252 



COPEPODA 



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



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



— 2 e. f9. The oral surface of the labrum; x 280. 



— 2 f . fo*- Rostral spine; x 77. 



— 2 g. fcT- Rostrum seen from below; x 200. 



— 2h. fo*- Maxilla; x 280. 



— 2 i. fo*- Pes I. The terminal seta of the last segment of the exopodite; x 117. 



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



— 2 k. fd\ Tip of Re III of left pes V; x 280. 



— 2 1. fo*- Ri of right pes V in situation, seen from the left side; x 200. 



— 2 m. f o*. Re I <n> II of left pes V; x 77. 



— 2 n. fo*. 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. 



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



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



— 3d. f o*. Pes V in posterior view ; x ^7- 



— 3 c f d\ Pes V dext. ; the endopodite in anterior view ; x 200, 



— 3! fo*. Portion of pes V in anterior view; x 200. 



— 3 g. Pes IV sin. of stage IV in anterior view; x JJ. 



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



Fig. 4. Gaetanus minor Farran. 

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



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



Fig. 5 a. f <j>. Rostrum and frontal spine ; x 24. 



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



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



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



— 5 c f $. Lamina labialis etc.; x 280. 



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



— 5S- Y o*(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; x 77. 



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



Plate IV. 



Fig. 1. Euchirella rostrata Claus. 

 Fig. 1 a. f$. Teeth along inner margin of basp. II pes IV dext. in posterior view; x 200. 



— ib. f<j>. Labrum in oral view; x 200. 





