ENTOMOSTRACA NEW TO THE FAUNA OK ORKNEY. 99 



Habitat. — Outside of Holm Sound ; not common. 



This species has been recorded from the Clyde and 

 from Loch Carron. I have also lately observed it 

 in the Firth of Forth. 



Paradoxostoma arcuatum, Brady. 



Paradoxostoma arcuatum, Brady, op cit., p 4G1, pi. xxxv., 



figs. 37, ;S8. 

 „ „ Biady and Norman, op. cit., p. 2;^, 



pi. xxi, figs. 5, 6. 

 Habitat. — With the last. 



This does not seem to be a common species, the 

 only Scottish localities for which it has been 

 recorded are the Firth of Forth ; the Moray Firth ; 

 and St. Magnus Bay, Shetland. 



Asterope mariae (Baird). 



CypHdina maricc, Baird, Proc. Zool. Soc. Lond., part xviii., 



p. 257, pi. xvii, figs. 5-7 (18.50). 



Cylindroleberis ,, Brady, op. cit., p. 465, pi. xxxiii., figs. 



18-22; pi. xli., fig 1. 



Asterope ,, Robertson, Fauna and Flora of the West 



of Scotland, p. 39 (1876). 



Habitat. — Vera Sound; not common. 



This species has been observed at Shetland; Skye; 



the Clyde ; and the Moray Firth. 



Asterope teres (Norman). 



Cypridina teres, Norman, Ann. and Mag. Nat Hist., vol viii., 



pi. xiv., fig. 10 (1861). 

 Cylindroleberis teres, Brady, op. cit., p 465, pi. xxxiii., figs. 6-9; 



pi. xli., fig. 2. 

 Asterope „ Robertson, Fauna and Flora of the West 



of Scotland, p. 39 (1876). 



Habitat. — In the same locality as the last. 



This species is not so common as the preceding. 

 The only other Scottish records I can find for it are 

 the Clyde (one or two places) and Oban. 



Poly cope compressa, Bi-ady and Robertson. 



Polycope compressa, B. and R., Ann. and Mag. Nat. Hist., 

 p. 372, pi. xxi (1869). 



