536 PROCEEDINGS OF THE NATIONAL MUSEUM yor. 92 
(Ceratina LATREILLE) =Clavicera LATREILLE. 
Histoire naturelle . . . des crustacés et des insectes, vol. 3, p. 380, 1802. 
Type.—(Hylaeus albilabris Fasricrus, 1793) =Apis cucurbitina Rossi, 1792. 
(Autobasic. ) 
Proposed for Clavicera Latreille, which he considered to be incorrectly formed. 
Richards, The generic names of British insects, pt. 5, p. 91, 1937, has pro- 
posed that Ceratina Latreille (type Hylaeus albilabris Fabricius, 1793= 
Apis cucurbitina Rossi, 1792) be added to the Official List of Generic 
Names. 
Ceratinidia COCKERELL AND PORTER. 
Ann. Mag. Nat. Hist., ser. 7, vol. 4, p. 406, 1899. 
Type.—Ceratina hieroglyphica F. SmirH, 1854. (Monobasic and original 
designation. ) 
Proposed as a subgenus of Ceratina Latreille. 
(Ceratosmia THOMSON)=Osmia PANZER. 
Hymenoptera Seandinaviae, vol. 2, pp. 232 and 235, 1872. No species. 
Schmiedeknecht, Apidae Europaeae, vol. 2, p. 19 [885], 1884-6 [1885]. Four 
species. 
Type—(Apis bicornis LINNAEUS, 1758)=Apis rufa LINNAEUS, 1758. (By 
designation of Sandhouse, Mem. Ent. Soc. Washington, No. 1, p. 9, 1939.) 
Proposed as a subgenus of Osmia Panzer. 
Isogenotypie with Osmia Panzer, Amblys Klug, and through synonymy with 
Pachyosmia Ducke. 
(Cerianthidium FRrirsE) =Anthidiellum CocKERELL. 
Die europiiischen Bienen (Apidae), Lief. 3, p. 804, 1923. Two species. 
Type.—(Trachusa) Anthidium strigatum (Panzer), 1804. (By designation 
of Cockerell, Proc. California Acad. Sci., ser. 4, vol. 14, p. 861, 1925.) 
Isogenotypic with Anthidiellum Cockerell. 
Ceylalictus STRAND. 
Arch. Naturg., vol. 79, Abt. A, Heft 2, p. 187, 1913. 
Type.—Halictus horni Strand, 1918. (Monobasic.) 
(Ceylonicola FRIESE) =Sudila CAMERON. 
Zool. Jahrb., Abt. Syst., Jena, vol. 41, p. 501, 1918. Three species. 
Type.—(Ceylonicola atra Friese, 1918)=Sudila bidentata Cameron, 1898. 
(Present designation. ) 
Isogenotypic with Sudila Cameron through synonymy. 
(Chacoana HoLtmMBerRG) —Caenonomada ASHMEAD. 
Bol. Acad. Nae. Ciene. Cérdoba, vol. 10, p. 225, 1887. Nomen nudum. 
Anal. Mus. Nac. Buenos Aires, ser. 3, vol. 2, p. 482, 1903. 
Type.—(Chacoana melanowantha HotmpBere, 1903) =Caenonomada bruneri 
Ashmead, 1899. (Monobasic.) 
Isogenotypic with Caenonomada Ashmead through synonymy, according to 
Bréthes, Anal. Mus. Nae. Buenos Aires, vol. 19 (ser. 3, vol. 12), p. 223, 
1909. 
Synonym of Epicharis Klug, according to Friese, Deutsche Ent. Zeitschr., 
1909, Beiheft, p. 128, 1909. 
Chalcobombus CocKERELL [fossil]. 
Schrift. phys.-dkon. Ges. Kénigsberg, Jahrg. 50, pp. 7 and 11, 19809. Two 
species. 
Type.—Chalcobombus humilis CocKERELL, 1909. (Original designation. ) 
