36 



of some thoiisands, and because many of them are drawn 

 in part freely under the magnifyingglass, in part with dif- 

 ferent microscopes and different magnifyings under variable 

 circumstances of light, through a series of years, uniformity 

 in the manner of presentation has been unable to be main- 

 tained. 



I am indebted to all the gentlemen, who have placed 

 materials at my disposition, and I may then chiefly record 

 my thanks to the directors for the museums: in Kjobenhavn, 

 Inspector, Dr. Fr. Meinert, in Stockholm, Prof. Hjalmar 

 Theel, in Berlin, Prof. Mobius and Dr. J. Thiele, in Lon- 

 don, Prof. F. Jeffrey Bell, in Genova, Prof. R. Gestro, to 

 Mr. Ad. DoUfus at Paris, Dr. Caiman, at Dundee, Dr. Otto 

 Steinhaus, at Hamburg, Dr. Biirgcr, at Gottingen. 



Conspectus generum faniili?e Oniscidarum. 



.Subfaiuilia 1. Eubelince. 

 Genera: Euhelum B.-L. — Mesarmadillo Dollf. ex parte. — 

 Periscypho2)S Hilgend. — Hiallum B.-L. — Ethelum B.-L. 



Subfainilia 2. Spherillonince. 

 Genera: Spherillo Dana ex parte. — Sunniva nov. greni'«. — 

 Saidjahus nov. genus (Mesarmadillo oricntalis Dollf., M. elegans 

 Dollf., M. gultatus Dollf.). — Scleropades B.-L. ex parte (S. concin- 

 nus B.-L., S. incicus B.-L.). — Suarczia nov. genu.s {Mesarmadillo 

 heterodoxns Dollf.). — Arhina nov. genus. — Pseudophiloscia nov. 

 genus {Philoscia p^ihescens Chilton ex parte). — Ambounia Dollf.? 



Subfarailia 3. Rhyscotinw. 

 Genera: Rhyscotus B.-L. 



Subfamilia 4. Armadilloniscince. 

 Genera: Armadilloniscus Uljan. {Actoniscus Harger). — Scypho- 

 niscus Chilton. 



