Massy — The Gymnosomatous Pteropoda of the Coasts of Ireland. 229 



In a specimen from station S.R. 1387, measuring 3 mm. in length, the 

 genital gland is placed externally on the right side at the lowest ciliated 

 band, and closely connected with the body. Just above, a mass composed of 

 many white segments, apparently the accessory glands, joins the body below 

 the lateral gill by a long thread-like attachment. 



Distribution. — Atlantic, between 7° N. lat., and 61° N. lat., and 

 Mediterranean. 



Pneumodermopsis paucidens (Boas). 



L. 161 a — Tow-net at surface. Four. 



CXVII d— Tow-net at surface. Two. 



S.R. 24 — Tow-net at surface. Seventeen. 



S.R. 25 — Tow-net at 35 fathoms. Twenty-nine. 



S.R. 60 — Tow-net at 35 fathoms. One hundred and thirty-eight. 



Same station and net at 58 fathoms. Ga. two hundred and 

 sixty. 

 S.R. 61 — Tow-net at 36 fathoms. Forty-seven. 

 S.R. 66— Tow-net at 100 fathoms. One. 



S.R. 76 — Tow-net at 30 fathoms. Three ; tow-net at 60 fathoms. Seven. 

 S.R. 249— Tow-net at 20 fathoms. Twelve. 

 S.R. 273 — Midwater otter trawl at 30 fathoms. Twenty-nine. 

 S.R. 290 — Tow-net at surface. Eleven. 

 S.R. 348 — Tow-net at surface. Four. 

 S.R. 408— Tow-net at 36 fathoms. One. 

 S.R. 521— Tow-net at 19 fathoms. Three. 

 S.R. 595 — Tow-net at 35 fathoms. One. 

 S.R. 636 — Tow-net at 30 fathoms. Forty-three. 

 S.R. 639— Tow-net at 29 fathoms. Two. 

 S.R. 796— Tow-net at 25 fathoms. Four. 

 S.R. 798— Tow-net at 70 fathoms. Seven. 

 S.R. 848 — Tow-net at surface. One. 

 S.R. 1049— Tow-net at 25 fathoms. Three. 

 S.R. 1050— Tow-net at 60 fathoms. Five. 

 S.R. 1096— Tow-net at 79 fathoms. One. 

 S.R. 1226— Tow-net at 49 fathoms. Sixty-nine. 

 S.R. 1232— Tow-net at surface. One. 

 S.R. 1387— Tow-net at 50 fathoms. One. 

 S.R. 1499— Tow-net at 70 fathoms. Forty-three. 

 S.R. 1537— Tow-net at 30 fathoms. One. 

 W. 265 — Tow-net on dredge at 23 fathoms. One. 



