Euphausiidæ. 41 



Fig. 7. Same, lateral view. 



» 8. Posterior extremity of body, more highly magnified. 



Plate 4. 

 (All figures drawn from fresh specimens). 



Fig. 1. Larva in the 1st Calpptojm-stage, viewed from 



right side; magnified 58 diameters. 

 » 2. Same, dorsal view. 

 » 3. Larva in the 2nd Calyptopis-stage, viewed from 



left side; magnified 58 diameters. 

 » 4. Larva in the last Calyptopis-stage, viewed from 



right side; magnified about 48 diameters. 

 » 5. Same, antennula. 

 » 6. Same, antenna. 

 » 7. Same, mandible. 

 » 8. Same, posterior lip. 

 » 9. Same, anterior maxilla. 

 » 10. Same, posterior maxilla 

 » 11. Same, maxilliped. 

 » 12. Same, extremity of tail, with telson and uropoda 



dorsal view. 



