PATAGONIAN EXPEDITIONS : ZOOLOGY. 



EXPLANATION OF PLATE XLII. 



PAGE 



Radiodiscus patagonicus (Suter). On the Rio Chico, 



50 miles above the Sierra Oveja . . . . 517 

 SucciNEA BURMEiSTERi Doering. Rio Chico, 50 miles 



above the Sierra Oveja . 520 



" " Doeringf. Seven miles above 



the Sierra Ventana . . 520 



LiTTORIDINA HATCHERI Pils. 553 



LiTTORiDiNA SIMPLEX Pils. Cotypes . . . . 555 

 Figs. II, iia, 12, 13. LiTTORIDINA HATCHERI Pils. 40 miles above Sierra 



Oveja 555 



(vol. in) 



