156 University of California Publications. | ZOOLOGY 
long as the outer; basals of fourth foot about as in E. pulchra, 
the spines not reaching to the distal border of the joint. 
& Head as in the female. 
Coloration: Opaque, without pigment. 
Length: Female, 6.5 mm. 
Occurrence: San Diego, November 18, 1904, one adult female, 
two immature males. 
a 
Fig. 22.—Euchirella galeata. Female. (a) Lateral X9. (6b) First basal 
of fourth foot X83. 
Sub-fam. EUCHAETINAE. 
~ 
Euchaetina Giesbrecht, 1892, p. 55. 
2 Rostrum with one point; a pouch-like appendage in front 
of the upper labium. Inner marginal bristle of furca very long. 
Distal hooked bristles of anterior maxillipeds longer than the 
proximal. Outer ramus of first pair of feet 2-jointed, of the 
second to fourth 3-jointed; inner ramus of first and second pairs 
1-jointed, of the third and fourth pairs 2-jointed. 
3 Abdomen as in the Clausocalaninae. Outer ramus of first 
pair of feet 3-jointed; fifth foot on each side with 2-jointed basal, 
and biramous; inner ramus of left stylet-like, of right truncate; 
left outer ramus 3-jointed, right 2-jointed. 
1. Genus Euchaeta Philippi. 
Euchaeta Philippi, 1843, p. 54, pl. 4, fig. 5. 
Euchirus Dana, 1846, p. 183. 
Euchaeta Dana, 1848, p. 20; 1849, p. 279; 1852, p. 1084. 
Euchaeta Claus, 1863, p. 163. 
Euchaeta Giesbrecht, 1892, pp. 55, 245, 740; 1895, p. 251; 1898, 
Dass 
2 Cephalothorax with five segments, the last two thoracic 
segments fused; abdomen with four segments, genital segment 
more or less asymmetrical. Anterior antennae of varying rela- 
tive lengths, but of characteristic form, with 23 joints. Rami 
