MAEINB BIOLOGICAL STATION AT POET EEIN. 23 



workers in the laboratory, and has done a considerable 

 amount of collecting on the shores and in the bay. A most 

 effective addition to the collecting apparatus which can be 

 worked from a rowing boat in the bay is a small iron 

 trawl of 4|- feet beam, and fitted with the cod-end of a 

 shrimp net. This is lighter to pull than a dredge, sweeps 

 a greater area, and gives better results. 



The Lords Commissioners of Her Majesty's Treasury 

 have kindly presented to the library of the Station the 

 three large quarto volumes containing the well-known 

 elaborate Eeport upon the "Challenger" Amphipoda by 

 the Eev. T. E. E. Stebbing, F.E.S., a classic work in 

 marine biology. 



Mr. Chadwick reports as follows : — 



" The Port Erin Biological Station has been open every 

 week day from January 24th to the present. The Labora- 

 tory, together with the instruments, dredges, and other 

 implements has been kept in a clean and efficient condition. 

 A few additions have been made to the stock of reagents, 

 and the supply of all has been kept up to the requirements 

 of workers. A few additions, in the shape of reprints 

 and one volume (purchased) have been made to the library. 

 To all donors an acknowledgement was promptly sent. 



" Meteorological observations have been taken and care- 

 fully recorded twice almost every day, the very occasional 

 omissions being caused by the Curator's absence on a 

 dredging excursion. 



" In January, the temperature of the sea was almost 

 uniformly 2° higher than that of the air, while in February 

 it averaged 4° to 5° higher. In March, it averaged about 

 3° higher, and in April, 1° higher. From the beginning 

 of May to the end of September, the temperatures of air 

 and sea averaged the same. The greatest disparities 

 occurred in May, when, during the afternoon of the 13tb, 



