2r2 COPEPODA 



Fig. 2c. f?. Maxillipes siu. Lobus IV of basipod. II in anterior view; x 152. 



— 2d. f?. Pes I. The terminal seta of the last segment of the exopodite; x 117. 



— 2 e. f?. The oral surface of the labrum; x 280. 



— 2 f . fd*. Rostral spine; x 77. 



— 2 g. fcf. Rostrum seen from below; x 200. 



— 2 h. f c?. Maxilla ; x 280. 



— 2 i. fc?. Pes I. The terminal seta of the last segment of the exopodite; x 117. 



— 2J. fc?. Re II of left pes V in exterior view sitting on the animal; x 200. 



— 2 k. fj". Tip of Re III of left pes V; x 280. 

 2 1. fc?. Ri of right pes V in situation, seen from the left side; x 200. 



— 2 m. fc?. Re I<N)II of left pes V; x 77. 



— 2n. f(?. Pes V dext. The third segment of exopodite from inner side; x 280. 



Fig. 3. Gaetanus major Wolfenden. 



Fig. 3 a. f?. Setae of inner margin of basipodite II of pes IV in posterior view; x 117. 



— 3 b. f$. Portion of the labrum (oral view); x 280. 



— 3c. f$. Lamina labialis etc. observed partly from in front; x 200. 



— 3d. fc?. Pes V in posterior view; x 37. 



— 3 e. f c?. Pes V dext ; the endopodite in anterior view ; x 200. 



— 3 f . fj". Portion of pes V in anterior view; x 200. 



— 3 g. Pes IV sin. of stage I V in anterior view; x 77. l 



— 3 h. Pes IV sin. of stage III in anterior view; x 77. ■ 



Fig. 4. Gaetanus minor Farran. 

 Fig. 4 a. f$. The abdomen seen from the left side; x 44. 



Fig. 5. Gaetanus latifrons G. O. Sars. 



Fig. 5 a. f$. Rostrum and frontal spine; x 24. 



— 5 b. f?. Abdomen with spermatophore seen from the left side; x 24. 



— 5c. f$. Setae on inner margin of basp. II of pes IV sin. in posterior view; x 117. 



— 5d. f$. Oral surface of the labrum; x 280. 



— 5 e. f?. Lamina labialis etc.; x 280. 



— 5f. Y$ (V). Setae on inner margin of basp. II pes IV sin. in posterior view; x 117. 



— 5g- Yc?(V). Same of Yd* (pes IV dext); x 117. 



Fig. 6. Gaetanus pileatus Farran. 

 Fig. 6 a. Labrum in oral view; x 280. 



Fig. 7. Gaetanus miles Giesbrecht 

 Fig. 7 a. The left maxillipes in anterior view; > 77. 



— 7b. Setae on inner margin of basp. II of left pes IV in posterior view; x 117. 



Plate IV. 



Fig. I. Euchirella rostrata Claus. 

 Fig. I a. f$. Teeth along inner margin of basp. II pes IV dext in posterior view; x 200. 



— lb. f?. Labrum in oral view; x 200. 



