MARINE BIOLOGICAL STATION AT PORT ERIN. 



35 



Lancashire Sea Fisheries Report and so need not be further 

 referred to here. The rest of Mr. Jackson's time at Port Erin 

 was occupied in collecting further material for his work on the 

 larvae of Higher Crustacea — which are of importance not only 

 for their own sake but also in relation to the feeding of fishes 

 (see fig. 5). He examined the various plankton gatherings 



Fig. 5. — Larval Decapod Crustacea from the stomachs of Mackerel. 



[From a Photo, by Mr. A. Scott. 



with the object of tracing the young stages of crabs and lobsters, 

 shrimps and prawns, and other allied animals throughout 

 their life- histories, and also in their distribution over the district 

 and throughout the year. Mr. Jackson published a first report 

 on this subject in the Lancashire Sea Fisheries Report for 

 1912 and a second note in last year's Report (for 1913) and 

 has in preparation a more detailed account. 



Botanical Notes. 



In addition to the courses of instruction on marine Algae 

 referred to above, several senior students spent some time in 

 investigating the life-histories of selected seaweeds. Apart 

 c 



