heteeodonta. 
Moll 93 
\trasim~'] (Kobelt, as idrina var.), Lake Trasimeno, cristata , sp. n., Lakes 
of Oggiono and Annono, and 11 known species from Italy described, none 
figured ; H.Drouet, Unionidse de l’ltalie, pp. 88-125. 
Anodonta. Critical notes on many species from Italy, and A. doriana 
and eporediana (Issel, MS.), spp. nn., both from Lake d’ Alice, near Ivrea, 
isseli, gestroi , beccariana , arturi , and arnouldi , spp. nn., all near Mantua ; 
Bourguignat, Unionidse penins. Ital. pp. 77-117 (none figured). 
Anodonta pseudodopsis , sp. n., Locard, Ann. Mus. Lyon, iii. p. 255, 
pi. xix.B, figs. 1-3, Lake of Antioch. 
Anodonta guillaini (Recluz), Somali-land. Typical specimen figured 
by H. Crosse, J. de Conch, xxxi. p. 221, pi. ix. fig. 4. 
Anodonta sp. from Cooper’s Creek, Central Australia ; Saenger, Am. 
Nat. xvii. p. 1184, woodcut. 
Anodonta californiensis (Lea) in St. Cruz River, Arizona ; 3r. Stearns, 
Am. Nat. xvii. p. 1019, woodcut. 
Anodonta glauca (Val.) var. n. sinaloensis ; Crosse & Fischer, J. de 
Conch, xxxi. p. 219, Province Sinaloa, Mexico. 
Spatha wissmanni and sinuata, spp. nn., Martens, SB. nat. Fr. 1883, 
p. 73, Lubi and Lubilash tributaries of the Congo. 
Spatha (. Mutela ) hirundo (Martens, 1881), Quango River, figured ; 
id. Conchol. Mitth. ii. p. 139, pi. xxvii. 
Burtonia , g. n. Distinguished from Spatha by the trigonal, subellipti- 
cal outline, a distinct dorsal keel, small compressed summits, a lamellar 
front part of the hinge, and an elongated ligament. B. tanganilcana = 
Spatha iavganyicensis (E. A. Smith), P. Z. S. 1880, fig. 8, and B. living- 
stoniana , sp. n., = S. tang any icensis (E. A. Smith), l. c. fig. 8 a, & 1881, 
fig. 32, both from Lake Tanganyika ; Bourguignat, Moll. fluv. Nyanz. 
pp. 20-23. 
Cameronia (Bourg., 1879), for Iridina speJcii (Woodw.). Distinct from 
Pliodon by the general outline, a lamellar tooth in front and a row 
of denticulations behind, and a long, simple ligament ; id. 1. c. pp. 19 
& 20 . 
AEtheria. Several species, including nilotica, sp. n., distinguished ; 
id. Hist. d. Moll. Ac^phales du syst. Europeen, 1880, p. 136, and Mai. 
Abyss, pp. 137 & 138. 
Astartid^e. 
Astarte semisulcata (Leach) var. placenta (Morch) and var. n. rhom- 
boidalis , also A. warhami (Hanc.) ; Leche, in Nordenskiold’s Yega Ex* 
ped. Vetensk. Iakt. iii. pp. 441 & 442, pis. xxxii. figs. 5-12, & xxxiv. figs. 
35 & 36, Northern coast of Siberia. 
Parastarte (Conrad, 1862). Resembling Astarte ; a small, rounded pallia! 
sinus; viviparous. P. triquetra (Conrad) from Florida. Dali, P. U. S. 
Nat. Mus. vi. p. 339, p! x. fig. 1. 
Callicistronia, g. n., Dali, Science, ii., p. 447, is identical with the pre- 
ceding ; id. ibid. 
Crassatella ( Eriphyla ) lunulata (Conrad) = mactracea (Linsley) from 
Florida; id. 1. c. p. 340. 
