MARINE BIOLOGICAL STATION AT PORT ERIN. 



47 



Working N". of the Calf Island, the surface net 

 captured 5 c.c. of organisms on the 9th of August, 1 c.c. 

 on the 10th, 8 c.c. on the 13th, and 3J c.c. on the 14th. 

 The organisms represented on the 9th were Ceratium 

 tripos, Sagitta, Autolytus, Zoea and Megalopa of crabs, 

 " Mysis " stage of Crangon, Oiko pleura, Calanus, Pseudo- 



Fig. IX. — A general gathering of Plankton, or floating organisms 

 caught in the tow-net ; 9 is Temora, and 12 Pseudocalanus (both x 10). 



calanus, Paracalanus, Acartia clausi, Avomalocera, 

 Oithona similis, Copepod nauplii, and fish (llockling) eggs. 

 On the 10th Autolytus, Zoea and Megalopa, Anomalocera 

 Oithona, and fish eggs were absent, but Medusoid 

 gonophores, Centro pages hamatus, and Temora were 



