HETERODONTA. 
Moll. 91 
Maggiore. Aper^u sur les Unionidee de la penins. Ital. pp. 1-62, none 
figured. U. eumacrus (Letourneux, MS.) from Croatia ; Bourguignat, 
id. 1. c. p. 30, footnote. 
Unio veillanensis (Blanc, MS.), sp. n., Lake d’Avigliana, near Susa, 
Piedmont, oriliensis (Stabile, as var. of requiem ), Lakes of Orilio, Lu- 
gano, &c., larius , new name for robustus (Villa, preoccupied), Lake of Como, 
polii, sp. n., Rome, subcylindricus (Pini, MS.), sp. n., Ticino, fiuminalis , 
new name for requiem var. (Kobelt, Iconogr. iv. fig. 1148), River Po, 
idrinus, sp. n., Lakes of Idro and Iseo, romanus (Kobelt, as variety of 
requiem , fig. 1145), Tiber, &c., etruscus , sp. n., Pisa, campanus (Blanc, 
MS.), sp. n., Pontine Marshes, San Germano, and Naples, meridionalis 
(Pini, MS.), sp. n., Sarno River, &c., longobardus (Pini, MS.), sp. n., 
Mincio, brianteus (Pini, MS.), sp. n., Lake of Sartirana, nitidus , sp. n., 
Turin and Modena, siliquatus, sp. n., Po near Turin, gredleri, new name 
for ovalis var. intercedens (Gredler), Lake of Garda, vulgaris (Stabile, as 
var. of U. requiem ), Lakes of Lugano, Como, and Maggiore, benacinus, 
sp. n., Lake of Garda, minusculus, sp. n., same locality, and 24 other 
already known species of Italy described, but none figured, by H. Drouet, 
Unionidse de lTtalie, pp. 21-78. [There are probably some identical 
species in these two papers by Bourguignat and Drouet ; Bourguignat’s 
is dated July, 1883, whilst Drouet’s bears no nearer statement of date 
than the year 1883, and is not indicated in Friedlander’s “ Novitates 
Naturae ” earlier than February, 1884. — Rec.] 
Unio simonis (Tristram), galilcei, pietri, and lorteti (Locat’d, 1880), luy- 
nesi , timius , raymondi } ellipsoideus , and prosacrus (Bourguignat, MS.), 
genezarethanus and tiberiadensis (Letourneux, MS.), and tristrami , all from 
Lake Tiberias, described and figured by A. Locard, Ann. Mus. Lyon, iii. 
pp. 203-221, pis. xx. & xxi. He refers them to five groups, viz., those of 
1, U. rothi (Bourg.), including simonis (Tristr.) ; 2, raymondi ; 3, ellip- 
soideus ; 4, lorteti, including terminalis (Bourg., 1852); and 5, lunulifer 
(Bourg., 1856) : l. c. pp. 198-200. U. anemprosthus and jauberti (Bourg., 
MS.), axiacus and subtigridis (Letourneux, MS.), rhomboidopsis, chantrii , 
and antiochanus, spp. nn., Lake of Antioch, referred to 4 groups: 1, si- 
monis ; 2, axiacus; 3, lorteti ; and 4, antiochanus, described and figured: 
id. 1. c. pp. 239-250, pis. xx.-xxii. 
Unio jickelii, sp. n., = dembece, Jickeli, var., Abyssinia ; Bourguignat, 
Mai. Abyss, p. 135. 
Unio hauttecceuri, grandidieri, duponti , ruellani, edwardsianus, granti- 
anus , and monceti, spp. nn., from Lake Ukerewe, all small, with wrinkled 
sculpture more or less extended from the summits downwards ; id. 
Moll. fluv. Nyanz. Ouker. pp. 5-16, pi., figs. 1-18. 
Unio cornuum-lunce , auroreus, retiarus , trisulcatus , paschalis, verruculo- 
sus, vestitus, moreletianus , zonatus , murinus , distortus, mediastinus, abor- 
tivus, and pinchonianus, spp. nn., and cumingi (Lea), Province of Nanking ; 
Heude, Conchyl. Fluv. viii. fasc. Nos. 105-125, pis. lvii.-lxiv. 
Unio fischerianus , sp. n., Morelet, J. de Conch, xxxi. p. 109, pi. iv. fig. 6, 
Cambodia [preoccupied by Lea, as fisherianus. — Rec.]. 
Unio duclerii, sp. n., A. T. de Rochebrune, Bull. Soc. Philom. (7) 
vii. pp. 26-31, Mekong River. 
