178 MARIE V. LEBOUR. 
and hamatus fairly common, Acartia and Pseudocalanus very common, 
Candacia armata, Coryceus and Paracalanus common at times. 
Brachyura zoee and other crustacea larve rare. Hvadne Nordmanni 
and Podon intermedius common. Balanws nauplii very common at times. 
Echinoplutei very common on the 10th, Ophioplutei fairly common 
through the month. Ovzkopleura fairly common. 
Chief forms—Asterionella japonica, Chaetoceras constrictum, Rhizosolenia 
Stolierfothii, Ceratium fusus, Prorocentrum micans, Tintinnus subulatus, 
Tintinnopsis beroidea, Phialidium hemisphericum, Obelia sp., Acartia and 
Pseudocalanus, Evadne Nordmanni and Podon intermedius. 
September (till the 18th). 
Prevalent winds W. and N.W. Usually fine weather. 
Asterionella much scarcer, Chetoceras curvisetum very common again, 
other Chetoceras species not so common. Lithodesmium and Lauderia 
fairly common. Rhizosolenia species rare except AR. Stolterfothi, Skele- 
tonema still very common. Peridiniales scarce except Ceratewm fusus 
and Prorocentrum micans which is at its maximum. Infusoria fairly 
abundant, especially Tvntinnopsis species. Dictyocha and Disiephanus at 
their maximum. Few medusz except Phialidium and Obelia. Muggiea 
very common. Sagifta common. 
Copepods fairly abundant, Calanus and Temora common, cartia and 
Pseudocalanus very common. Various crustacea larvee in small numbers, 
Evadne disappears at the beginning, Pedon is common through the 
month. Copepod and Balanus naupli very common. Lamellibranchiata 
larvee common at times. Ophioplutei very common. 
Chief forms—Chetoceras curvisetum, Rhizosolenia Stolterfothi, Skele- 
tonema costatum, Prorocentrum micans, Tintinnopsis beroidea, Muggiewa 
atlantica, Acartia, Clausii, Pseudocalanus elongatus, Podon intermedius, 
O phiopluteris. 
The dates on which the plankton samples were taken, with wind and 
weather, morning tide and time at which taken. * Indicates that the 
samples were taken from the west channel. P Indicates preserved 
samples. 
1915. Weather, Wind. Green IC ea 
September 21 P fine K. 11.30 a.m. 4.7 
*23 P drizzling 8. abt. lla.m. 5.38 
*2) P fine 8. 12 noon 6.49 
2 ek.) ahiNe NSW. 12 noon 7.45 
29 P. showery N. 11.30 a.m. 8.40 
