1905. NoRMAisr. — Irish Cruslacca Ostracoda. 15! 



Cytherura cellulosa (Norman). — Bantry, Valentia, Dingle Bay, Aran, 

 Roundstone (A. M. N.) ; Dublin and Clifden Bays (B. & R.) ; Donegal 

 and Newcastle (G. S. B.) ; Antrim coast and Belfast Lough (S. M. M.). 



Genus 10.— Cythcroptcron, G. O. Sars. 



Cythcroptcron latlsslmum (Norman).— Bantry, Valentia, Dingle 

 Bay, Lough Foyle, Strangford Lough (A. M. N.) ; Antrim coast and 

 Belfast Lough (vS. M. M.). 



C. nodosum, G. S. Brady.— In shell-sand from Roundstone (Dr. 

 Alcock, fide Brady) ; Clifden Bay (B. and R.) ; Antrim coast, Belfast 

 Lough, Kerry coast (S. M. M.). 



C. punctatum, G. S. Brady. — Bantry, Valentia, Roundstone (A.M.N.) ; 

 Clifden and Westport Bays (B. & R.) ; Antrim coast and Belfast 

 Lough (S. M. M.). 



C. crassiplnnatum, Brady and Norman. — The types, and as yet only 

 known specimens, were dredged by me in 1870, in 112 fathoms, 

 off Valentia. 



C. alatum, G. O. Sars.— Off Valentia in S0-112 fathoms (A. M. N.) ; 

 off the Great Skellig, Co. Kerry, in 70-110 fathoms (»S. M. M.). 



C, laeve, Brady & Norman. — A single valve dredged by the "Porcu- 

 pine," 1869, in 1,366 fathoms, at station 19, lat. 56° 11' N., long. 10'' 56' 

 W., in the ocean west of Donegal Bay. Only two other valves are 

 known. These were procured in the same expedition of the "Por- 

 cupine," station 41, lat. 49" 4' N., long. 12° 22' W., in 584 fathoms; 

 this station was S.S.W. of the vS.W. of Ireland, but outside the 

 British area. 



C. angulatutn, Brady and Robertson.— Off Valentia, Roundstone 

 (A.M.N.) ; off the Antrim coast in 60 fathoms (S. M. M.). 



C. I nf latum, Brady, Crosskey, and Robertson. — " Porcupine," 1869, 

 station 19, lat. 54" 33' N., long. 10" 56' W., in the sea to the west of 

 Donegal in 1,366 fathoms (A. M. N.). 



C. montroslcnsc, Brady, Crosskey. and Robertson.— Roundstone 

 Bay (B. & R.) ; rare off the Great Skellig (S. M. M.). 



C. dcprcssum, Brady and Norman.— Valentia, Aran, Roundstone, 

 Westport, Lough Foyle (A. M. N.); Clifden and Galway Bays and 

 Lough Swilly (B. & S.) ; Berehaven very common, Belfast Lough, 

 and Donaghadee (S. M. M.). 



Genus 11.— Bythocythcrc, G. O. Sars. 

 Bythocythcrc constrlcta, G. O. Sars.— Bantry, Valentia, down to 



112 fathoms. Dingle Bay (A. M. N.) ; Dublin and Mulroy Bays 



and Lough Swilly (B. & S.) ; Antrim coast and Belfast Lough 



(S. M. M.). 

 B. turglda G. O. Sars. — Off Valentia (A. M. N.) ; Roundstone (B. & R.) ; 



Antrim coast and Belfast Lough (S. M. M.). 

 B. recta, G. S. Brady.— Roundstone (A. M. N.) ; Westport (B. & S.) ; 



Antrim coast and Belfast Lough (S. M. M.). 

 B. simplex (Norman).— Twenty-five miles off Valentia in 80 fathoms 



(A. M. N.) ; rare off Antrim coast and in Belfast Bay (S. M. M.). 



