ATLANT. DEEP-SEA EXPED. 1910, VOL. Ill] 



PENE1DES AND STENOPIDES 



19 



Fig. 27. Petasma of Sergestes tropicus, </ 18, st. 53, 3 In 2600 ( 10 /i). Fig. 28. Rostrum and eye of 5. tropicus, d" 19, st. 49, 4 In 3000 ( 10 /i). 

 Fig. 29. Rostrum of S. KrOyeri, (after Hansen, 1903). Fig. 30. Fore-end of 5. tropicus, J" 18, St. 56, 3 In 3000 ( 6 /i). Fig. 31. The same ( 6 /i). 



Fig. 32. Outer flagellum of antennular of the same specimen ( 20 /i). 



Fig. 33. Sergestes tropicus, <?2\, st. 64, 3 In 3000. Right eye from above, petasma, end of 4. leg, telson and outer uropod. (Enlarge- 

 ments inscribed in the drawnings). 



