116 THE LAND MOLLUSCAN FAUNA OF BRITISH NEW GUINEA. 



EXPLANATION OF PLATES (continued). 



Plate x. 



— M. calcarata, Hedley. Magnified. 



— Thalassia annul a, Brazier. 



— Ochthephila albertisi, Brazier. 



— Charopa texta, Hedley. Magnified. 



— Helicarion visi, Hedley. 



— H. musgravei, Hedley. 



— Rhytida globosa, Hedley. 

 Figs. 17, 18, 19. — Cristigibba macgregori, Hedley. 

 Fig. 20. — Geotrochus oxystoma, Smith. 



Plate xi. 



— Geotrochus oxystoma, Smith. 



— G. bevani, Brazier. 



— G. elisus, Hedley. 



— G. tapparonei, Smith, 



— G. zeno, Brazier. 



— G. trobriandensis, Hedley. 



— G. brumeriensis, Forbes. 



Plate xii. 



— Cochlostyla papuensis, Hedley. 



— Partula occidentalis, Hedley. 



— Succinea simplex, PfeifFer. 



— Omphalotropis brazieri, Hedley. Magnified. 



— 0. protracta, Hedley. Magnified. 



— Bellardiella minor, Hedley. Magnified. 



— Pnpinella tapparonei, Brazier. Magnified. 



— Pupina ovalis, Hedley. Magnified. 



— P. gibba, Hedley. Magnified. 



— Diplommatina symmetrica, Hedley. Magnified. 



Plate xii. bis. 



— Cyclotus horridus, Hedley. Magnified. 



— C. howaldi, Hedley. Magnified. 



— C. belfordi, Hedley. Magnified. 



— Leptopoma parvum, Hedley. Magnified. 



— Helicina insidarum, Hedley. 



— ,, ,, var. sinus. Magnified. 



— H. woodlarkensis, Smith. Magnified. 



— H. maino, Brazier. Magnified. 



— H. multicoronata, Hedley. Magnified. 



