22 



Page- 

 Hatschek, E. 



Description and exhibition of investigations 

 into the form assumed by drops and vortices of 

 gelatin in various coagulants 1918, 310 



Hawkes, Onera A. Merritt. 



Observations on the Life-History, Biology, and 

 Genetics of the Lady-bird Beetle, Adalia bipunctata 

 Mulsant 1920, 475 



Hawkins, Herbert L. 



The Classification, Morphology, and Evolution of 

 the Echinoidea Holectypoida. (Text-figs. 54- 

 60.) 1912, 440 



The Anterior Ambulacrum of Echinocardium 

 cor datum Penn., and the Origin of Compound 

 Plates in Echinoids. (Plate XXVI. and Text- 

 figs. 39-41.) 1913, 169 



Hellmayr, C. E. 



A Contribution to the Ornithology of Western 

 Colombia 1911,1084 



Heron- Allen, Edward. 



Exhibition of Skiagraphs of Foraminifera, illus- 

 trating the application of X-rays to Microscopical 

 Research 1915, 152: 



Exhibition of a lantern-slide of Miliolina circu- 

 laris (cVOrb.) 1915, 293 



Remarks on the Mussel -Fishery and Foramini- 

 fera of Esnandes, illustrated by means of lantern- 

 slides 1917, 212: 



Lantern-exhibition of Arenaceous Foraminifera. 1918, 303 



Exhibition of a series of lantern-slides demon- 

 strating results of experiments on cultivation of 

 Verneuilina 1919, 225 



Heron- Allen, Edward, and Earland, Arthur. 



Notice of Memoir on the Foraminifera of the 

 Kerimba Archipelago obtained by Dr. J. J. 

 Simpson in the years 1907-8 1914,1060 



Exhibition and Discussion on " Purpose " and 

 " Intelligence " shown by the Arenaceous Fora- 

 minifera in construction of their tests 1914, 1069 



Notice of Memoir on the Foraminifera of the 

 Kerimba Archipelago, Portuguese East Africa : 

 Partll 1915, 295- 



