Vou.2] Hsterly—Copepoda of the San Diego Region. 169 
outer with five (fig. 30d). First basals of fourth feet without 
inner marginal bristle, inner border of second basal in second to 
fourth pairs ending in a sharp point. First joint of outer ramus 
of first foot with short, curved outer marginal bristle; first joint 
of outer ramus of fourth pair without outer marginal bristle. 
Fifth foot (fig. 830c) 2-jointed, with a short distal bristle and a 
very long proximal one. 
Fig. 50.—Scolecithrix pacifica, n. sp. (a) Female, lateral, X31. (bd) 
Anterior maxilliped 140. (c¢) Fifth foot X195. (d) Max- 
illa X83, parts as in fig. 29c. 
& Unknown. 
This specimen approaches S. porrecta closely in general char- 
acter, but is distinct in the length of the rami of the posterior 
antennae, form of the maxilla, bristle on outer margin of first 
joint of the outer ramus of the first foot, and in the form of 
the fifth feet. The anterior antennae are broken, but have prob- 
ably not over twenty joints. 
Length: Female, 2.3 mm. 
Occurrence: June 23, 1904, San Diego, one female. 
