288 



HIRUDO Linn., 1758a, 644, 649 (type by Linnsean rule, medicinalis). — Several 

 species of this genus have been placed in the trematodes; the genus is now 

 confined to the leeches. — Dies., 1850a, 318 (of Braun, syn. of ?Diplodiscus), 

 425 (of Abildg., syn. of Nitzschia Baer), 426 (of Mueller, syn. of Phylline 

 Oken), 427 (of Kroyer, syn. of Uclonella Johnston), 433 (of Braun, syn. of 

 Astacobdella Vallot), 439 (of Linn., syn. of Ichthiobdella Blainv.), 445 

 (of Mueller, syn. of Malacobdella Blainv.), 446 (of Mueller, syn. of Clepsine 

 Savigny), 456 (auct., syn. of Nephelis Savigny), 461 (auct., syn. Aulost. 

 Moquin-Tandon), 462 (auct., syn. of Hsemopis Savigny et Moquin-Tandon), 

 465-471 (of Rai et Linn., syns. of Sanguisuga Savigny; Iatrobdella Blainv.), 

 567 (of La Martiniere, syn. of Tetrarhynchus Rud.), 583 (of Linne, syn. of 

 Schistocephalus Crep.). 



fasciolaris Mueller, 1788b, pi. 54, figs. 1-3 (is included in Fasc. anatis Gmelin, 

 1790a, 3055.)— Dies., 1850a, 335 (syn. of Dist. ovatum Rud.). 



grossa Mueller, 1788, 21-22, pi. 21.— Bruguiere, 1791a, pi. 52, figs. 6-8.— Dies., 

 1850a, 445 (to Malacobdella).— Gmelin, 1790a, 3098. 



hippoglossi Mueller, 1776a, 220 (t. h. Hippoglossus; Denmark); 1788a, 18, pi. 54, 

 figs. 1-4.— Baer, 1827b, 676, pi. 32, figs. 5-6.— Dies., 1850a, 426 (to Phylline).— 

 Fabricius, 1780a, 322, pi. 1, fig. 8.— Gmelin, 1790a, 3098.— Leuck ; , 1842a, 

 11.— Oken, 1815 (to Phylline). 



sturionis Abildg., 1794b, 55-56, pi. 6, fig. 1, a-c (in Storen). — Cuvier, — — , 



(to Trist.). — Dies., 1850a, 426 (syn. of Nitzschia elegans Baer). — Gmelin. 



tuba Braun, 1805, 49, pi. 5, figs. 5-8 (see Rud., 1809a, 348 =Amphist. subclava- 

 tum). — Dies., 1850a, 318 (syn. of Diplodiscus subclavatus Dies.). 

 HISTRIOBDELLA Ben., 1858i, 2 pis. 



HISTRIONELLA Bory de St. Vincent, 1823b, 356; 1825b, 252-253.— Braun, 1893a, 

 884.— Burm., 1856a, 250.— Dadai, 1888f, 84, 85; 1888g, 107.— Dies., 1850a, 

 286, 294 (of Bory syn. of Malleolus Ehrenberg), 299-300 (of Bory & Ehrenberg, 

 includes Cere. Nitzsch, Brachionus Schrank); 1855a, 378 (eyes), 392, 393 

 (syn. Brachionus Schrank); 1858d, 267.— Golclb., 1855, 16.— Moul., 1856a, 

 121, 124.— Nord., 1840, 617, 631.— Pag., 1857, 5, 24.-Wagener, 1857, 24. 



■ Hemprich & Ehrenberg, 1828a, Entozoa, not paged, n. g. of Cercozoorum, 



type evidently ephemera; includes also alata. 

 alata Hemprich & Ehrenberg, 1828a (in water at Berlin, Germany) . — Dies., 1850a, 

 300 (sp. inq.); 1855a, 392-393 (Hab . primitivum ignotum) ; 1858d, 268 (free; 

 Berlin). 



annulicauda Bory, 1825b, 253. — Dies., 1850a, 299 (syn. of Histrionella lemna 

 Ehrenb.). 



bilincata (Haldemann, 1840) Dies., 1850a, 300 (in Limnseus catascopium; Penn.); 



1855a, 393 (in Lymnaeus cat.); 1858d, 269 (in Lymn. cat.; Penn.). 

 echinocerca (Fil., 1857) Mont., 1888, 193, 194.— Dadai, 1888f, 85; 1888g, 108.— 



Dies., 1858d, 267-268 (larva of Dist. appendiculatum Rud.) (in Buccinum 



linnsei; Genoa). 



elegans (Mueller, 1855) Dies., 1858d, 269 (syn. Cere, elegans Mueller in Valette, 

 1855) (free).— Dadai, 1888f, 85, 86; 1888g, 108, 109.— Mont., 1888, 193, 194. 



ephemera (?Nitzsch, 1807) Hemprich & Ehrenberg, 1828a, pi. 6, fig. 3.— Dies , 

 1850a, 299 (includes Cere. V. Baer, 1827, 625, pi. 31) (in Paludina vivipaia; 

 Regiomontii; Planorbis corneus; April, Halle, Berlin); 1855a, 392 (in PI. 

 corn., Pal. vivip.); 1858d, 244 (of Sieb. syn. of Glenocerc. flava Dies.), 267 

 (syn. of Cere, ephemera Wagener) (of Ehrenberg larva of Dist. trigonoce- 

 phalum Rud.) (in PI. corn., Pal. vivip.).— Moul., 1856a, 204 (to Cere.).— 

 Sieb., 1843. 



fissa Bory de St. Vincent, 1824, 456; 1825b, 252 [see Lamouroux, 1824a].— Dies., 

 1850a, 295 (syn. of Malleolus fureatus). — Moul., 1856a, 168 (is not syn. of Cere, 

 furcata). 



inquieta (Mueller, 1786) [Bory de St. Vincent, 1825b, 253 (Histrionelle inquiete)]. — 

 Dies., 1850a, 300 (sp. inq.) (in aqua marina); 1855a, 393 (Hab. primitivum 

 ignotum); 1858d, 268-269 (free, Hafnise).— Pag., 1862, 298. 



lemna (Mueller, 1773) Hemprich & Ehrenberg, 1828.— Dies., 1850a, 299-300 

 (includes: Brachionus proteus Schrank, Cere, major Nitzsch, Histr. annuli- 

 cauda Bory) (in Lymnreus stagnalis, Planorbis carinatus, P. corneus); 1855a, 

 392 (in Lymn. stag, et PL corn.); 1858d, 268 (in PL carinatus, P. corn., 

 Lymn. stag.). 



