352 COPEPODA 



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



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



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



2 f . f c?. Rostral spine ; x 77. 



2 g. fd 1 - Rostrum seen from below; x 200. 



2 h. fc?. 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. 

 2k. fc?. 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. 



2m. f c?. Re I os II of left pes V ; x 77. 



2 n. fc?. 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. 



30. f$. Lamina labialis etc. observed partly from in front; x 200. 



3d. fj 1 . Pes V in posterior view; x 37. 



3 e. f <f. Pes V dext. ; the endopodite in anterior view ; x 200. 



3 f . fc?. Portion of pes V in anterior view; x 200. 



3 g. Pes IV sin. of stage IV in anterior view; x 77. 



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. 



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



5 c. f .. 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. 



56. f$. Lamina labialis etc.; x 280. 



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

 5g. Yc?(V). Same of YC? (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. 



7 b. 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. 

 i b. f?. Labrum in oral view; x 200. 



