EXPLICATION DE LA PLANCHE I 



Fig. I. 2. — Achatiiia Schouicdeni nov. sp., grand, nat. 



Fig. 3, 4. — Mclania Bavayi nov. sp , X 4. 



Fig. 5, 6, 7. — Zingis Bcquacrti nov. sp.. X 5- 



Fig. ^, 9, 10, — Trochonanina (Martcnsia) Roiliaini nov. sp. X 



Fig. II, 12, 13. — Goiiyoiiscns Smithi nov. sp., X 20. 



