184 
■ 
CERCARIA — Continued. 
virgula (Fil., 1837) Dies., 1850a, 296; 1855a, 386, to (Eucerc.); 1858d, 260, to (Acan- 
thocephala) (syn. C. (^•Eucerc.) virg. Dies.) (lan'a of Dist. maculosuni Rud.) 
(in Valvata piscinalis, Paludina impura). — Biehringer, 1884, 15, 18.---Braun, 
1892a, 749, 809; 1893a, 859.— Fil., 18o5b, 5, 10, 19, 22, 23, pi. 1, figs. 5-10 
(=Dist. virg.) (in Pal. imp.; Pavia. Moncalier); 1856b. 85; 1857c, 6-7, pi. 1, 
figs. 9, 10 (in Pal. imn.b — Florance, 1866a. 8. — Harz. 1881c. 4. 7, 8. — Leuck., 
1863, 504, 505, 506, fig. 173.— Linst., 1901, 197.— Looss, 1894a, 40.— Moiil., 
1856a, 51, 82, 99, 104, 161-163 (in Pal. imp.; PaviaAIoncalier). — Par., 1894, 163. 
viridis Mueller, 1786, 126-127, pi. 19, figs. 6-13 (in aquis fossarum stagnantibus 
primo vere). — Bory, 1825a, 84. — Bose 1802a, v. 3, 226. — Bruguiere, 1792a, 
456., 460-461. — Xitzsch, 1827, 68, to Enchelys. — Sclirank, 1803, 80-83. 
ritrina Linst., 1887, 105-106, pi. 2, figs. 8, 17c (in Zebrina detrita; Fi-auenberg b. 
Sondershausen). — Braun, 1893a, 831. 
vittelliloha (Olss., 1876) Ssinitzin, 1906, 683, to (Gorgodera). 
mtax Sons., 1892, Oct. 7, 137-138, pi. 18, fig. 3 (in Cleopatra bulimoides; Cairo, 
Egypt). — Braun, 1893b, 183 (in Cl. buL). — Looss, 1896b, 210-223, pi. 15, 
figs. 162-177 (in Cl. bul.; Eg\*pt, Tunis; Melanopsis praemoi-sa). — Rossbach, 
1906, 370. 
CERCARITi, plm’al of Cercaria. 
gorgoderse cygnoidis Zeder, 1800, of Kowal., 1904(9), 24 (in Cyclas cornea; Dul;- 
lany). 
CERCARIdSA Xitzscli, see Dies., 1850a, 286, 292; 1855a, 383^00; 1858d, 241-243.— 
Goldb., 1855a, 15. — Mont., 1888, 83. 
CERCARI^EL'M Dies., 1855a, 397M00 (collective group and not as true generic name, 
for little known and doubtful forms of Cercarisea Xitzscli). — Bettend., 1897a, 
4, 5, 7, 9, 12, 23, 30, 32, 33, 37, 39, 41, 42, 43, pi. 1, figs. 1, 2, 3, 5, 7, pi. 2, figs. 
11, 15, 16, 17, pi. 3, figs. 18, 19, 20, 21, 22, 23, pi. 4, figs. 24, 25, 30, pi. 5, figs. 
31, 32; 1897, 309, 311, 313, 316, 327, 334, 336, 337, 343, 345, 346, pi. 28, figs. 
1-3, 5, 7, pi. 29, figs. 11, 15-17, pi. 30, figs. 18-23, pi. 31, figs. 24, 25, 30, pi. 32, 
figs. 31, 32 (in Helix hortensis). — Blochmann, 1892b, 649-652 (in Helix liorten- 
sis). — Blochmann & Bettend., 1895a, 218, 219, figs. 4, 5 (in Helix hortensis). — 
Brand., 1898a, 214 (22).— Braun, 1893a, 830, 857.— Darr, 1902, 694.— Kowal., 
1898h, 158 (55). — Looss, 1894a, 236. — Sons., 1897, 252 (Cercaryseum). 
1897: Cercaryaeum Sons._, 1897, 252, for Cercariaeum. 
ancyli lacustris Dies., 1855a, 400, based on Baer, 1827b, 656, in Ancvlus lacustris; 
1858d, 282. 
coni mediterranei (Fil., 1857c) Dies., 1858d, 282-283. 
coregoni ferse Chavannes, , 62, see Dies., 1858d, 283. — Linst., 1879a, 266 (in Core- 
gonus fera Jur.). 
cycladis rivicolse (Dies., 1850) Dies., 1855a, 400 (in Cvclas rivicola); 1858d, 282. — 
Braun, 1893a, 830. 
echinatum (Fib, 1837a) Dies., 1858d, 280 (s>m. Heterost. ech. Dies.) (in Paludina 
impura; Ticinum). 
erythrops Dies., 1855a, 400 (based on Cere, paludinae impurae Baer, 1827b) 
(Regiomontii); 1858d, 270 (to Histrionellina). 
flavescens (Pag., 1857) Dies., 1858d, 278 (in Biilimus radiatus; Heidelberg). 
helicis Meckel [? see helicis pematiss]. — Praim, 1891d, 424 (in Helix nemoralis; 
H. strigella); 1893a, 829, 856. — Hofmann, 1899a, 174, 175, 177, 178-185, 188, 193, 
201, pi. 11, figs. 1, 3, 4, pi. 12, figs. 3, 4 (becomes mature in Erinaceus europaeus 
to Dist. leptosomum. svn. D. caudatum). — Roewer, 1906, v. 41, 185-228, figs. 1, 
2, 3, pi. 14, figs. 1-7, pi. 15, figs. 8-22; 1906, 5 Oct., 616-617; 1906, 9 Oct., 
596-599; 1906, 15 Xov., 340-341.— Ziegler, 1905, 37. 
helicis alternatse Dies., 1855a, 398 (=Dist. helicis Leidy, renamed) (in Helix alter- 
nata; Philadelphia); 1858d, 278 (syn. of C. vagans). — Leidy, 1857, 44. 
helicis aspersse Dies., 1855a, 398 (for helicis asperae Dies., 1850a, 302, based on Duj., 
1845a, 472); 1858d, 277 (syn. Cere. h. a. Moulinie) (in Helix aspersa; Rennes). 
helicis pomatise (Dies., 1850) Dies., 1855a, 398; 1858d, 278 (syn. Cercaria sagittif era 
Sieboldj (in Helix pomatia). 
limacis (Dies., 1850) Dies., 1855a, 397 ; 1858d, 277 (in Limax agrestis, L. cinereus, L. 
rufus; Rhedoni). — Braun, 1893a, 831. — Jackson, 1888, 651. 
