CRUSTACEA. CASPIA. 



489 



Fig. 



18. 

 19. 



20. 



21. 



Gammarus'Andrussowi, G. 0. Sars. 



Adult female, seen from left side. 



Superior antenna (extremity of flagel- 



lum not drawn). 



Anterior gnathopod (basal joint not 



fully drawn). 



Posterior gnathopod (do.). 



Fig. 22. Proximal part of penultimate pereio- 



pod. 

 » 23. Last pereiopod. 

 « 24. Urosome, seen from right side. 

 » 25. Last uropod. 

 » 26. Telson. 



PI. 11. 

 Niphargoides Grimmi, G. 0. Sars. 



Fig. 



1. Adult male, seen from left side. 



2. Superior antenna. 



3. Inferior antenna. 



4. Anterior gnathopod, with coxal plate. 



5. Posterior gnathopod. 



6. Second pereiopod, with coxal plate. 



Fig. 7. Antepenultimate pereiopod. 



» 8. Penultimate pereiopod. 



» 9. Last pereiopod. 



» 10. Second uropod. 



» 11. Last uropod. 



» 12. Telson. 



Fig. 13. Adult female, seen from left side. 

 » 14. Superior antenna. 

 » 15. Inferior antenna. 

 » 16. Right mandible with palp, and masti 



catory part of left one. 

 » 17. Posterior lip. 

 » 18. First maxilla. 

 1) 19. Second maxilla. 

 » 20. Maxillipeds. 



Cardiophilus Baeri, G. 0. Sars. 

 Fig 



21. Anterior gnathopod, with coxal plate. 



22. Posterior gnathopod, with part of coxal 

 plate. 



23. First pereiopod. 



24. Last pereiopod. 



25. Second uropod. 



26. Last uropod. 



27. Telson. 



PI. 12. 



Fig. 



1. Adult female, seen from left side. 



2. Superior antenna. 



3. Inferior antenna. 



4. Anterior lip. 



5. Posterior lip. 



6. Left mandible with palp. 



7. First maxilla. 



8. Second maxilla. 



9. Maxillipeds (left palp omitted). 

 10. Anterior gnathopod. 



Iphigenella acanthopoda, Grimm. 

 Fig. 11 



Posteriorgnathopod (basal part notfully 

 drawn). 



12. First pereiopod. 



13. Antepenultimate pereiopod. 



14. Last pereiopod. 



14 a. Propodal joint and dactylus of same, 

 more highly magnified. 



15. Second uropod. 



16. Last uropod. 



17. Telson. 



Corophium spinulosum, G. 0. Bars. 



Fig. 18. Adult female, seen from right side. 

 » 19. Part of inferior antenna of same, com- 

 prising the last 2 peduncular joints. 

 » 20. Posterior gnathopod. 

 » 20a. Dactylus of same, more highly magni- 

 fied. 

 >i 21. First pereiopod. 



Fig. 22. Last pereiopod. 

 )) 22 {bis). Drosorae, seen from above (the 2 

 anterior uropoda on left side omitted). 

 » 23. Second uropod. 

 a 24. Last uropod. 

 » 25. Telson. 

 » 26. Inferior antenna of male. 



■^HS- 



^ua.-MuT. CTp. 319. 



69 



