222 



Fig. 8. Last pereiopod. 

 » 9. Second uropod. 

 B 10. Last uropod. 

 » 11. Telson, from above. 

 B 12. Adult male, viewed from right side. 



PI. V. 

 AmathUlina cristata, Grimm. 



Fig. 1. Adult female, viewed from left side. 



» 2. Same, dorsal view. 



B 3. Part of the left superior antenna, show- 

 ing the accessory appendage and the 

 base of the flagellum. 



» 4. Anterior lip. 



B 5. Posterior lip. 



B 6 Left mandible, without the palp. 



» 7. Right mandible with palp. 



B 8. First maxilla. 



B 8a (not numbered in the plate). Palp of 

 the right maxilla of same pair. 



B 9. Second maxilla. 



» 10. Maxillipeds, without the right palp. 



Fig. II. Left anterior gnathopod, with the cor- 

 responding coxal plate. 



B 12. Left posterior gnathopod, with coxal 

 plate, branchial and incubatory la- 

 mellae. 



B 13. Second pereiopod with coxal plate. 



» 14. Antepenultimate pereiopod. 



u 15. Peuultimate pereiopod. 



» 16. Last pereiopod. 



B 17. First uropod. 



» 18. Second uropod. 



B 19. Last uropod. 



B 20. Telson. 



PI. VL 



AmathUlina cristata, Grimm, 



(continued). 



Fig. 1. Adult male, viewed from left side. 



B 2. Cephalon with the base of the left in- 

 ferior antenna, lateral view. 



» 3. Left anterior gnathopod with coxal 

 plate. 



Fig. 4. Left posterior gnathopod. 



B 5. Base of penultimate pereiopod. 



B 6. Last pereiopod. 



M 7. Last uropod. 



» 8. Telson. 



AmathUlina affinis, G. 0. Sars. 



Fig. 9. Adult male, viewed from right side. 



» 10. Cephalon of a female specimen, lateral 

 view. 



« 11. Right anterior gnathopod of female, 

 with the corresponding coxal plate. 



B 12. Right posterior gnathopod of same, 

 with coxal plate, branchial and in- 

 cubatory lamellae. 



Fig. 13. Antepenultimate pereiopod. 



B 14. Penultimate pereiopod. 



« 15. Last pereiopod. 



B 16. Last uropod. 



B 17. Telson. 



» 18. Right anterior gnathopod of a male 



specimen. 



» 19. Right posterior gnathopod of same. 



PI. VII. 

 Gammarus caspius, Pallas. 



Fig. 1. Adult female, viewed from left side. 

 B 2. Cephalon with the base of the right 



inferior antenna, lateral view. 

 » 3. Accessory appendage of a superior 



antenna. 

 B 4. Left anterior gnathopod, with coxal 



plate. 

 B 5. Left posterior gnathopod, with coxal 



plate, branchial and incubatory la- 



mellie. 

 » 6. Second pereiopod with coxal plate. 

 B 7. Antepenultimate pereiopod. 

 B 8. Last pereiopod. 

 » 9. First uropod. 



$u3.-MaT. cTp. 2i22. 



Fig. 10. 

 B 11. 

 » 12. 

 B 13. 

 » 14. 



B 15. 



B 16. 

 B 17. 



Second uropod. 



Last uropod. 



Telson. 



Adult male, viewed from right side. 



Part of the left superior antenna, 



showing the last peduncular joint, the 



accessory appendage, and the base of 



the flagellum. 



Part of the 2 anterior segments of 



urosome, showing the dorsal tubercles, 



lateral view. 



Eight anterior gnathopod. 



Eight posterior gnathopod, without the 



proximal part of the basal joint. 



