GASTROPODA (pulmonata). Moll . 89 
Physopsis nasuta, sp. n., Martens, SB. nat. Fr. 1879, p. 102, Bagamoyo. 
Planorhis cornms (L.) var., marginatuB (Dr.) var., auhangulatus (Phil.), 
atticus (Bourg.), grcecus (Cless.), boissii (Mich.), pceteli (Jick.), and 
alexandrinus (Ehrenb.) ; Kobelt, Iconogr. vii. pi. cxc. figs. 1926-1936. 
Planorhis gredleri (Bielz), Tirol, distinct from rossmoessleri (Anersw.) : 
Gredler, Ber. Ver. Innsbr. vii. (2) p. 31. P. clessini (Westerl. 1873) = 
nitidiiSf var. distinguendus (Gredler, 1859) ; id. ibid. 
Planorhis subangulatus (Phil.) = orientalis (01.) = grcecus (Oless.), 
Westerlund, Faun. Mai. Grece, pp. 127 & 128, Attica and Euboea. 
Planorhis atticus (Roth.), var. n. arethuscc, Clessin, Mai. Bl. (2) i. p. 5, 
pi. i. fig. 3, Euboea. 
Planorhis nitidellus (Martens) ; Kobelt, Faun. Jap. p. 108, pi. ix. fig. 16> 
Japan. 
Planorhis choanomp)halus, sp. n.. Martens, SB. nat. Fr. 1879, p. 103, 
Victoria Lake. 
Planorhis trivialis and crassilahrum (Morel.), note on specimens from 
Anjoanna Island ; Morelet, J. de Conch, xxviii. pp. 311 & 312. 
Planorhis tasmanicus.^ sp. n., J. E. T. Woods, P. R. Soc. Tasm. 1875 
[1876], p. 79, Tasmania; = meridionaliSy Brazier, id. op. cit. 1878 [1879], 
p. 72. 
Planorhis atkinsoni and scottiana [-wits], spp. nn., R. M. Johnston, op. 
cit. 1878 [1879], p. 26, Tasmania. 
Planorhis ancylostoinus, Vera Cruz, helizensisy Belize, sumichrasti, 
Tehuantepec, and yzahalensis, Prov. Tabasco and Guatemala ; Crosse & 
Fischer, J. de Conch, xxvii. pp. 341-343. 
Planorhis {Taphius) pedrinus and (Gyraulus) hcetzkesi, spp. nn.. Miller, 
Mai. Bl. (2) i. p. 148, Chillo, Rio S. Pedro, Ecuador. 
Ancylus haconi (Bourg.) ; Kobelt, Faun. Jap. p. 108, pi. ix. fig. 17, 
J apan. 
Ancylus tasmanicus., sp. n., J. E. T. Woods, P. R.Soc. Tasm. 1875 [1876], 
p. 70, and Petterd, J. of Conch, ii. p. 83, Tasmania. 
Ancylus woodsi, sp. n., R. M. Johnston, op. cit. 1878 [1879], p. 25, with 
3 varr., Tasmania. 
Gundlachia petterdi, sp. n., id. 1. c . p. 23, Launceston ; J. of Conch, ii. 
p. 84, 137, & 181 [Latia ?]. 
Thalassophila. 
Amphihola anatomically described by F. W. Hutton, Ann. N. H. 
iii. pp. 181-186, pi. xxii. Pulmonary cavity completely closed in front, 
opening on the right side close to the anus ; a large pectinate renal organ 
lying transversely on its roof ; ventricle of the heart posterior to the 
auricle [as in the Prosohranchiata']. Radula with blunt median tooth, 
bilobed at the base, and on each side about fourteen simple strong curved 
lateral teeth \_cf. Zool. Rec. xv. Moll. p. 77]. Stomach complicated, con- 
sisting of two pouches, the posterior the longer, and a globular muscular 
gizzard. The two cerebral ganglia far apart. Hermaphroditic gland 
(ovo testis) and hermaphroditic duct, albumen-gland composed of two 
parts, vas deferens and short penis with retractor and two accessory 
