the Mallard (Anas boscas) and 
the Functions of the Testicle. By C. G. Sunremann, 
F.Z.S., and 8. G. Suarrock. (Text-figures 1-6.) ...... 23 
3. The Possible Connection between Spindle-Length and 
Cell-Volume. By C. F. U. Munx, M.Sc., F.L.S., F.Z.8. 
(IBA Rev ets a1 LES) SS ia Ae een cit a ae eS 45 
4, Contributions to a Study of the Dragonfly Fauna of 
Borneo.—Part II. The Gomphine and Chlorogom- 
phine. By F. F. Larpnaw, M.A., F.Z.8. (Plate I.) . 51 
5. Note on an imperfectly developed specimen of the Sea- 
Urchin (Zchinus esculentus). By H. C. CHapwicr, 
Agnes (hext-neunest U4)! eek Saks eee. 65 
6. Spiders from the Montebello Islands. By H. R. Hoec, 
Mien Ze over (Ce labese le UND cs RSI Scala ety ees 69 
