GEOQRArHICAL DISTRIBUTION. 
Moll. 29 
nella, 1 Amnicola^ 4 Melania, 3 Neritina, 1 Pisidium, 1 Sphoiviuni, and 2 
Unio, enumerated by Arango & Molina, Fauna mal. Cubana, pp. 1-144. 
San Domingo. 17 species of land shells found at Puerto Plata, during a 
short search, by Gibbons, J. of Conch, ii. p. 209. 
13 . Gentral and South Amei'ica. 
Mexico. H. Strebel publishes Part iv. of his work on the Mexican * 
land and freshwater Molliisca, describing 9 genera and 7 species of 
Vitrinidai (including Llyalina and Limax), 1 Tehennophorus, 2 Xanthonyx, 
29 of llelicidai subdivided into 11 “groups,” 9 species of Ccelocentrum, 17 
of Eucalodium, 12 of Cylindrella subdivided into 5 groups, 2 of Macro- 
ceramus, and 1 Pupa. Many of them are anatomically described by G. 
Pfeffer, and almost all figured. The shells are photographed on seven 
plates (very well done, especially the flat Moreletice and the turreted 
larger Eucalodium') ; the radula, other anatomical figures, and some 
shells, are drawn on six other plates. 
Central America. Some new species of Planorhis by Crosse & 
Fischer, J. de Conch, xxvii. pp. 341 & .342. 
Guatemala. 38 species exhibited by Boucard in the Paris Exposition 
of 1878 enumerated by F. Jousseaume, Bull. Soc. Z. Fr. iii. pp. 169 & 
170. 
Costa Rica. 42 species of land shells, collected by the late Dr. W. M. 
Gabb, are enumerated by G, F. Angas ; several are new, and figures of 
living animals of some are given. P. Z. S. 1879, pp. 475-486, pi. xl. 
Ecuador. K. Miller adds to his former paper [Zool. Rec. xv. Moll. 
p. 23] a number of land shells (including several new) chiefly found in 
the province Loja and at Guayaquil by T. Wolf; and enumerates 38 
other species of freshwater shells, also with many new species. He gives 
a general list, according to which 26 land and 15 freshwater species are 
known from the low Pacific coast region, 49 land and 4 freshwater from 
the middle region of the western slope of the Andes, 47 land and 5 
freshwater from the middle region of the eastern slope, 59 land and 8 
freshwater from the highlands between the chief chains of the Andes, 
and 12 land shells {Otostomus, Bulimulus, chiefly subg. Scutalus, and 1 
Cyclotus) from the high mountains above 2800 metres, Mal. Bl. (2) i. 
pp. 117-203, pis. iv.-xv. ; list, pp. 183-191. 
Upper Peru. 43 species of land shells (4 new Xenice), collected by 
Jelski and Stolzmann, enumerated by L. Lubomirski, P. Z. S. 1879, 
pp. 719-728, pis. Iv. & Ivi. 
Argentine Republic. A. DoRiNG continues his review of the land snails, 
enumerating and describing 17 species of Bulimulus, 2 Otostomus, 1 
Stenogyra, 1 Cionella (Acicula), and 5 Pupa', Bol. Ac. Cordoba, iii. 
pp. 63-81. 
h. Marine Mollusca. 
The Pteropods collected in the Atlantic, Indian, and Pacific Oceans 
during the voyage of the Prussian corvette ‘ Gazelle,’ and some time ago 
