102 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



history of the shrimp upon which Mr. T. Monaghan has 

 been started. A preliminary note with table and a chart 

 will be found in this Report. The statistics are obtained 

 from the examination of periodic samples from the 

 Mersey Estuary. The shrimps are all measured, and the 

 percentages of males, berried females and non-berried 

 females, are determined. The fecundity of the shrimp is 

 also being studied. 



Mr. H. GK Jackson gives a further note on the occur- 

 rence of larval stages of the higher Decapod Crustacea, 

 such as crabs, shrimps, and prawns in the deeper plankton 

 gatherings off the Isle of Man. 



W. A. HEKDMAN. 



Fisheries Laboratory, 

 University of Liverpool, 

 April 15th, 1914. 



