104 BULLETIN OF THE MUSEUM OF COMPARATIVE ZOOLOGY. 



Fig. 3 a. Leg of the first pair, enlarged eight diameters. 

 " 3 b. Leg of the fourth pair, enlarged eight diameters. 

 " 3 c. Leg of the seventh pair, enlarged eight diameters. 

 " 4. Cirolana concharum Harger ex Stimpson. Last segment of pleon with 



uropods, enlarged six diameters. 



" 4 a. Leg of the first pair, enlarged eight diameters. 

 " 4 b. Leg of the fourth pair, enlarged eight diameters. 

 " 4 c. Leg of the seventh pair, enlarged eight diameters. 



PLATE III. 



Fig. 1. sEga incisa Schiodte & Meinert. Dorsal view of specimen from Station 

 307, enlarged five diameters. 



" 2. Rocinela oculata Harger. Dorsal view of specimen from Station 305, en- 

 larged six diameters. 



" 2 a. Ventral view of same specimen, enlarged six diameters. 



" 3. Rocinela Americana Schiodte & Meinert. Dorsal view of female, enlarged 

 three diameters. 



" 3 a. Ventral view of same specimen, enlarged three diameters. 



" 4. Rocinela Americana Schiodte & Meinert. Head and first thoracic segment 

 of male, enlarged three diameters. 



" 5. Syscenus infelix Harger. Dorsal view of male, enlarged one and one half 

 diameters. 



" 5 a. Lateral view of same specimen, enlarged one and one half diameters. 



PLATE IV. 



Fig. 1. Rocinela oculata Harger. Leg of the first pair from specimen figured on 



Plate III., enlarged fifteen diameters. 

 " 2. Rocinela Americana Schiodte & Meinert. Leg of the first pah*, enlarged 



ten diameters. 



" 2 a. Leg of the sixth pair of the same, enlarged six diameters. 

 " 3. Syscenus infelix Harger. Inferior view of the head, right antenna removed 



to show the antennula, enlarged eight diameters. 

 " 3 a. Left mandible of same, enlarged twenty diameters. 

 " 3 b. Maxilla of the first or inner pair, enlarged twenty diameters. 

 " 3 b'. Tip of same, enlarged about seventy-five diameters. 

 " 3 c. Left maxilliped of same, enlarged twenty diameters. 

 " 3 d. Leg of the first pair of same, enlarged four diameters. 

 " 3 e. Leg of the fourth pair of same, enlarged four diameters. 

 " 3 f. Leg of the sixth pair of same, enlarged four diameters. 

 " 3 g. Pleopod of the second pair of same, male, enlarged four diameters. 

 " 3 h. Uropod of same, enlarged four diameters. 



