SEA-FISHERIES LABORATORY. 171 



August 27. August 28. Sept. 1 . 



Chsetoceros c. ... fr. ... r. 



Ceratium tripos c, .. fr. ... c. 



Sagitta — ... — ... r. 



Autolytus — ... r. ... r. 



Crab zoea — ... r. ... c. 



Crab megalopa — ... — ... r. 



Podon — ... c. ... c. 



Evadne — ... c. ... — 



Copepoda v.ab. ... c. ... ab. 



Calanus — ... r. ... fr. 



Pseudocalanus r. ... r ... r. 



Paracalanus fr. ... r. ... r. 



Temora r. ... r ... fr. 



Centropages r. ... r. ... fr. 



Anomalocera r. ... — ... fr. 



Parapontella r. ... r. ... — 



Labidocera — ... r. ... r. 



Isias r. ... r. ... — 



Acartia fr. ... fr. ... c. 



Oithona c. ... c. ... fr. 



Oikopleura fr. ... fr. ... c. 



Mackerel eggs — ... r. ... — 



Rockling eggs — ... r. ... r. 



Quantity of material 1 1 c.c. ... 3 c.c. ... 4 c.c. 



On August 27th the pelagic life was far more 

 abundant than at the later dates. The Copepoda varied 

 in genera and relative abundance each visit. Podon and 

 Evadne, although tolerably common on August 28th were 

 quite absent on the previous day, and only Podon was 

 noted on September 1st. Sagitta was not found either on 

 August 27th or 28th, but was represented by a few 

 specimens on September 1st. Crab Zoea were found to be 

 tolerably common on September 1st, scarce on August 

 28th, and entirely absent on the 27th. Megalopa were 

 only noted on September 1st. 



Tow- nettings taken at longer intervals in the same 

 spot frequently show extreme variations. This is well 



