Canon A.M. Norman 0/1 British Amphipodu. 20') 



18 tatlioma " (/>. R.). These are tlie specimens wliicli wero 

 recorded in Dr. Robertson's first paper as " Anonyx serratus.^^ 

 This is the only record of the; species as Briti.sh. 



Distrih. Trondhjem Fiord, Norway {A. M. aV.) ; Malani^en 

 Fiord, West L'ininark {J. S. Schneider) : Mas. Xor. ►Siberian 

 I'olar Sea {Stiwberff) . 



Genus 16. Trtpiiosella, J. Bonnier. 

 = Tri/j)ho8a, G. 0. Sars (non Tnjphosa, Boeck, typica). 



3(). Tryphosella Sursi, J. Bonnier. 



1891. Tn/phosa iiana, G. O. Siirt (not Ationt/x nanus, Kr.), (142) p. 70, 



pi. x.\vii. tig. 1. 

 l^OS. Tryphosella Sarsi, J. Bonnier, /. c. p. 170, note. 



llaJ>. Bressay Sound, Shetland; mouth of the Yealin, near 

 Plymouth; Clew Bay, Co. Mayo {A.M. iV.) : Mas. Nor. 

 Puffin Island, Korth Wales, MtMiai Strait, and Jersey 

 {A. U. W.); Upper Loch Fyne {T. S.). 



I)istnb. South and west coasts of Norway [Sars). 



37. Tryphosella Iloringii (Bocck). 



1870. Trypho<a Horinffii, Boeck, (137) p. 38. 



187(5. Ti-yphisa Jlormtjii, Boeck, (188) p. 182, pi. iv. fig. 4. 



iHi'l. Tryphosa Iliirritii/ii, G. O. Sars, (142) p. 77, pi. xxvii. fig, 2. 



1893. Tryphosella JliJrringii, J. Bonnier, /. c. p. 171. 



Ilab. It has been recorded froin the ambulacral grooves 

 of starlish, lUill Bay, Anglesey [A. 0. W.) ; Loch Linnhe 

 [G. Brook) ; Fnth of Forth (T. 6'.). 



Diatrih. Trondhjera Fiord, Norway, 150 fathoms {A.M. N.) ; 

 Denmark {Copenhagen Mus.) : Mas. Xor. Sars speaks of it 

 as found in Norway and up to Lofoten generally in the region 

 of deep-sea corals in 50-150 fathoms. Bohusliin, Sweden 

 [Gunhilds Expedition, fide Sars). 



[Tryphosella ahyssi, sp. n. (PI. VL figs. 16-20.) 



Male. — in describing this form I shall take advantage of 

 the figures on Sars's pis. xxvii. and xxviii. for illustrations of 

 characters. Cephalon with lateral corners produced and acute 

 (as in Tryj)hoi>ile.s) {'i\^^. 1(5). Coxie of fourth segment of 

 mesosome (iig. 17) with the posterior projection completely 

 rounded above and below, those of fifth pair {iv^. IS) as broad 

 as deep J these characters as in T. Sarsi; epimera of third 

 segment of metasomo with the hinder corner well rounde<l 

 (fig. 19), without any indication of an angle. First segment 



