VI 



Index. 



Hart, W. E. : Abnormal caterpillar of 



Choerocampa, 44. 

 Hcterocarpy in Picris echioides, 25. 

 Hoopoe in Inishowen, 93. 

 House-fly : feeler, 8. 

 Hymenoptera, Aculeate, in 1919, 132 ; 



in Donegal, Fermanagh, and Armagh 



6. 



Ichneumonidae and Braconidae, Irish, 



35- 

 Incubation of birds, 93. 



Jay : Co. Louth, 72 ; Westmeath, 44. 



Johnson, Rev. W. F. : Aculeate Hy- 

 menoptera from the Counties of 

 Donegal, Fermanagh, and Armagh, 

 6 ; Athous hirtus Herbst, a cor- 

 rection. 80 : Entomological notes 

 from Donegal, Fermanagh, and Ar- 

 magh, 20 ; Irish Ichneumonidae and 

 Braconidae, 33 ; Ploiaria culicifor- 

 mis in Co. Armagh, gi ; Rhyssa 

 persuasoria in the Counties ot 

 Down and Fermanagh, 115. 

 Entomological Notes for igig, 127 ; 

 Irish Aculeate Hymenoptera in igig, 



J uncus cffusus spiralis, 44. 



Kirkwood, Maud : Blacktailed Godwits 

 in Co. Mayo, 108. 



Lejeunea Macvicari, 51. 

 Lejeunea minutissima, 79. 

 Eepidoptera, collected in Ireland by 



Lieut. R. E. Cusack, 57. 

 Lepidoptera from East Tyrone, 118. 

 Leucophasia sinapis : Co. Cork, 92; 



Co. Wexford, 106 ; Co. Wicklow, 92. 

 Limnaea pereger, 9. 

 Lophocolea bidentata, 51. 



MacHenry. Alexander : Obituary no- 

 tice, 102. 



Matricaria discoidea, 80. 



May, George C : Glaucous Gull at 

 Sandymount, 55. 



Melampsora lini on flax, 41. 



Mesoplodon mirus, 130. 



Metzgeria furcata, 51. 



Mice and rats, importance of, 49. 



Moffat, C. B. : Leucophasia sinapis in 

 Co. Wexford, 106 ; Obituary notice 

 of Rev. Charles William Benson, 

 73 ; A new book on Birds (review of 

 Witherby's Practical Handbook 

 of British Birds), 134. 



Musca domestica, feeler, 8. 



M}Cctozoa, Irisli, 45. 

 Myriapoda, ^. 



Nesting of birds : relation of song to, 



97- 

 Nitella, New (N. spanioclema), i. 

 Noonan, James : Vaccinium Myrtillus 



on Raths, 105. 



Obituary : Benson, Rev. Charles 

 William, 73; Colgan, Nathaniel, 121 

 Green, William Spotswood, 81 

 INIacHenry, Alexander, 102 



Waddcll, Rev. Herbert Cosslett, 108 



Orobanche rubra, 80. 



Papulaspora sepedonioides, 7g. 



Pentland, G. H. : Jay in Co. Louth, 72 ; 

 Wasp's nest, 54. 



Pethybridge, George H. : Heterocarpy 

 in Picris echioides, 25. 



Phytophthora cryptogea, 8. 



Picris echioides, Heterocarpy, 25. 



Pinguicula vulgaris var. bi color, 80. 



Pisidium parvulum in Co. Antrim, g2. 



Plagiochila asplenioides, 31, 



Planorbis corneus in Co Dublin, 135. 



Plants in Co. Louth, gj ; Irish, 4.^. 



Ploiaria culiciformis in Co. Armagh, gi. 



Plover, Twinged, incubation, g3. 



Pollan in Lough Ree, 93. 



Potamogeton panormitanus in Ireland, 

 106. 



Praeger, R. Lloyd : Asplenium Adian- 

 tum-nigrum var. acutum, 13, 53 ; 

 Clavaria argillacea, 79 ; Nathaniel 

 Colgan (obituary notice), 121 ; Two- 

 barred Crossbill, 56 ; Viola stagnina 

 in Fermanagh, 95 ; Rev. Herbert 

 Cosslett Waddell, (obituary notice), 

 108. 



Raphanus maritimus. So, 



Rats and mice, importance of, 49. 



Redwings, early arrival, 107. 



Reviews : Frohawk (F. W.) " Birds 

 Beneficial to Agriculture," 105 ; 

 Gladstone (Hugh S.) " Birds and the 

 War," 96 ; Robson (Forster) " The 

 Seashore : its inhabitants and how 

 to know them." 105 ; Witherby 

 (H. F.) Practical Handbook of 

 British Birds, 134. 



Rhyssa persuasoria in Down and 

 Fermanagh, 115. 



Ringdoves : large flock in spring, 94. 



Robson, Forster : " The Seashore : 

 its inhabitants and how to know 

 them " (review), 105. 



