explanation of plates. 53 



Cyclops Ewartl 



4. Male seen from side x 54. 



5. Anterior antenna of female. 



6. Foot of fifth pair. 



7. Abdomen of female. 



Plate VIII. 

 Cyclops affinis. 

 Fig. 1. Female seen from above X 105 (Duddingston Loch.) 



2. „ ,, x 100 (Yetholm Loch). 



3. Anterior antenna. 



4. Foot of first pair. 



5. ,, third pair. 



6. „ fourth pair. 



Plate IX. 

 Cyclops fimbeiatus (= crassicornis). 

 Fig. 1. Female seen from above x 80. 



Cyclops piialeratus. 



2. Female seen from above x 80. 



Diaptomus serricornis. 



3. Last three joints of anterior antenna of male. 



4. Distal angle of basal joint of posterior maxilliped. 



5. Fifth pair of feet of male. 

 6*. ,, ,, of female. 



7. Posterior thoracic lobules and first abdominal segment (female). 

 (Figs. 3-7 drawn from Loch Mulloch Corrie specimens.) 



8. Right antennal appendage of male. 



9. Inner branch, right fifth foot of male. 



10. ,, ,, ciliated appendages, more highly magnified. 



(Figs. 8-10 drawn from Lerwick specimens.) 



Plate X. 

 Cyclops ozquoreus. 

 Fig. 1. Female seen from above x 136. 



Diaptomus hircus. 



2. Foot of fifth pair of female. 



3. ,, ,, of male. 



4. Right antennal appendage of male. 



Cyclops longicaudatus. 



5. Female seen from above X 80. 



6. Anterior antenna of female. 



7. One of the swimming feet. 



118 



