134 



CERCARIA— Continued. 



virgula (Fil., 1837) Dies., 1850a, 296; 1855a, 386, to (Eucerc); 1858d, 260, to (Acan- 

 thocephala) (syn. C. (Eucerc.) virg. Dies.) (larva of Dist. maculosum Rud.) 

 (in Valvata piscinalis, Paludina impura). — Biehringer, 1884, 15, 18. — Braun, 

 1892a, 749, 809; 1893a, 859.— Fil., 1855b, 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.V— Florance, 1866a, 8.— Harz, 1881c. 4, 7, 8.— Leuck., ' 

 1863, 504, 505, 506, fig. 173.— Linst., 1901, 197.— Looss, 1894a, 40.— Moul., 

 1856a, 51, 82, 99, 104, 161-163 (in Pal. imp. ; Pavia Moncalier).— Par., 1894, 163. 



viridis Mueller, 1786, 126-127, pi. 19, figs. 6-13 (in aquis fossarum stagnantibus 

 primo vere).— Bory, 1825a, 84.— Bosc 1802a, v. 3, 226.— Bruguiere, 1792a, 

 456., 460-461.— Nitzsch, 1827, 68, to Enchelys.— Schrank, 1803, 80-83. 



vitrina Linst., 1887, 105-106, pi. 2, figs. 8, 17c (in Zebrina detrita; Frauenbergb. 

 Sondershausen). — Braun, 1893a, 831. 



vittelliloba (Olss., 1876) Ssinitzin, 1906, 683, to (Gorgodera). 



vivax Sons., 1892, Oct. 7, 137-138, pi. 18, fig. 3 (in Cleopatra bulimoides; Cairo, 

 Egypt)-— Braun, 1893b, 183 (in CI. bul.).— Looss, 1896b, 210-223, pi. 15, 

 figs. 162-177 (in CI. bul.; Egypt, Tunis; Melanopsis prsemorsa). — Rossbaeh, 

 1906, 370. 

 CERCARIA, plural of Cercaria. 



gorgoderse cygnoidis Zeder, 1800, of Kowal., 1904 (9), 24 (in Cyclas cornea; Dub- 

 lany). 



CERCARIiEA Nitzsch, see Dies., 1850a, 286, 292; 1855a, 383-400; 1858d, 241-243.— 

 Goldb., 1855a, 15.— Mont., 1888, 83. 



CERCARLEUM Dies., 1855a, 397-400 (collective group and not as true generic name, 

 for little known and doubtful forms of Cerearisea Nitzsch). — 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 horten- 

 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: Cercaryseum Sons., 1897, 252, for Cercariseum. 

 ancyli lacustris Dies., 1855a, 400, based on Baer, 1827b, 656, in Ancylus lacustris; 

 1858d, 282. 



coni mcditerranei (Fil., 1857c) Dies., 1858d, 282-283. 



coregoni ferae Chavannes, , 62, see Dies., 1858d, 283. — Linst., 1879a, 266 (in Core- 



gonus fera Jur.). 



cycladis rivicolse (Dies., 1850) Dies., 1855a, 400 (in Cyclas rivicola); 1858d, 282. — 

 Braun, 1893a, 830. 



echinatum (Fil., 1837a) Dies., 1858d, 280 (syn. Heterost. ech. Dies.) (in Paludina 

 impura; Ticinum). 



erythrops Dies., 1855a, 400 (based on Cere, paludinse impurae Baer, 1827b) 



(Regiomontii); 1858d, 270 (to Histrionellina). 

 fiavescens (Pag., 1857) Dies., 1858d, 278 (in Bulimus radiatus; Heidelberg). 

 helicis Meckel f? see helicis vernalise]. — Braun, 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, syn. 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 Nov., 340-341.— Ziegler, 1905, 37. 

 helicis alternatx 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 asperse Dies., 1850a, 302, based on Duj., 



1845a, 472); 1858d, 277 (syn. Cere. h. a. Moulinie) (in Helix aspersa; Rennes). 

 helicis pomatix (Dies., 1850) Dies., 1855a, 398; 1858d, 278 (syn. Cercaria sagittifera 



Siebold) (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. 



