I. '21. 41 



mature while still very small, numerous ovigerous individuals 

 having been taken in which the carapace measures only 5 mm. 



General Distribution. — The species occurs on the west coast 

 of Norway at least as far north as 63° 10' N. (Sars and Appellof). 

 It has been taken at the Shetlands (Norman), on the west and 

 south-west of Ireland, in the Bay of Biscay (Kemp, Milne- 

 Edwards and Bouvier). off the Portuguese coasts, at the 

 Canaries, and as far south as Cape Blanco, 21° 51' N. (Milne- 

 Edwards and Bouvier). It has also been taken in the 

 Mediterranean (Senna). 



Vertical Distribution. — The species appears to live in greatest 

 numbers in depths of 100-250 fms., but it is frequently found 

 in about 70-90 fms., and has been taken also in 740 fms 

 (Milne-Edw^ards and Bouvier). 



Irish Distribution. — The Helga has taken this species in 

 large numbers off the west and south-west coasts. The fol- 

 lowing are detailed records : — 



Helga. 



Helga CXIV.— 2 viii '01.— 40 mis. S.W. of Cleggan Head 



62-| fms., sand and stones. Dredge. Temperature 



9-5° C. — One ovigerous $ , 5 mm.- 

 Helga CXXI.— 24 viii '01.— 64 mis. N. W. 4 W. of Cleggan 



Head, 199 fms., fine sand. Trawl. — One, 11 mm. 

 Helga CXXXI.— 12 ix '01.-50 mis. W. N. W. of Cleggan 



Head, 110 fms., fine sand. Dredge. Temperature 



at 100 fms., 9-8° C— Eighty, 5-15 n.m. 

 S. R. 44.— 17 VIII '03.-50 mis. W. N- W. of Cleggan Head, 



116j fms., Townet on trawl. Temperature 10-15° 



C— Three. 9-18 mm. 

 W. 7 —24 III '04.-27 mis. W. by N. i N. of Bray Head, 



Valencia, 100 fms., sand. Trawl. Temperature 9-8° 



C. — Four, 8-17-5 mm., including 2 ovigerous $ . 

 S. R. 107.-9 V '04.-53° 37' N., 11° 33' W., 121 fms., fine 



sand. Trawl. Temperature 9-3° C. — Two, 13-15 mm. 

 S. R. 145.— 23 VIII '04.-53° 24' 30" N., 11° 38' W., 112 fms., 



fine sand. Townets on trawl. — Seven, 5-18 mm., 



including one ovigerous $ . 

 S. R. 146.— 24 VIII '04.-53° 24' N., 12° 29' W., 181 fms., fine 



sand. Trawl. — One, 16-5 mm. 

 S. R. 147.— 24 VIII '04.-53° 27' N., 13° 37' W., 91i fms., 



gravel and shells. Dredge. — One $ with six 



Peltogasters, 9-5 mm. 

 S. R. 149.— 24 VIII '04.-53° 38' N., 13° 19' W., 135 fms., 



fine sand and shells. Trawl. — One, 9 mm. 

 S. R. 152.— 27 VIII '04.-54° 7' N., 11° 37' W., 220 fms., 



Trawl. — One 9-5 mm. 

 S. R. 164.— 3 XI '04.-52° 6' N., 12° Oj' W., 375 fms., fine 



mud and sand. Dredge. Temperature at 350 fms,. 



9-78° C. — ^Five, 6-7 mm., one ovigerous $. 



