22 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 62. 
One female, Brazil, collector unknown; three females from Bava- 
rian State collection, from Espirito Santo, Brazil; four females in 
Professor Bezzi’s collection, two being from Archidona, Ecuador; one 
from Puerto Bertoni, Alto Parana, Paraguay; one from Santo Cath- 
erina, Brazil. These four specimens were referred by Surcouf to 
Mesembrinella quadrilineata Giglio-Tos, on comparison with the 
Giglio-Tos type. One female, Huachi, Bolivia, collected by Dr. Wm. 
M. Mann. ‘Two females, Espirito Santo, Brazil, from Professor 
Johannsen’s collection. 
Type.—Female, Cat. No. 25251, U.S.N.M., from Brazil. 
MESEMBRINELLA (MESEMBOLIA) FULVIPES, new species. 
Female.—Head yellow; thorax yellow, a little brownish dorsally; 
abdomen yellow, the second segment a little metallic above and the 
third and fourth wholly metallic biue green. All the hairs and smaller 
bristles are golden or fulvous yellow on the head, thorax except 
dorsum, base of abdomen on the sides and below, coxae, femora, and 
tibiae; even the hypopleural bristles have this color. Thoracic 
chaetotaxy: acrostichal, 3 anterior, 2 posterior; dorsocentral 3, 3; 
humeral 3; interhumeral 1; posthumeral 2; presutural 2; notopleu- 
ral 2; supraalar 5 on left, 3 and asmall on right; intraalar 2; posta- 
lar 2; scutellar 1 apical, 1 lateral, 1 discal (far apart); sternopleural 
3, 1 on right, 2, 1 on left. Third and fourth abdominal segments with 
a few rather stout marginal bristles above. 
Legs entirely fulvous, only the apical part of tarsi darkened by 
black hairs. Wings but little infuscated except the heavy subcostal 
stripe; apical cell very broad, its opening in costa more than half 
the preceding costal section. 
Length, 13 mm. 
One female, Espirito Santo, Brazil, from the Bavarian State col- 
lection; and one male not very well preservered, from the same local- 
ity, in Professor Johannsen’s shipment. 
Type.—Female, Cat. No. 25252, U.S.N.M. 
MESEMBRINELLA (MESEMBOLIA) PEREGRINA, new species. 
Male.—Eyes practically contiguous on the front, separated by less 
than the width of the anterior ocellus; head yellow except upper 
half behind, the antennae, palpi, and proboscis also yellow. Thorax 
brownish above with glaucous pruinosity, chaetotaxy as follows: 
acrostichal 2,3; posthumeral 2; humeral 3; notopleural 2; intra- 
alar 2; postalar 2; scutellum with 1 lateral near base, 1 discal, 1 
apical; sternopleural 1, 1, and sometimes 1 lower very small. Abdo- 
men mostly blue, shading gradually to yellow toward the base. 
Third segment with a row of 10 smallish marginals; fourth segment 
with erect hairs, among which are scattered a few more than twice as 
