GEOGRAPHICAL DISTRIBUTION. 
Moll . 29 
water Mytilus ; JB. Mineral, ii. pp. 21-26, woodcut. The knowh species 
of Clausilia, Streptaxis , Ennea, Helicarion, Macrochlamys , Microcystis , 
Kaliella , Sitala , Nanina, Hyalina , aud Plectopylis , critically discussed, 
and several new added, as well as som eCyclophoridce, by 0. v. M Ollen- 
dorff, JB. mal. Ges. x. pp. 228-269, 272-288, & 356-383, pis. viii., x. & 
xii. New species of land shells from Southern China ; id. Nachr. mal. 
Ges. 1883, pp. 65-67 & 98-101. 3 new interesting species of Clausilia 
described by Gredler in a separate pamphlet. Some species of Melania 
collected by Y. Mollendorff discussed by A. Brot, Nachr. mal. Ges. 
1883, pp. 80-86. Heude continues to give very good figures and rather 
short descriptions of Chinese species of Unio y with many new names ; 
Conchy 1. fluv. fasc. viii. pis. lviii.-lxiv. 
9. Southern Asia. 
Godwin- Austen continues his valuable work on the land and fresh- 
water Mollusca of India, giving in the third part several additions to 
the genera Kaliella and Sitala and beginning a monograph of Macro - 
chlamys, and treating in the fourth part the genera Macrochlamys , Oxytes , 
Ariophanta , and Helicarion, conchologically and anatomically ; un- 
fortunately, the colouration of the plates is rather coarse. 
Ceylon. Some new species of fresh-water shells and a new Vaginulus, by 
C. A. Westerlund, Nachr. mal. Ges. pp. 49-58 & 164-166. 
Salanga Island , Coast of Malacca. 13 terrestrial, 7 fresh-water, and 6 
submarine species ( Auriculidce , Potamides ) collected by Weber, agreeing 
about equally well with those of Transgangetic Iudia as with those of the 
Malayan Archipelago, some new, enumerated by E. v. Martens, Conchol. 
Mitth. ii. pp. 129-132, pi. xxv. 
Cambodia. New species by L. Morlet, J. de Conch, xxxi. pp. 104-109, 
pi. iv. 
10, Malayan Region and Australia. 
Celebes and Moluccas. C. Tapparone-Canefri enumerates and de- 
scribes 7 terrestrial species from Celebes, 8 from Halmahera, 11 fr..m 
Amboina, and some more from the “Moluccan Islands/’ without more 
precise statement of locality, all collected by Beccari and D’Albertis, 
including several new species and varieties ; Ann. Mus. Genov, xx. 
pp. 143-175, pi. i. 
New Guinea and Aru Islands. Their land, fresh-water, and submarine 
Mollusks worked out by C. Tapparone-Canefri, chiefly from the col- 
lections made by Beccari and D’Albertis, but all species mentioned by 
any author are enumerated. There are — Paludinidce 3 species, Melaniidce 
38, Cerithiidce 5, Neritidce 34, iuoperculated true land shells ( Stylommato - 
phora) 128, Auriculidce 33, Limnceidce 7, Cycloplioridce (inch Pupinidce ) 26, 
Helicinidce 9, Assimineidce 1, Truncatellidce 2, Glaucomyidce 1, Cyrenidce 
13, Unionidcc (genus Unio ) 4. Among the Stylommatophora , the section 
Papuina of the genus Helix is predominant, amounting to 37 species ; 
also the sections Sulcobasis , Cristigibba, both new, and Albersia, are very 
