Vou.2] Hsterly—Copepoda of the San Diego Region. 211 
1. Microsetella rosea Dana. 
Harpacticus roseus Dana, 1847, p. 153. 
Canthocamptus roseus Dana, 1852, p. 1189; 1855, pl. 83, figs. 1-10. 
Microsetella rosea Giesbrecht, 1892, pp. 550, 554, pl. 44, figs. 32, 
So ol 054 21, 45, toa. 
Fig. 52.—Microsetella rosea. Female. (a) Lateral X83. (b) Fifth foot 
<195. Re., outer ramus. (c) Furea, ventral, 195. 
2 Longest bristle of furea almost twice as long as the body, 
third terminal bristle less than half as long as the abdomen. 
Innermost bristle of fifth foot not much shorter than the others. 
& Unknown. 
Coloration: Rather transparent, region of mouth red, and 
also long fureal bristles; digestive tract rosy red. 
Length: Female, 0.84—0.9 mm. 
Occurrence: June 10, 1904, five females; catch taken near 
La Jolla. 
