DETERMINATION OF GENERIC TYPES, ETC. 73 



Roundworm genus. Phononyms. 



Fimbria Cobb, 1894c Fimbriaria Frcelich, 1795, cestode. 



Gcezia Zeder, 1800 Ooesia Boeck, 1871, crustacean ; Gcetia 



Karsch, 1892, insect. 



Microlaimus de Man, 1880 Microlamia Bates, 1874, coleopteron. 



Slreptostoma Leidy, 1849 Streptotoma Guer. , 1862, coleopteron. 



Tribactis Dujardin, 1845 Tribacis Billb., 1820, lepidopteron. 



25. DOUBTFUL HOMONYMS. 



The following generic names mentioned in this paper are very simi- 

 lar to, but not identical with, other generic names. Opinion differs 

 in regard to their validity: 



Roundworm genus. Doubtful homonyms. 



Acanthocheilus Molin, 1858 '. Acanthocheila Stal, 1860, hemipteron. 



Allodapa Diesing, 1861a Allodape Lep., Serv., 1825, hymenopteron. 



Allodapus Fieb., 1861, hymenopteron. 

 Angiostoma Dnjardin, 1845a Angystoma Schumacher, 1817, for 



Angystoma Klein, 1753, mollusk. 



Arhynchus Shipley, 1896 Arrhyncfms Philippi, 1871, insect. 



Asconema Leuckart, 1886 Askonema Kent, 1870, sponge. 



Capillaria Zeder, 1800a Capellaria Gistl., 1848. 



Chromagaster Cobb, 1894c Chromogaftter Lauterborn, 1893, worm. 



Cosmocephalus Molin, 1858 Cosmocephala Stimps., 1857, worm. 



Cosmocerca Diesing, 1861a Cosmocercus Dej . , ? date, coleopteron ; 



Thorns., 1864, coleopteron. 



Cyathostoma E. Blanchard, 1849a Cyathostomum Molin, 1861. 



Dactylius Curling, 1839a Dactylium Megerle, ? date, mollusk. 



Diploodon Molin, 1861 Diplodon Spix, 1827, mollusk; Nitzsch, 



1840, bird. 



Dioplodon Gervais, 1850, mammal. 



Diplodonta Bronn, 1831, mollusk. 



Diplodontus Dug., 1834, arachnoid. 



Dyacanthos Stiebel, 1817 ?ZHacantfmsSiebold, 1817, worm; Latreille, 



1834, coleopteron. 



Diacantha Swainson, 1839, fish; Chevr., 



1834, coleopteron. 

 Enoplus Dujardin, 1845 Enoplosus Lacep., 1802, fish; changed to 



Enoplus Agassiz, 1846. 



Eucoleus Dujardin, 1845 Eucolm Muls. , 1853, coleopteron. 



Globocephalus Molin, 1861 Globicephalus Lesson, 1828, mammal. 



Globiocephalus Gray, 1843, mammal. 



Heligmus Dujardin, 1845 Eligma Huebn., 1816, lepidopteron, 



changed to Heligma. 

 Heterocheilus Diesing, 1839 Heterocheila Rond., 1857, dipteron. 



Heterocheila , ? date, for 



Heterocheila Lioy., 1864, dipteron. 



HeterochelusEnrmeisteT, 1844, coleopteron. 



Heterochilus, ? date, for Heterocheila. 



Heterodera Schmidt, 1871 Heteroderes Latreille, 1834. 



Hoplocephalus Linstow, 1898 Oplocephalus Cuvier, 1829, reptile. 



Hoplocephala Macq., 1845, dipteron. 



Heplacephala Walk., 1857, dipteron. 



