548 CALIFORNIA ACADEMY OF SCIENCES. 



notum, a spot beneath, the tegul^e, hind legs, apical one- 

 fourth of anterior wings and a band across before the 

 stigma, apical two-thirds of hind wings and the three 

 terminal segments of abdomen black. The head is 

 smooth, polished; the mesonotum punctate, becoming 

 very finely and closely punctate toward the lateral mar- 

 gins, the pronotum punctate only along the upper hind 

 margin; the scutellum conically elevated, sparsely punc- 

 tate; metanotum with a deep transverse furrow at base, 

 the posterior face with shallow punctures, clothed with a 

 sparse black pubescense ; abdomen, except the basal half 

 of the petiole, longitudinally shagreened. 



Described from one S specimen from San Jose del 

 Cabo. A most lovely species, imitating some of the forms 

 found in the genus Joppa. 



QlDiCEPHALUS Cresson. 

 22. CEdicephalus albomaculatus sp. n. 

 $ . — Length 9 mm. Black, shining; the antennal joints 

 10-20, orbits, face, mandibles, palpi, lateral margins of 

 pronotum, two short lines on disk of mesonotum, spot on 

 the scutellar ridges, the scutellum, except the depression 

 at base, the post-scutellum, a small spot before each meta- 

 thoracic spiracle, two large spots on the posterior face of 

 metathorax, a large spot beneath the tegul^, the anterior 

 coxae and trochanters and a spot on the hind coxse above 

 at base, middle coxae except behind, and a spot on the 

 middle of mesopleura and metapleura, all white; legs 

 mostly, apical margins of all the abdominal segments and 

 the venter, yellow. The antenna, except the broad white 

 annulus, the middle coxae behind, the hind coxse except 

 as noted, the hind trochanters above, their femora above, 

 tips of their tibiae and last joint of tarsi, black; the middle 

 trochanters behind and their femora above, as well as 



