﻿COPEPODA 



255 



Fig. 8. Chirudina parvispina Farran. 

 Fig. 8 a. £(?. The 2 last segments of the exopodite of the left pes V; x 77. 



Fig. g. Euchirella bitumida n. sp. 



Fig. 9a. f$. The abdomen etc in dorsal view; x 24. 



— 9b. f?. The abdomen seen from the left side; x 24. 



— 9a f$. The genital somite seen from beneath; x 24- 



— 9 d. f$. The right maxilla in post view; x 117. 



— 9e. f?. The labrum in oral view (anterior portion); x 200. 



— gf. f?. The lamina labialis; x 117. 



— 9 g. f?. The area labialis; 77. 



Fig. I a. f?. Labrum; x 147. 

 — lb. f?. Labiiim; x 147. 



Plate VI. 



Fig. I. Chirudina notacantha G. O. Sars. 



Fig. 2. Valdiviella insignis Farran. 

 Fig. 2 a. f?. Pes I sin.; outer margin of second and third outer segment in anterior view; x 77. 



— 2 b. f?. Anterior surface of the labrum; x 77. 



— 2 c. f$. Oral surface of the labrum; x 77. 



— 2d. f5. Lamina labialis and serrula 6-dentata; x 77. 



— 2 e. f?. Labial lobes etc.; x 77. 



Fig. 3. Euchoete norvegica Boeck. 



Fig. 3 a. f$. Oral surface of the labrum; x 147. 



— 3 b. f$. Lamina labialis; x 147. 



— 3 c. f?. Labial lobe; x 147. 



— 3d. fc^. Pes V sin.; second and third outer segment; x 77. 



— 3 e. fd". The oral surrounding in ventral view; x 147. 



— 3f. Y (Stage II). Maxilla sin.; x 77. 



Fig. 4. Euchcete tonsa Giesbrecht 

 Fig. 4a f?. Labrum in oral view; x 147. 



— 4b. fc?. Pes V sin.; second and third outer segment; x 77. 



Fig. 5. Euchcete glacialis H. J. Hansen. 

 Fig. 5 a. f?. Lamina labialis and serrula 6-dentata; x 147. 



— 5b. f?. Labial lobe in ventral view; x 77. 



— 5c. fc?. Maxillula sin.; x 77. 



— 5d. fc^. Pes V sin.; second and third outer segment; x 77. 



Fig. 6. Euchcete Farrani n. sp. 

 Fig. 6 a. f?. Oral surface of the labrum; x 147. 



Fig. 7. Euchcete Sarsi Farran. 



Fig. 7 a. f?. Labrum in anterior surface; x 57. 



— 7 b. fc?. Pes V sin.; second and third outer segment; x 77. 



