COPEPODA 



257 



Fig. 36. f$. End of broken seta in fifth lobe of the maxillae; x 44. 



36. f.. Maxillipes sin.; x i3 - 5- 



3 f. f$. Last segment of left maxillipes; x 44. 



3 g. f.. Pes II sin.; terminal seta; x 44. 



Fig. 4. Cornucalanus chelifer J. C. Thompson. 

 Fig. 4 a. ?. Abdomen in lateral view ; x 13-5. 



4 b. $. Pes IV sin. in posterior view ; x 44. 

 4 c. .. Pes V dext. in posterior view ; x 57. 

 4 d. ^. Labrum in oral view ; x 280. 



4e. ?. Serrula 6-dentata etc. ; x 200. 



4f. <?. Abdomen in lateral view; x 13-5. 



4 g. c?. Pes V sin.; third outer segment; x 117. 

 4h. $ (Stage V). Pes V sin. in anterior view; x 57. 



Fig. 5. Onchocalanus magnus Wolfenden. 

 Fig. 5 a. ^. Head in lateral view; x i3'5. 



5 b. . Abdomen in lateral view; x 13-5. 

 50. $. Pes IV sin. in posterior view; x 44. 

 5 d. $. Pes V sin. in anterior view ; x 57. 



5 e. $. Labrum in anterior view and labial lobes ; x 33. 

 5 f. $. Labrum in oral view; x 77. 



5 g. ?. Serrula 6-dentata and lobus labialis in anterior view ; x 77. 



Fig. 6. Onchocalanus cristatus Wolfenden. 

 Fig. 6 a. $. Pes V sin. ; third outer segment ; x 57. 



6b. c?- Abdomen in lateral view; x 13-5. 



6 c. cT. Maxilla sin. ; x 44. 



6 d. c?. Serrula 6-dentata ; x 200. 



6e. ? (Stage V). Pes V sin.; x 37. 



Fig. 7. Lophothrix frontalis Giesbrecht. 

 Fig. 73. Pes III sin.; x 24. 



7 b. $. Labrum in anterior view; x 117. 

 70. ?. Labrum; oral surface; x 117. 



7 d. $. Lamina labialis and serrula 6-dentata; x 117. 



Fig. 8. Scaphocalanus magnus Th. Scott. 

 Fig. 8 a. $. Labrum etc. in lateral view ; x 24. 



8 b. .. Pes II ; endopodite ; x 57. 



8 c. $. Labrum in anterior view ; x 77. 



8 d. ?. Labrum in oral view ; x 200. 



Fig. 9. Scaphocalanus obtusifrons G. O. Sars. 

 Fig. 9 a. $. Pes IV dext.; terminal seta; x 77. 



9 b. $. Labrum in anterior view ; x 77. 

 9 c. $. Labrum in oral view ; x 200. 



9 d. $. Serrula 6-dentata ; x 200. 



The Ingolf-Expedition. III. 4. 33 



