126 



CERCARIA— Continued. 



(larva of Dist. ech. Zed.) (in Plan, corn., Pal. vivip., Lymn. stag.). — Looss, 

 1894a, 252; 1902m, 455.— Mont., 1893, 205.— Moul., 1856a, 67, 68, 77, 90-93, 

 pi. 5, figs. 15-17, 95, 96, 97, 105, 106, 109, 110, 111, 112, 116, 118, 135, 138, 

 184-190 (syns. C. VII. Baer, C. fallax Dies.), pi. 6, fig. 7, 191, 192, 193, 

 203 (in Lymn. stag., Pal. vivip., P. impura; Berlin). — Mueller, 1843, v. 6, 

 57-60 (= C. fallax).— Nord., 1840, 631.— Par. 1894, 162.— Rossbach, 1906, 

 363.— Sons. 1897, 252.— Spengel, 1905, 258.— Steenstrup, 1842, 28-40, 41, 49, 

 51-78, pi. 2.— Tennent, 1906, 661.— La Valette, 1855, 16, pi. 1, figs. C-M.— 

 Wagener, 1857, 39, pi. 36A, fig. 12.— Waldenberg, 1860, 21. 



echinatoides Fil., 1854a, 14-24, 25, 26, 28, pi. 2, figs. 19-25; 1854b, 266-278, pi. 2, 

 figs. 19-25 (in Paludina vivipara, P. achatina; Lake Varese; Lombardy); 

 1855b, 11, 12, 13, 16, 18, 19, 23, 25 (syn. C. echinifera La Valette); 1857c, 4, 16, 

 21.— Baillet, 1866b, 93, 94, 96, 98.— Braun, 1892a, 797.— Dies., 1855a. 377, 

 380, 382, 387, 391-392 to (Hormocercaria); 1858d, 261, 262-263 to (Nephro- 

 cephala) (syns. C. (Hormocerc.) echinatoides Fil.; Cere, echinifera La 

 Valette; Dist. echiniferum Pag.) (adult of Dist. echiniferum La Valette) (in 

 Pal. vivip., P. achatina); 1858e, 346 (C. (Nephrocephala) echinatoides as syn. 

 of Dist. echiniferum).— Ere, 1881e, 25, 26, 28, 29, 31; 1882a, 261, 262, 264, 

 265, 267— Harz, 1881c, 3.— Linst., 1873, 106 (larva of Dist. trigonocephalum 

 Rud.) (in Pal. vivip., P. achatina).— Moul., 1856a, [72], 74, 93-94, pi. 5, bis 

 fig. 1, 97, 105-106, 116, 149, 190, 191-201, pi. 6, fig. 6, 202, 203, 226, 227, 228, 

 229, 234 (syn. C. echinifera La Val.) (in Pal. vivip.; Berlin). 



echinifera La Valette, 1855, 14-16, pi. 1, figs. A-F (in Paludina vivipara). — R. 

 Bl., 1888a, 605.— Braun, 1892a, 772.— Dies., 1858d, 261, 262 (syn. of C. 

 (Nephrocephala) echinatoides Fil.). — Dolley, 1894a, 984 (= echinatoides). — 

 Ere, 1881e, 25 (= echinatoides), 26, 28, 29, 31; 1882a, 261, 262, 264, 265, 

 267.— Fil. 1855b, 25 (syn. of C. echinatoides Fil.); 1857c, 21.— Hahn & 

 Lefevre, 1884a, 516.— Linst., 1873, 106 (larva of Dist. militare Rud.) (in Pal. 

 vivip.).— Moul., 1856a, 105, 109, 110, 191, 192, 200 (syn. of C. echinatoides 

 Fil.).— Pag., 1857, 53.— Will.-Suhm, 1870, 4. 



echinocerca Fil., 1855b, 17-19, 22, 23, 25, pi. 2, figs. 19-20 (in Buccinum linneei; 

 Gulf of Genes); 1857, 433-435, pi. 2, figs. 19-20.— Dies., 1858d, 268 (Histrio- 

 nella echinocerca Dies.).— Mont., 1888, 10, 77; 1888, 195, 198; 1888, 194; 1893, 

 2, 124.— Moul., 1856a, 114-115, 116, 211-212 (in Bucc. linn.; Gulf of Genes).— 

 Villot, 1875, 479 (in Bucc. linn.). 



efemera Ssinitzin, 1905, 158 for ephemera. 



elegans Mueller, in La Valette, 1855, 13, 38, pi. 2, fig. 2, based on Mueller 1850, 

 496, free form.— Braun, 1893a, 831, 832.— Dies., 1858d, 269 (to Histrionella).— 

 Mont., 1888, 194, to (Hist.).— Moul., 1856a, 214.— Pag., 1862, 298.— Villot, 

 1875, 479; 1878, 35. 



ephemera Nitzsch (1807), 33-36; 1817, 29, pi. 1, figs. 1-13 (in Planorbis corneus; 

 Halle); 1827, 67-68 (PI. corn.).— Baillet, 1866b, 95, 96, 98.— Biehringer, 

 1884, 5.— Braun, 1892a, 770, 772; 1893a, 848, 849, 851, 858.— Brett, 1881b, 

 141.— Dies., 1850a, 299 (to Histrionella); 1855a, 392 (to Hist.); 1858d, 244 (of 

 Sieb., syn. of Glenocerc. flava), 267 (of Wagener to Hist.). — Duj., 1845a, 

 478.— Eichwald, 1829a, 247, 248.— Ere, 1881e, 23; 1882a, 259 (of Nitzsch as 

 doubtful syn. of Cere, tripunctata Ere.).— Fil., 1855b, 20, 22, 25 (syn. C. 

 flava LaValette); 1857c, 3 l.—Florance, 1866a, 12.— Hemp. & Ehrenb., 1828a (to 

 Hist.).— Leuck., 1863, 494, 515, 522, 523.— Looss, 1896b, 194, 197.— Moul., 

 1856a, 77, 94-95, pi. 5, bis fig. 3, 116, 204-208, pi. 6, figs. 4, 5 (syns. Hist, 

 ephemera Hemp. & Ehrenb.; C. flava La Val.) (in Plan. corn, by Sieb. and 

 Val.; Paludina impura by Baer; P. vivipara by Nitzsch and Baer).— Nord., 

 1840, 631 (eyes; cf. Hist. Ehrenb.).— Pag., 1857, 24-25, pi. 2, figs. 7-12 (in 

 Plan, corn.).— Sieb., 1835, 70; 1837, 187, 189; 1850, 670; 1854, 14, 18, 19, 25, 

 figs. 1, 4-9, 13, 14.— Sons., 1897, 252.— Ssinitzin, 1905, 158 (efemera).— Steens- 

 strup, 1842, 37, 51-55, 56, 65, 94.— Wagener, 1857, 21. 



ericetorum Linst., 1898, 761-762, fig. 8 (in Xerophilus ericetorum; near Gcettingen, 

 Germany) . 



exfoliata Moul., 1856a, 87, 116, 180-183, pi. 6, figs. 13, 14 [new name for Dist. of 

 Leucochloridiumparadoxum]. — Cobbold, 1879b, 435. — Dies., 1858d, 277 (syn. 

 of Leuc. par. Cams).— Ere, 1881e, 55 (Cere of Leuc. par.); 1882a, 291.— 

 Zeller, 1874. 



exigua Looss, 1896b, 230-232, pi. 16, figs. 181-182 (in Cleopatra bulimoides; Egypt). 



