THE AMPHIPODA. 47 



Cyphocaris anontx, Bocck. 



Mr. Stebbing here treats liis micronyx as a synonym of the above species. The previous 

 records of the species thus enlarged are : — 



r 1. Sta. 295 ; 38° 7' S., 94° 4' W. ; sounding 1500 fathoms, from the to«-net at the trawl. 

 ' Challenger ' \ Temperature 35°-3. 



[ 2. Sta. 335 ; 32° 44' S., 13° 5' W. ; 1425 fathoms, from the dredge *. Temperature 37°. 



' Hirondelle ' ^ ^" ^^^" ^^^ ' '*^° ^^' ^'' ~^° ^^' ^' ' "^^ fathoms, "filet bathypelagique a gouvernail " f. 

 I Temperature (mean) 42°. 



,r, , f 4, 5; 6. Sta. 4-6 ; 52° N., 15° W. ; open nets lowered to 1670, 1300, and 510 fathoms. 



'Oceana'. . < ^ , ^ / ^ ^ 



L Lowest (mean) temperatures, 36 , 37 , 46 . 



7. Greenland. Mean annual surface- temperature of Southern Greenland, 35° to 40°. 



There can be little doubt that this is a cold-water form. Boeck gives no record of 

 depth with the Greenland specimen in the Copenhagen Museum, but before 1870 it is 

 not likely to have been captured from any considerable depth in a Greenland area. 



Jassa pulchella, Leach. 



The confusion to which this species was reduced, though lately disentangled by 

 Mr. Stebbing $, yet makes it difficult to trace the records of its distribution. It appears 

 to range as a neritic form from Norway (but not into the Arctic Ocean) by England, 

 France, and Spain into the Mediterranean § as far as the Bosphorus, occvxrring also at 

 Teneriffe and the Azores ||. But, so far as I am aware, it has not been taken as an 

 oceanic form previously to this cruise of the 'Research' (47° 5' N., 7° 45' "VV., being 

 roughly 2° 10^' from the nearest land) ; but, as Mr. Stebbing reminds me, it readily 

 attaches itself to floating objects, and may have put to sea unadvisedly in this manner. 

 Considering how much is known of northern Crustacea, it seems safe to put its minimum 

 l^about 44° or 45°, the mean annual of Trondhjem Tjord. 



SciNA ckassicornis (Fabricius). 



This species has a wide horizontal distribution. It was taken at the surface near 

 Tristan da Cunha (temp. 65°), and also at the surface between Fiji and Eaine Island 

 (temp. 74°), by the ' Challenger,' On the other hand, most of the captures of this (as of 

 other Hyperiids) by the ' National ' ^ were made w ith the vertical net between 218 or 

 273 fathoms and the surface ; but this is due probably rather to the enormous catching- 

 power of this net than to the organism having been captured at the lower zones of its 

 course. These, and a haul of the ' Pola ' ** at 273 fathoms with the Monaco closing-net 



* 'Chall. Ecp. Summary of Results,' ii. p. 1'22-i. 



t So far as I can ascertain from M. Chcvreux's preface, this is the "filet pelagiquo k ridcau " of tho rriuee of 

 Monaco's paper on gear in Cong. Intcrnat. Zool. i. p. 133 (189u), ordinarily known as tho " Monaco net." 

 t T. R. II. Stebbing : Ann. & Mag. N. H. (7) iii. p. 237. 

 § G. 0. Sars : ' Crustacea of Norway,' Amphipoda, p. 594. 

 II E. Chevreux : ' Amphipodes dc rHirondello,' p. 106. 

 % J. Vosseler : ' Ampbipoden der Plankton-Expedition,' pp. 116-118. 

 ** T. Garbowski : Dcnkschr. Akad. Wien, Ixiii. Coram. Erforsch. iistl. Mittelmccres (fiinftc Rcihe), p. 113. 



