MUSEUM OF COMPARATIVE ZOOLOGY. 103 



EXPLANATION OF THE PLATES. 







PLATE I. 



Fig. 1. Cirolana polita Harger ex Stimpson. Lateral view of female, enlarged 



three diameters. 



" la. Antennula of another specimen, enlarged twelve diameters. 

 " 1 b. Antenna of same, enlarged twelve diameters. 



" 1 c. Lateral view of pleon of C. polita as in fig. 4, enlarged five diameters. 

 " 2. Cirolana spinipes Bate & Westwood. Lateral view of female, enlarged 



three diameters. 



" 2 a. Antennula of another specimen, enlarged ten diameters. 

 " 2b. Antenna of same, enlarged ten diameters. 

 " 2 c. Pleon of C. spinipes as in fig. 4, enlarged five diameters. 



2 d. Pleopod of the second pair of C. spinipes, male, enlarged eight diameters. 



3. Cirolana impressa Harger. Lateral view of female, enlarged three diam- 



eters. 



3 a. Antennula of another specimen, enlarged twelve diameters. 

 3 b. Antenna of same specimen, enlarged twelve diameters. 



3c. Pleon of C. impressa as in fig. 4, enlarged five diameters. 



3d. Pleopod of the second pair of C. impressa, male, enlarged eight diameters. 



4. Pleon of Cirolana concltarurn Harger ex Stimpson, showing the first five 



segments in a lateral view, with dotted outline of last thoracic seg- 

 ment and its epirneron, enlarged five diameters. 



PLATE II. 



Fig. 1. Cirolana spinipes Bate & Westwood. Last segment of pleon with uro- 



pods, enlarged six diameters. 

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



1 b. Leg of the fourth pair, enlarged six diameters. 

 " 1 c. Leg of the seventh pair, enlarged six diameters. 



" 2. Cirolana polita Harger ex Stimpson. Last segment of pleon with uro- 



pods, enlarged six diameters. 

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



2 b. Leg of the fourth pair, enlarged eight diameters. 



" 3. Cirolana impressa Harger. Last segment of pleon with uropods, enlarged 

 six diameters. 







" 



