Systematik. 315 
Gudeella u. 8. Zonitid. (= Thuapstiella Gude non Fischer) (Genotype: 
G. masukuensis Smith). Preston, Proc. Malac. Soc. London vol. 10, 
p- 285 (Uganda); @. vernhouti n. sp. p. 285 (Britisch-Ostafr.). 
Helicarion caroli n. sp. Kobelt, Rev. Suisse Zool. vol. 21, p. 57 sq. (Deutsch 
Ostafrika). 
Hyalinia [einige Autoren schreiben Hyalına]. Die Spp. H. retteri, H. 
maureri u. H. karnakowi gehören zu Macrochlamys. Lindholm, Ann. 
Mus. zool. Acad. Sci., vol. 18, p. 151-152. — H. angulata Westld. 
in Dänemark. Steenberg p. 169. — H. helvetica Blum. Farbenmutation. 
Oldham (2). — A. nitens Mich. bei Kufstein; Neigung zu var. beryllus 
West. Sehröder (2) p. 46. — H. nitidula Drap. Geyer p. 285. — H. 
rumelica n. sp. (steht zw. H. ceclaria Müll. u. Draparnaldi Beck). Hesse 
p- 12 (Philippopel). — H. camelina var. thracica n. (Basalrand für eine 
H. auffallend dick. Nahe Verwandte wohl die sagenhafte Helix fri- 
valdskyana Rssm.). Hesse p. 2 (im Genist der Maritza). 
Iredaleoconcha n. 8. (,‚Shell helieif., depressed, corneous, imperforate widely 
grooved suture, which is continued on the last whorl as a supraperi- 
pheral channel‘. Auf den ersten Blick fast identisch mit Diepen- 
heimia von Obi Isl., Duteh East Ind., diese ist aber ‚„perforate‘). 
Preston, Ann. Nat. Hist. (8), vol. 12, p. 530, I. inopina n. sp. p. 530 
—531 (Kalksteinbruch, Norfolk Isl., auch auf Mount Pitt); 7. calo- 
raphe n. sp. p. 531 (Duncombe Bay, Norfolk Isl.). 
Irenella n. g. Zonitid. (Genotype: Helix nouleti Le Guillou). Gude, Proc. 
Malac. Soc. London, vol. 10, p. 326. 
Johannesoconcha n. g&. (Shell minute, vitreous, turbinate, multispiral, 
umbilicate). Preston, Ann. Nat. Hist. (8) vol. 12, p. 532; J. multivolva 
n. sp. p. 532—533 (Norfolk Isl., unter abgestorbenen Blättern), J. 
pusillior n. sp. p. 533 (Norfolk Isl.); J. minuscula n. sp. p. 533 (Kalk- 
steinbruch, Südostküste v. Norfolk Isl., subfossil). 
Kieconcha n. g. (Genotype: Helix kermadeci Pfr.). Iredale, Proc. Malac. 
Soc. London, vol. 10, p. 373 — 374. 
Liardetia un. g. Zonitid. (?) (Genotype: Nanina clayi Liardet). Gude, 
t. ec. p. 326. 
Macgillivrayella n. g. Zonitid. (Shell depressedly turbinate, small, vitreous, 
somewhat broadely perforate). Preston, Ann. Nat. Hist. (8) vol. 12 
p- 532; M. cerystallina n. sp. p. 532 (Norfolk Isl.). 
Mathewsoconcha n. g. (Shell imperforate, helieiform, depressedly turbinate. 
spirally striately sculptured, with thickened and inwardly bulging 
columella). Preston, t. ec. p. 528, M. belli n. sp. p. 528 (Mount Pitt, 
Norfolk Isl.); M. albocincta n. sp. p. 528—529 (Norfolk Isl. subfossil 
im Sande beim Kalksteinbruch an der Südostseite); M. vexillum 
n. sp. p. 529 (Kalksteinbruch, Norfolk Isl., nur subfossil). 
Nitor retinatulum n. sp. Preston, t. c. p. 532 (Ball’s Bay, Norfolk Isl.). 
Pittoconcha n. g. Zonitid. (Shell imperforate, corneous, turbinate, swollen, 
peripherally carinate, spirally striate, transversely costulate). Preston, 
t. e., p. 531; P. coneinna n. sp. p. 531—532 (Mont Pitt, Norfolk Isl.). 
Quintalia n. 8. Zonitid. (Shell imperforate, turbinately conie, minutely 
spirally striate, angled at the periphery). Preston, t. c.. p. 527. (Geno- 
11. Heft 
