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The Courtship-habits of the Great Crested Grebe 
(Podiceps cristatus); with an addition to the Theory 
of Sexual Selection. By Jurian 8. Huxtey, B.A., 
Professor of Biology in the Rice Institute, Houston, 
Texcarsamm (Ilaibes ae vcz dis) SS ES cole alte aa sabe cess 
On the Species of Alastor (Paralastor) Sauss., and some 
other Hymenoptera of the Family Eumenide. By 
R. C. L. Perxins, M.A., D.Sc., F.Z.S. (Plate I.) ... 
A Report on the Fauna of the Monte Bello Islands. 
By P. D. Monracur, B.A., Gonville and Caius 
College, Cambridge. (Plates I—-IV.)..............0c00008 
Stalk-eyed Crustaceans collected at the Monte Bello 
Islands. By Mary J. Rarapun, United States 
National Museum, Washington, D.C., U.S.A. (Plates 
IES ip ELS) WR eae, eats} see AC a A ee 
- Report on Mollusca collected at the Monte Bello 
Islands. By Tom Irepate. (Text-figure 1.) ......... 
Cephalopoda from the Monte Bello Islands. By G. C. 
RGESON, (Bo AG (Mext-teumecl.) 22 5. aeniss gar tas 2 anie=' 
Description of a new Lizard from the Canary Islands. 
Biya eeu UME SWr ss ania cocettesaesenon: cae stcte casas 
The Mechanism of Suction in the Potato Capsid Bug, 
Lygus pabulinus Linn. By P. R. Awart, B.A. (Can- 
tab.), D.I.C. (Lond.), Sir John Wolfe-Barry Research 
Scholar, Imperial College of Science, London. (Text- 
mieiees SC HOL)) warned sl See ag sors Ae Parasia Seige se scyoe 
Procolophon trigoniceps, a Cotylosaurian Reptile from 
South Africa. By D. M.S. Warson, M.S8c., F.Z.8., 
Lecturer on Vertebrate Paleontology in University 
College, London. (Plates I-III., and Text-figures 
1] thio) ee On cea ee eA mabe Nel geiko Ors Ea re See 
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