DETERMINATION OF GENERIC TYPES, ETC. 71 



Roundworm genus. Preoccupied as follows. 



Rhytis Mayer, 1835 Zeder, 1803, worm. 



Spilophora Bastian, 1865 Bohem. , 1850, coleopteron. 



Spinifer Linstow, 1901 Rafinesque, 1831, mollusk. 



Spira Bastian, 1865 Brown, 1838, mollusk. 



Spirura Diesing, 1861 E. Bknchard, 1849, nematode. 



fStenodes Dujardin, 1845 l Guen., 1845, 1 lepidopteron. 



Trichina Owen, 1835 Meig. , 1830, dipteron. 



Trichoderma Greef, 1869 Steph., 1835. coleopteron; Swains., 1839, 



fish. 



Trichodes Linstow, 1874. Herbst, 1792, coleopteron. 



Triodontus Looss, 1900 Westwood, 1845, coleopteron. 



Tropidurus Wiegmann, 1835 Neuwied, 1824, reptile. 



Tropisnrus Diesing, 1835 Neuwied, 1824, lizard. 



Roundworm generic names which absolutely preoccupy other names. 



Absolutely preoccupies the identical name 

 Roundworm genus. proposed by. 



Acanthocephalus Koelreuter, 1771 Lap., 1833, hemipteron. 



Allodupa Diesing, 1861 Brunn, 1878, orthopteron. 



Anguillula Mueller, 1786 Hemprich & Ehrenberg, 1828, nematode. 



Autoplectus Balsamo-Crivelli, 1843 Raff ray, 1883, insect. 



Capttlaria Zeder, 1800 Haworth, 1828, lepidopteron. 



Capsularia Zeder, 1800 Oken, 1815, coleopteron. 



Crino Lamarck, 1801 Huebn. , 1816, lepidopteron; Gistl., 1848, 



mollusk. 



Dicelis Dujardin, 1845 Stimps. , 1857, worm. 



THplogaster Max Schultze, 1857 Bigot, 1886, insect. 



Echinocephalus Molin, 1858 Schneider, 1875, protozoon. 



Elaphocephalm Molin, 1860 Macleay, 1878, reptile. 



Enoplus Dujardin, 1845 Reiche, 1859, coleopteron; Agassiz, 1846, 



fish. 



Fimbria Cobb, 1894 Belon, 1896, insect. 



Furia Linnseus, 1758 Cuvier, 1828, mammal. 



Heligmus Dujardin, 1845 Cand., 1864, coleopteron. 



Laphyctes Dujardin, 1845 Reichenbach, 1850, bird; Stal, 1853, he- 

 mipteron; Fcerst., 1878, hymenopteron. 



Liniscus Dujardin, 1845 Lefevre, 1885, insect; Haeckel, 1880, coe- 



lenterate. 



Lobocephalus Diesing, 1838 Kramer, 1898, arachnoid. 



Paragordius Camerano, 1897 equals Paragordius Montgomery, 1898. 



Pharyngodon Diesing, 1861 Cope, 1865, reptile. 



Plectus Bastian, 1865 Scudder, 1882 [possibly earlier], coleop- 

 teron, for Plectris, 1825. 



?Pro6oscidea"Bruguiere,1791" [seep.131]. Les., 18 , worm; Spix, 1823, mammal; 



Schmidt, 1832, mollusk; Trosch., 1848, 

 mollusk. 



Rhabdonema Leuckart, 1883 Perroncito, 1886, nematode. 



Spirura E. Blanchard, 1849 Diesing, 1861, nematode. 



Strongylus Mueller, "1780," 1784 Strongylus Herbst, 1792, coleopteron; 



Strongylus, ? date, for Stroggulus; 

 Motsch, 1845, coleopteron. 



Tetrameres Creplin, 1846 1 Schaufuss, 1877, coleopteron. 



We have not determined the relative date of these two publications. 



