590 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
Presbia SPINOLA. 
Historia fisica y politica de Chile . . . por Claudio Gay, Zool., vol. 6, p. 209, 
1851. 
Type.—Halictus gayatinus Sprnota, 1851. (Monobasic.) 
Pressibombus Frison. 
Rec. Indian Mus., vol. 37, p. 842, 1935. 
Type.—Bremus (Pressibombus) pressus Frison, 1935. (Monobasie and orig- 
inal designation. ) 
Proposed as a subgenus of Bremus Jurine. 
Proanthidium FRIESE. 
Die Bienen Europas, vol. 4, p. 101, 1898. Many species. 
Type.—Anthidium oblongatum LarreEILLe, 1809. (By designation of Cock- 
erell, Ent. Rec., vol. 21, p. 269, 1909.) 
Proposed as a subgenus of Anthidium Fabricius. 
Prochelostoma ROBERTSON. 
Trans. Amer. Ent. Soc., vol. 29, pp. 167 and 171, 1908. 
Type.—Heriades philadelphi Rosrrrson, 1891. (Monobasic and original 
designation.) 
Prodioxys FRIxEsE. 
Stettin. Ent. Zeit., vol. 75, p. 221, 1914. 
Type.—Prodioxys cinnabarina FRigsE, 1914. (Monobasic. ) 
(Prosapis ASHMEAD) for Prosopis FABRICIUS. 
Psyche, vol. 7, p. 48, 1894. 
Prosopalictus STRAND. 
Suppl. Ent., No. 2, p. 26, 1918. 
Type.—Prosopalictus micans STraNp, 1918. (Monobasic.) 
(Prosopis JURINE) =Prosopis Fasrictrus, 1804. 
Erlangen Litteratur-Zeitung, vol. 1, p. 164, 1801. Four species. 
Type.—(Sphex signata PANzErR, 1798) =Mellinus bipunctatus Fasricrus, 1798. 
(By designation of Morice and Durrant, Trans. Ent. Soc. London, p. 416, 
1915.) 
Isogenotypic with Prosopis Fabricius and Auricularia Popov. 
Suppressed through rejection of the “Erlangen List” (Opinion 135). 
Prosopis Fapricius (—Prosopis JuRINE, 1801; Prosopis JurINE, 1807; Auricu- 
laria Popov, 1939, not BLAINVILLE, 1816, not DeFRANcE, 1816, not Fagpricrus, 
18238, not Mijtimr, 1850). ; 
Systema Piezatorum, p. 293, 1804. Fourteen species. 
Type—(Sphewm signata Panzer, 1798)=Mellinus bipunctatus Fasricius, 
1798. (By designation of Morice and Durrant, Trans. Ent. Soe. London, 
p. 416, 1914.) 
Isogenotypic with Prosopis Jurine, 1807, and through synonymy with 
Auricularia Popov. 
Prosopis Fabricius has been validated through suppression of the “Erlangen 
List” (Opinion 135) which included Prosopis Jurine, 1801. 
Synonym of Hylaeus Fabricius, according to Morice and Durrant. 
A proposal has been placed before the International Commission to add 
Prosopis Jurine, 1807, Nouvelle méthode de classer les hyménoptéres et les 
diptéres, with “Sphegx signator Panzer, 1798” as genotype to the Official 
List of Generic Names. (See Science, vol. 88, p. 552, 1936.) This would 
result in the suppression of Hylaeus Fabricius and Prosopis Fabricius, 
1804. 
