554 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
Gastropsis F. Smita (=Oestropsis F. Smiru, 1868, not Braver, 1868). 
Trans. Ent. Soc. London, Proce. p. xxxix, 1868. 
Type.—Oestropsis pubescens F, SmirH, 1868. (Autobasic.) 
Synonym of Stenotritus F. Smith, according to Cockerell, Ann. Mag. Nat. 
Hist., ser. 10, vol. 8, p. 358, 1929. 
Geoperdita COCKERELL AND PORTER. 
Ann. Mag. Nat. Hist., ser. 7, vol. 4, p. 415, 1899. 
Type.—Perdita chamaesarachae CocKERELL, 1896. (Monobasic.) 
Proposed as a subgenus of Perdita F. Smith. 
Glossoperdita COCKERELL. 
Pomona Journ. Ent. Zool.. vol. 8, p. 48, 1916. 
Type.—Perdita (Glossoperdita) pelargoides COCKERELL, 1916. (Monobasic.) 
Proposed as a subgenus of Perdita F. Smith. 
Glossura COCKERELL. 
Can. Ent., vol. 49, p. 144, 1917. Two species. 
Type.—Euglossa piliventris GuériIn, 1845. (Original designation.) 
Proposed as a subgenus of Huglossa Latreille. 
Glyphandrena HEDICKE. 
Mitt. Zool. Mus. Berlin, vol. 19, p. 218, 1983. Seven species. 
Type.—(Apis) Andrena carbonaria (LINNAEUS), 1767. (Original desig- 
nation. ) 
Proposed as a subgenus of Andrena Fabricius. 
Glyptapis CocKERELL [fossil]. 
Schrift. phys.-kon. Ges. Kénigsberg, Jahrg. 50, p. 13, 1909. Four species. 
Type.—Glyptapis mirabilis CocKERELL, 1909. (Original designation.) 
Gnathias ROBERTSON. 
Can. Ent., vol. 35, pp. 173, 174, and 175, 1903. Thirteen species. 
Type.—Nomada bella Cresson, 1863. (Original designation.) 
(Gnathocera PROVANCHER, not Kirpy, 1825)=Sayapis T1rvs. 
Nat. Can., vol. 18, p. 232, 1882. 
Type.—(Gnathocera cephalica PRovANCHER, 1882)—Megachile (Sayapis) 
pugnatus Say, 1887. (Monobasic.) 
Isogenotypic with Sayapis Titus and through synonymy with Ceratias 
Robertson. 
(Gnathodon RosBerTson, not OKEN, 1816, not SoweRBy, 1832, not STREUBEL, 1842, 
not JARDINE, 1845) =Sarogaster ROBERTSON. 
Trans. Amer. Ent. Soc., vol. 29, pp. 168 and 192, 1903. 
Type.—Megachile georgica Cresson, 1878. (Monobasic and original des- 
ignation. ) 
Synonym of Chelostomoides RoBeRTSON, according to Mitchell, Trans. Amer. 
Ent. Soc., vol. 63, p. 396, 1937. 
(Gnathopasites LiInsLEY AND MICHENER) —Neopasites ASHMEAD. 
Trans. Amer. Ent. Soc., vol. 65, p. 272, 1939. 
Type.—Phileremus fulviventris Cresson, 1878. (Monobasic and original 
designation. ) 
Isogenotypie with Neopasites Ashmead. 
Gnathoprosopis PERKINS. 
Ann. Mag. Nat. Hist., ser. 8, vol. 9, p. 104, 1912. Two species. 
Type.—(Prosopis xanthopoda CocKERELL, 1910, not Vachal, 1895) =Prosopis 
euzantha CocKERELL, 1910. (Original designation.) 
