308 Centris. 
pulverata Lep. — 9 $ — Am.: Brasilia. 
Centris pulverata Lepeletier, Hist. nat. Insect. Hymén. IL. 1841 p. 161 n. 22, Q. 
Centris pulverata Smith, Ann. & Mag. Nat. Hist. (4) XIII. 1874 p. 358 n. 4, Q. 
Centris pulverata Burmeister, Stettin. entom. Zeitg. XXXVII. 1876 p. 161 n. 3, $. 
punetata Lep. — Q — Am.: Brasilia. 
Centris punctata Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 169 n. 37, Q. 
pyrrhopygia (Spin. Smith — Q — Am.: Cayenne. 
Hemisia pyrogypa Spinola, Ann. soc. entom. France X. 1841 p. 14$ n. 99, C. 
Centris pyropyga Smith, Catal. Hymen. Brit. Mus. II. 1854 p. 377 n. 41. 
Centris pyropyga Smith, Ann. & Mag. Nat. Hist. (4) XIII. 1874 p. 369 n. 72. 
quadrimaeulata Smith — Q — Am.: Brasilia. 
Centris quadrimaculata Smith, 1t^ Rep. Peabody Acad. Sc. 1869 p. 57, Q. 
quartinae Grib — Q — Am.: Venezuela. 
Centris Quartinae Gribodo, Bull. soc. entom. Ital XXIII. 1891 p. 110, C. 
rubella Smith — 9 — Am.: Brasilia. 
. Centris rubella Smith, Catal. Hymen. Brit. Mus. II. 1854 p. 372 n. 22, Q. 
rufa Lep. — 9 — Am.: Brasilia. 
Centris rufa Lepeletier, Hist. nat. Insect. Hymén. IL. 1841 p. 153 n. 8, C. 
seapulata Lep. — 9 — Am.: Cayenne. 
Centris scapulata Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 159 n. 18, 9. 
scopipes Ill! — Am.: Brasilia. 
Centris scopipes Illiger, Magaz. f. Insectenk. V. 1806 p. 144 n. 16 [s. deser.]. 
seutellaris Ill! — Am.: Brasilia. 
Centris seutellaris Illiger, Magaz. f. Insectenk. V. 1806 p. 144 n. 9 [s. descr.]. 
semieaerulea Smith — /$ — Am.: Venezuela. 
Centris semicoerulea Smith, Ann. & Mag. Nat. Hist. (4) XIII. 1874 p. 363 n. 28, 3. 
similis (Fabr. Ill.! — Am. mer. 
Bombus similis Fabricius, Syst. Piez. 1804 p. 351 n. 43. 
Megilla (Centris?) similis Illiger, Magaz. f. Insectenk. V. 1806 p. 172. 
simillima Smith — Q — Am.: $t. Domingo. 
Centris simillima Smith, Ann. & Mag. Nat. Hist. (4) XIII. 1874 p. 370 n. 78, Q. 
spinipes Fabr. — Am.: Nova Cambria. 
Apis spinipes Fabricius, Entom. system. II. 1793 p. 341 n. 119. 
Centris spinipes Fabricius, Syst. Piez. 1804 p. 361 n. 34. 
sponsa Smith — Q — Am.: Columbia. 
Centris sponsa Smith, Catal. Hymen. Brit. Mus. II. 1854 p. 374 n. 27, €. 
tarsata Smith — /j — Am.: Brasilia. 
Centris tarsata Smith, Ann. & Mag. Nat. Hist. (4) XIII. 1874 p. 371 n. 81, jj. 
terminata Smith — ;j — Am.: Brasilia. 
Centris terminata Smith, Ann. & Mag. Nat. Hist. (4) XIII. 1874 p. 371 n. 80, 5. 
testacea Lep. — Q — Patria? 
Centris testacea Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 166 n. 30, Q. 
thoracica Lep. — Q — Patria? 
Centris thoracica Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 158 n. 16, Q. 
totonaea Cress. — Q — Am.: Mexico. 
Centris Totonaca Cresson, Trans. Amer. Entom. Soc. VII. 1879 p. 213, 9. 
trigonoides Lep. — ($ — Patria? 
Centris trigonoides Lepeletier, Hist. nat. Insect. Hymén. IT. 1841 p. 167 n. 33, $. 
unicineta (Spin. D. T. — Am.: Brasilia. 
Hemisia unieineta Spinola, Osculati: Esplor. reg. equat. 1854 p. 203 n. 19 [s. descr.]. 
Centris' unicineta m. 

