226 SYSTEMATIC ARRANGEMENT 



10. C. viridis, t. 199. f. 11 ; Forbes fy Hartley, B.M. t. B.B.B. f. 3. 



11. C. angulata, t. 200. f. 3. 



12. C. concinna, t. 192. f. 1. 



** Front of foot subangular. 



13. C. olivacea, t. 192. f. 3, t. 197. f. 2. 



14. C. purpurascens, t. 198. f. 10. 



15. C. cserulea, t. 195. f. 2. 



16. C. pallida, t. 207. f. S. 



17. C. amcena, t. 206. f. 3. 



18. C. arenicola, t. 207. f. 1. 



19. C. Farrani, t. 195. f. 1, t. 199. f. 5. 



20. C. rubra, t. 194. f. 1. 

 2). C? Lottini, t. 194. f. 10. 



22. C. natans, t. 194. f. 6. 



23. C? pinnata, t. 195. f. 3. 



24. C. bella, t. 195. f. 7. 



25. C.Tgymnota, t. 196. f. 2. 



26. C. ■? E. Cuvieri, t. 204. f. 4 ; Voy. Bonite, t. 24 a, b, 



anat. 



The branchiae of C. aurantiaca are in rather close, and of C. viri- 

 dis in rather distant rows. 



10. Galvina. 



Body stoutish. Tentacles linear, slender ; oral pair short. Bran- 

 chiae in rather distant rows, fusiform, inflated. Foot with anterior 

 angles rounded. Lingual membrane with a series of plates with 

 large denticles and short central spine, and two separate plain lateral 

 spines. 



1. G. tricolor, t. 193. f. 2, t. 198. f. 4. Branchise much inflated. 



2. G. angulata, t. 207. f. 2. Branchise not much inflated. 



1 1 . Tergipes. 



Body slender. Tentacles subulate, simple. Labial feelers very 

 short. Gills fusiform, inflated, in a single lateral series on each side 

 of the back. Foot narrow, square in front. Lingual membrane 

 with a single series of plates, with a stout central spine and delicate 

 marginal denticles. 



1. T. laciniatus, t. 198. f. 2, t. 205. f. 3, 5. 



2. T. Lamarckii, t. 198. f. 12. 



3. T. despectus, t. 193. f. 3. 



4. T. ?, t. 205. f. 2, 7. 



5. T. adspersus, Nordm. Mem. Acad. Peters, t. ]. f. 3, 4. 



6. T. Edwardsii, Nordm. Mem. Acad. Peters, t. 1. f. 1, 2. 



12. Embletonia. 

 Body elongate, slender ; forehead with a flat lobe on each side. 



