i8o ANNALS OF SCOTTISH NATURAL HISTORY 



LlLIACE^E. 



Polygonatum multiflorum, All. For 85 read 84. 

 Allium oleraceum, L., 84. 



PALM^E. 



Phcenix dactylifera, L. Seedlings sometimes spring up on rubbish 

 near towns, e.g. in 83 and 92 ; but they do not survive a 

 winter. 



TYPHACE/E. 



Typha angustifolia, L., 8 if. 



Sparganium ramosum, Hitds., var. microcarpum, Neum., 102. 



ARACE^E. 

 Acorus Calamus, L., 84. 



ALISMACE^:. 



Butomus umbellatus, L., 109 (f ?). 



NAIADACE^E. 



Potamogeton polygonifolius, Pour., var. cancellatus, Fryer, 112. 

 P. alpinus, Balb., var. lacustris, Marss., 90 (Lunan Burn). 

 P. heterophyllus, Schreb., 97; var. intermedius, Tisel., in. 

 P. nitens, Web., var. maximus, Ar. Benn., 89, 103. 

 P. lucens, L., 73. 

 P. upsaliensis, Tisel. , 87. 



P. polygonifolius x praelongus ( x Macvicarii, Ar. Benn.\ 97. 

 P. crispus x perfoliatus ( x Cooperi, Fryer, 86). 

 P. crispus x prcelongus ( x undulatus, Wolfg.\ 86. 

 P. obtusifolius, Mert. and Koch, 74, 98. 

 P. pusillus, L., var. acuminatus, Ar. Benn., 86. 

 P. vaginatus, Titrcz., 112. 

 P. filiformis, Nolte, 98. 



(To be continued.} 



ZOOLOGICAL NOTES. 



Bird Migration : a new Scottish Enquiry. An enquiry into the 

 migration of birds is being inaugurated by the Natural History 

 Department of the Aberdeen University, under the direction of our 

 friend Professor J. Arthur Thompson. Following the plan which has 

 been carried out with some success on the Continent, it is proposed 

 to " ring " the legs of as many migratory birds as possible in the hope 

 of obtaining information as to where our British summer visitors pass 

 the winter, and as to the routes followed by them to reach their cold 

 weather retreats. It is equally desirable that we should know where 

 our winter visitors pass the summer. If such information can be 



