DISCOVERY REPORTS VOL . XI 



PLATE IV 



Fig. 1. 



^rbaXSr^Sf^ Pla " kton R"°^er,Type II: right-hand front view showing 



dutch and LZhn a nT\ZlZ SeC r n of water u t U " nel , m front, gear tra.n and friction 

 uutcn, ana rormalin tank opened. (Compare with text-figs. 14 and 16.) 



S y KtS microscope and stage for examining recorder rolls (see text- 

 ng- l*i iik right-hand mirror has been reversed to show reflecting surface The other is 



foreSun/mTbf °a^t/° r T^ * t0 ^ fr ° ° r ^J it The simple n n 

 mounted with hanSl* i U r bstltUted for , the compound microscope. A safety-razor blade 

 mounted with handle for removing plankton after examination is also shown in foreground. 



