No. 3656 COPEPODS—LEWIS 51 
MEASUREMENTS (in mm).—6 females, 3 males: 
females 
mean range males 
Total length, excluding caudal 
setae 4, 54 4, 29-4. 92 4, 00, 3. 81, 3. 74 
Length of cephalothorax 1. 86 1. 78-1. 96 1. 96, 1. 81, 1. 81 
Width of cephalothorax 1. 64 1, 48-1. 85 1. 74, 1. 48, 1. 48 
Length of genital segment 1. 49 1. 87-1. 70 1, 00, 0. 81, 0. 81 
Width of genital segment LO 1. 00-1. 18 0. 70, 0. 59, 0. 67 
Length of abdomen in I 0. 96-1. 26 0. 85, 0. 74, 0. 78 
Length of egg strings (2 strings) 2. 96, 3. 03 
DeEscriIpTion.—See Lewis (1967). 
Caligus bonito Wilson 
Caligus bonito Wilson, 1905a, p. 589, pl. 13, figs. 150-153, text figs. 5, 12-15, 29, 
30, 35, 37, 38, 40-45.—Lewis, 1967, p. 124, figs. 46-48. 
Hosts AND DISTRIBUTION.—See Lewis (1967). 
MarertALt.—2 females from the gill cavity and buccal cavity of 
Sarda orientalis (Schlegel) (specimens retained by author). 
MEASUREMENTS (in mm).—2 females: 
Total length, excluding caudal setae 4.66, 5.55 
Length of cephalothorax 2.11, 2.48 
Width of cephalothorax 2.04, 2.48 
Length of genital segment 1..52..1..48 
Width of genital segment 1.33, 1.22 
Length of abdomen O2967 1218 
DescripTion.—See Lewis (1967). 
Caligus asymmetricus Kabata 
Caligus asymmetricus Kabata, 1965c, p. 110, figs. 1B,p,n.—Lewis, 1967, p. 131, 
figs. 49-51. 
Hosts AND DISTRIBUTION.—See Lewis (1967). 
Martrriat.—4 females (one damaged) and 4 males (USNM 120762) 
from the external surface, gill cavity and buccal cavity of Gramma- 
torcynus bilineatus (Riippell); 2 males (retained by author) from the 
external surface of Sarda orientalis (Schlegel); 2 females (retained 
by author) from the gill cavity of Grammatorcynus bilineatus (Riippell) ; 
1 male (retained by author) from the buccal cavity of G. bilineatus. 
MEASUREMENTS (in mm).—5 females and 7 males: 
females males 
mean range mean range 
Total length, excluding caudal 
setae 3.05 2.72-3.51 2.78 2.35-3.15 
Length of cephalothorax 1.69 1.49-1.94 1.74 1.51—2.00 
Width of cephalothorax 1.42 1.31-1.53 1.388 1.28-1.48 
Length of genital segment 0.89 0.76-0.99 0.54 0.41-0.70 
Width of genital segment 0.80 0.63-0.95 0.51 0.45-0.56 
Length of abdomen 0.33 0.29-0.36 0.36 0.31-0.41 
