274 ^^- J- Dewitz: 



near Birmingham); Rattnlas cimolius G. (Sandliurst, Berks; 

 Kingswood Pool, Birmingham); Ratüdus calyptas (Tide- 

 pools, Schottische Küste); Rattulns sejunctipes G. (dass.); 

 Coelopus tenuior G. (Weedy pools. Woolston: Sutton Park 

 and Coleshill, Birmingham); Coelopus cavia G. (Epping 

 Forest); Coelopus minutus G. (Black Loch, near Dundee); 

 Scaridiwn endactylotam G. (Pools near Blairgowrie) ; Ste- 

 phanops chlaena G. (Sandhurst, Woolston, pools); Bia- 

 schiza G. 71. g.; 



„Body compressed ; the dorsal half of the trunk inclosed in a 

 carapace, which is split medially; one eye present, usually cervical; 

 trophi virgate, not distinguishable from those of Forcularia; toes 

 long, blade-like, furcate." Zur Familie Salpinadae. 



DiascMza valga G. (Torqnay, Woolston, Sandhurst, 

 Birmingham, Cheltenham) ; DiascMza exigna G. (an Algen) ; 

 Diaschiza Hoodii G. (Loch near Dundee; pool near Bir- 

 mingham) ; Diaschiza paeta G. (Woolston Pond, Sandhurst, 

 Berks); Diaschiza semiaperta G. (Cheltenham; Woolston; 

 Birmingham; Stormont Loch, Scotland. Pools); Diaschiza 

 tenuior G. (Woolston Pond; Duudee); Salpina macracantha G. 

 Maidenhead; Torquay); Salpina enstala G. (Woolston; 

 Stanmore) ; Salpina sulcata G. (Woolston) ; Diplois G. n. g. ; 



„Lorica, more or less depressed, ovate in outline: formed of 

 two subequal plates, united by elastic membrane; the dorsal plate 

 arched, ridged, and split down the middle; the ventral iiat; toes 

 straight, furcate; eye Single, cervical." Zur Gattung Salpinadae 

 gestellt. 



Diplo'is propatida G. (Pool; Sandhurst, Berks); Diplois 

 Daviesiae G. (Woolston; Dundee); Euchlanis lyra H. (Pond 

 in Sutton Park); Cathypna G. n. g. ; 



„Lorica sub-circular horizontally, usually much arched vertically; 

 lateral inangulation wide and deep; toes two, furcate." Zur Familie 

 Cathypnadae. 



Cathypna rnsticula G. (England, Schottland; pools); 

 Cathypna sulcata G. (Sandhurst, Berks; pool); Distyla 

 flexilis G. (Sandhurst, Berks) ; Monostyla Lordii G. (Wool- 

 ston; Newbury; Dundee); Colurus ohtasus G. (Near London; 

 Woolston; Leamington; Dundee); Colnrns amblytelns G. 

 (Marine pools at low tide); Colurus dactylotus G. (Marine 



