92 Azotes and Comments. 



the list of contents. The volume contains H. R. Rathbone's 

 Presidential Address on ' Wheat and its Pests ' ; Professor 

 Herdman contributes the Committee's Thirty-third Annual 

 Report ; S. T. Burfield writes on ' The Hand Skeleton of 

 some Cetacean Foetuses.' Then follows a series of reports, etc., 

 including ' Food of Port Erin Mackerel in 1919 ' and ' Mid- 

 winter Invasion of Noctiluca and Ctenophora,' by A. Scott ; 

 ' The Dietetic Values of Herrings and other Fishes,' and 

 ' Certain Parasites, Diseased and Abnormal Conditions of 

 Fishes,' by Jas. Johnstone ; ' A Contribution to the Ecology 



A " Ladybird." 



of Some Cockle Beds/ and ' Notes oii the Shell of Cardiiim 

 ediile,' by C. L. Walton ; 'On Periodicitv in the Abundance 

 of Plaice off the Mersey Estuary ' and ' The Results of Drift 

 Bottle Experiments,' by R. J. Daniels ; and ' An Intensive 

 Study of the Marine Plankton around the south end of the Isle 

 of Man,' by W. A. Herdman, A. Scott and H. Mabel Lewis. 

 There are a number of illustrations, including an interesting 

 view of the Committee's Steam Yacht ' Ladybird.' Partly 

 in order to save space and partly to demonstrate the beauties 

 of this ' painted ship on a painted ocean,' we have put this 

 block, which has kindly been lent us to, sideways, and its 

 real beautv can be ascertained by looking at it from the left- 

 li.nul side of the page. 



