Vou.2] Esterly—Copepoda of the San Diego Region. 193 
tal bristles strong, sickle-shaped; posterior maxilliped small and 
weak, second basal and inner ramus suppressed. First to fourth 
pairs of feet with 3-jointed outer rami, inner rami relatively 
small, 2-jointed; first basal with inner marginal bristle in second 
and third pairs. Outer border of outer ramus toothed, fifth 
pair stunted, 3-jointed on each side. 
4 Last thoracic segment more often asymmetrical, the point 
on the right side noticeable for form, size, and color. Abdomen 
with 5 segments, genital segment often asymmetrical with out- 
growths on the right side. Right anterior antenna a grasping 
organ. Fifth foot on right side 3-jointed, on left side 4-jointed ; 
the right foot terminates in a forceps or bristle. 
KEY TO SPECIES. 
1. Terminal bristle of outer ramus of third foot with outward bent 
point, at least as long as the distance between the distal spines 
of the outer border of ther joubt (to. 44.0). --le ae-- 2 
1. This bristle much shorter than the designated portion of the outer 
loomsler’ (Gite, AIC c do eeaogo ouae one co cop bos au0ddd so euacaddS 
2. Genital segment of female longer than broad........... C. pectinata 
2. Genital segment of female broader than long, male not known.. 
Sain A ET IE ee aoc CAPE finer en Sec. ein lap ease ese eet ot aie C. bipinnata 
3. The thick proximal portion of the anterior antennae is 7-jointed 
(Cie anata cieaste ets cle Sr oeaieaber Yexsheiei cin dnejele.e (= mallet # "equals 4 
Ze PRES) MOKWMOM, G-jOTNGER sects cer ciel ire 2-6 2 wits wee ene Seg a= oe 5) 
4. Terminal joint of fifth foot of female without bristles on inner 
border; joint of grasping antenna proximal to geniculation 
with deep teeth on anterior border. Fifth foot of male (fig. 
AGC tay is orators ioe as er meeieg as cata atels wloks olen he leenshet “Asie = C. curta 
4. Terminal joint of fifth foot of female with three bristles, apical 
teeth slender and sharp. Teeth on grasping antenna fine; 
genital segment with flat outgrowth on right side; (fig. 47b).. 
An aL TER OP ee eG. Groth CAC RT RS CRC CE ONC On CR ROTOR LO C. aethiopica 
1. Candacia pectinata Brady. 
Candace pectinata Brady, 1878, p. 49; 1883, p. 67, pl. 30, 
figs. 1-15. 
Candace pectinata Giesbrecht, 1892, pp. 424, 439, pl. 4, fig. 3; pl. 
91, figs. 2, 12; pl. 22, figs. 9, 17, 18, 31, 43-46; pl. 39, figs. 
1, 21, 22, 24, 25. 
Candacia pectinata Giesbrecht, 1898, p. 128. 
Candace pectinata Wheeler, 1899, p. 177, fig. 15. 
Genital and following segment in female asymmetrical, the 
latter protruding posteriorly; last thoracic segment in the male 
