MOLLUSCA. 
577 
PhyseUa hercndti (Pfr.) is considered to be the type of a new genus, which 
ought to receive a new name. 13inney, 1. c. p. 73, with woodcut. [Has since 
been named Strehelia by Orosse and Fischer, 1868.] 
Amphipeplea luzonica (Beck), Martens, Mai. Blfitt. xiv. p. 219. 
Physa taslei, sp. n., Bourguignat, Tasl^, Catal. Moll, du Morbihan, Brit- 
tany. 
Physa fo}ittnaJis, in Mautchouria, Schrenck, /, c. p. 654. 
Physa molyccemis (Less.), from Celebes and Timor, and Ph. philippinaj 
sp. n., Manilla, described by v. Martens, Mai. Blat. xiv. pp. 218 & 219. 
Physa cernica, sp. n., Morelet, Journ. Conch, xv. p. 440, Mauritius. 
Physa. The North- American species described and figured by Binney, 
(/. c.) are : — 
a. Subgenus Physa : lordi (Baird), gahbi (Tryon), gyrina (Say), ampullacea 
(Gould), sayii (Tryon), vinosa (Gould), ancillaria (Say), osculans 
(Haldem.), mexicana (Phil.), heterostropha (Say),y/•<^y^7^s (Mighels), sc- 
mipUcata (Kiist.), costata (Newc.), stolida (Phil.), virginea (Gould), hit- 
mcrosa (Gould), jwmilm (Conrad), virgata (Gould), troostiana (Lea), 
triticca (Lea), concolor (Ilaldem.). 
h. Subgenus PhyseUa : glohosa (Ilaldem.). 
c. Subgenus Physodon ; microstoma (Ilaldem.). 
Btdimis. The North-Aniorican species described by Binney, /. c. pp. 75*- 
102, 155, are the following : — 
a. Subgenus Bulinus : aurantius (Carp.), nitens (Phil.), elattis (Gould), 
hypnorwn (L.), herlandicrianus (Binney). 
h. Subgenus Isidora\ integer (Haldem.), distortus (Haldem.). 
Physa lordi, sp. n., Baird, in Lord’s Naturalist in Vancouver Island, vol. ii. 
p. 303, Lake Osoyoos, British Columbia. — P. deformis and Bulinus tryoyii, 
spp. nn., Currier, Am. .Tourn. Conch, iii. p. 112, pi. 0. figs. 1 & 2, Grand 
Bapids, Michigan. 
Planorhis carinafus, alhus, contortus, and nitidus, in Mantchouria, Schrenck, 
pp. 638-643. The author states that in the last species there are not always 
two, but often several more lamellce in the interior of the shell ; and he defends 
the name nitidus given by Muller against the objections of English authors, 
although, as he says, Muller did not mention those lamella}. [The Becorder 
thinks that these lamella} are understood by the words, strigis duabus liga- 
mentorum instar in superna parte extinia} spira},” Muller, Historia vermium, 
ii. p. 163.] 
Planorhis limophilus^ sp. n., Agardh Westerlund, Mai. Bliitt. xiv. p. 204, 
Benneby, Southern Sweden. Allied to alhus. 
Planorhis hourguignati, sp. n., Moitessier, Bevue Zool. p. 423, pi. 22. figs. 1-6, 
and PI. paladilhi, sp. n., id. ibid. p. 424, pi. 22. figs. 7-14, Montpellier; the 
latter very near to PI. imhricatus (Drap.). 
Planorhis alhus (Mull.), var. nayia, Gassies, Malacol. Aquit. 1. c. p. 21, fig. 3, 
ponds of the intralittoral region to the loft of the Garonne. 
Planorhis alexandrinus (Ehrenberg) does not belong to the subgenus 
Planorhula, Martens, Mai. Blatt. xiv. p. 20. 
Planorhis indieus (Bens.) = coromandelicus (Fabr. apud Beck) = exusius 
(P^Qh-.^ — circumspissus (Morelet), British India, Ceylon, Siam; PL infralineatus, 
sp. n., .lava; PI. comp>ressus Ql\iiion) — toiidanensis of Mousson, Moll. Jav., 
China, British India, Sumatra, Java, Celebes, and Luzon, var. siamensis, from 
