Clare Island Survey — Murine Entomostraca. 45 9 



P. harpactoides (Claus). — Ballynakill, 1901, frequent. Clew Bay and 

 Blacksod Bay, common. Found swarming in immense numbers 

 under stones between tide-marks, below the whaling station in Blacksod 

 Bay. 

 P. hibernica (Br. & Bob.). — Westport Bay, type-specimen (B. & B.). 

 Ballyiiakill Harbour, 1911. Blacksod Bay, surface tow-net, September, 

 1909. 

 Phyllothalestris mysus (Claus). — Westport and Clifden Bays (B. & B.). 

 Ballyiiakill, 1901, frequent in small numbers, lnishlyre Harbour. 

 March, 1910. Blacksod Bay, September, 1909. 

 Rhynchothalestris rufocincta (Norman).— Clew Bay and Clifden Bay (Brady, 

 Mon.). Ballynakill, 1901, frequent. Blacksod Bay, between tide-marks, 

 September, 1911, common. 

 E. helgolandica (Claus).— Clifden Bay (Brady, Mon.). Ballynakill, 1901-2 

 frequent. Blacksod Bay, between tide-marks, September, 1911, 

 frequent. 

 *Microthalestris littoralis G. O. Sars. — All the specimens of Micro thalestris 

 examined from Clew Bay and Blacksod Bay agree in the form of the 

 fifth feet with M. littoralis; but as the variation in size is considerable 

 (■5 mm.- - 85 mm.), it is possible that a second species may also be present. 

 Frequent between tide-marks, Blacksod Bay ; Clew Bay, 18 fins., August, 

 1910. 

 Dactylopusia thisboides (Cls.). — Clifden and Westport Bays (B. & B.). 

 Ballynakill, 1901-2, common. Blacksod Bay, September, 1911, few. 

 A ? form of this species with seven setae on the exopodite of the fifth 

 foot and a nine-jointed first antenna, was taken in 24fms. offKillary 

 Harbour in May, 1909. 

 D. vulgaris G-. O. Sars. — Clew Bay (Brady, Mon. sub D. Stromii). Ballynakill, 

 1901-2, common. Clew Bay, 18 fms., August, 1910, common. Blacksod 

 Bay, 2 fms. 

 Dactylopodella flava (Cls.).— Clew Bay (Brady, Mon.). Ballynakill, 1901-2, 

 several. lnishlyre Roads, March, 1910, one. Blacksod Bay, between 

 tide-marks, September, 1911, several. 

 Idomene forficata, Bhil.— Off Killary Harbour, 24 fms., May, 1909, one. 

 Westwoodia nobilis (Baird).— Ballynakill, 1901, few. Clew Bay, 18 fms., 

 August, 1910, several. Blacksod Bay, between tide-marks, September, 

 1911, several. 

 W. minuta, Cls. — Westport Bay (Brady, Mon.). Blacksod Bay, between 

 tide-marks and in 2 fms., September, 1911, common. 



E.I. A. PKOC, VOL. XXXI. B $5 



