188 BULLETIN 2 00, UNITED STATES NATIONAL MUSEUM 



HOLOSUS Motschulsky— Continued 



Other citations: H. fossuJatus (Motschulsky), by Lucas, 1920, p. 331, not 



originally included. 

 Synonyms: (See also Neolosus) 



OsHOLUs Blackwelder, new name. 

 Variant spellings : 



HoMOsus Wu, 1937, p. 314. 

 HOLOTROCHUS Erichsou, 1839b, p. 30, without species. 

 Genotype : Holotrochus volvulus Erichson. 

 Fixed hy: Duponchel, 1841a, p. 57, by subsequent designation, as "Olotro- 



chus." 

 Later citations : H. volvulus Erichson, by Lucas, 1920, p. 332 ; by Black- 

 welder, 1943, p. 170. 

 Discussion: This name was validated by Erichson in 1839 by inclusion in 

 a key. No species were included until the following year when the sec- 

 ond part of the volume appeared. Duponchel selected one of these, the 

 first species to be Included in the genus. 

 Synonymic homonyms: 



HoLOTROCHtrs Erichson, 1840, p. 757. 

 Variant spellings : 



Olotrochus Duponchel, 1841a, p. 57. 

 HOMAEOCHARA [Error for Eomoeochara]. 

 HOMAEOTARSUS Hochhuth, 1851, p. 34. 



Genotype: Tlomaeotarsiis chaudoiri Hochhuth. 

 Fixed hy : Hochhuth, 1851, p. 34, by monotypy. 



Later citations: H. chaudoiri Hochhuth, by Lacordaire, 1854, p. 90; by 

 Fauvel, 1873b, p. 78 ; by Casey, 1889, p. 182 ; 1905, p. 28 ; by Bierig, 1933, 

 p. 476 ; by Blackwelder, 1939, p. 118 ; 1943, p. 325. 

 Synonyms : 



Spikosoma Motschulsky, 1857c, p. 206. 

 Hespeeobium Casey, 1886a, p. 33. [Subgenus.] 

 EucRYPTiNA Casey, 1905, p. 28. [Subgenus.] 

 Gastrolobium Casey, 1905, p. 31. [Subgenus.] 

 HoMOEOBiUM Blackwelder, 1939, p. 96. [Subgenus.] 

 Nemoeotus Blackwelder, 1939, p. 96. [Subgenus.] 

 Variant spellings : 



Homoeotarsus Peyron, 1858, p. 428.*" 

 Notes : The present disposition of this name is based on the study by Black- 

 welder (1939). 

 HOMAEUSA [Error for Homoeusa], 

 HOMALATA [Error for Eomalota]. 

 HOMALEUM [Error for Omalium]. 



HOJVIALIUM L.iungh, 1804, p. 74. [Emendation of Omalium.] 

 Genotype: Homalium rivulare (Paykull) {Staphylinus) . 

 Fixed by: Latreille, 1810, p. 427, by designation for Omalium, of which Ho- 

 malium is an objective synonym. 

 Synonyms: (See Omalium). 

 HOMALIUM Agassiz, 1846, p. 258. [Emendation of Omalium.} 

 Genotype: Homalium rivulare (Paykull) (Staphylinus). 

 Fixed by : Agassiz, 1846, p. 258, through objective synonymy with Omalium, 



of which rivulare had already been fixed as genotype. 

 Synonyms: (See Omalium). 



" Ann. Soc. Ent. France, ser. 3, vol. 6. 



