192 University of Califorma Publications. — [ZooLoey 
Length: Female, 2.2 mm. 
Occurrence: San Diego, May 31, 1904, one female. 
Fam. CANDACIIDAE. 
Candacidae Giesbrecht, 1892, p. 67. 
Candaciidae Giesbrecht, 1898, p. 126. 
2 Cephalothorax with 5 segments, rostrum absent, abdomen 
with 3 segments. In posterior antennae the second basal and first 
joint of inner ramus is fused, outer ramus slender, end joints 
shortened. Blade of mandible with few teeth. Second lobe of 
inner margin of maxilla very long, third and fourth absent. 
Anterior maxilliped without lobes, bristles on distal portions 
sickle-shaped and hooked. Posterior maxilliped as in Calanus 
but small and weak. Inner ramus of anterior pairs of feet 2- 
jointed; fifth pair rudimentary. 
& Genital orifice on left; grasping antenna the left, seven- 
teenth and eighteenth and nineteenth and twentieth joints fused ; 
fifth foot without inner ramus, the left 4-jointed, the right 3- 
jointed ending in a forceps or bristle. 
1. Genus Candacia Dana. 
Candacia Dana, 1846, p. 184. 
Ifionyx Kroyer, 1848-49, p. 601. 
Candace Dana, 1849,\p. 279; 1852, p. 1109. 
Candace Lubbock, 1856, p. 29. 
Candace Claus, 1863, p. 189. 
Candace Streets, 1877, p. 139. 
Candace Brady, 1883, p. 66 
Candace Thompson, 1888), p. 148. 
Candace Giesbrecht, 1892, pp. 67, 423, 729. 
Candace Wheeler, 1899, p. 177. 
Candacia Giesbrecht, 1898, p. 126. 
2 Fourth and fifth thoracic segments fused; front of head 
rectangular, lateral angles of last thoracic segment pointed; 
abdomen with 3 segments, genital segment often asymmetrical. 
Anterior antennae 23- or 24-jointed, proximal segments thick- 
ened, anterior border toothed. Rami of posterior antennae 
short, outer ramus slender, second joint elongated, terminal 
enes very short. Basal of mandible large, rami short, blade 
with 2 teeth. Anterior maxilliped elongate, without lobes, dis- 
