of the Morth Atlantic and of North-Western Murope. 729 



the British form hitherto described by us. Of G. puhescens, Koch (Gr. 0. Sars), he 

 gives the following characters : — 



Candona pubescens, Koch. 



(PI. Lxm., fig. 24; PI. lxiv., figs. 20, 21 ; PI. lxviii., figs. 7-9.) 



1837. Cypris pubescens, . . Koch, C. L., " Deutschlands Crustaceen Myria- 



poden und Arachniden," H. xi., No. 6. 



1890. Candona ,, . . Sars, G. 0., " Oversigt af Norges Crustaceer: ii. 



Branch. Ostrac. Cirrip.," Vidensk-Selsk. For- 

 hand., p. 64. 



" Testa feminse a latere visa ovato-subreniformis, altitudine maxima dimidia 

 longitudine multo majore in jjarte jDostica sit a, extremitate antice anguste rotun- 

 data, postica sat expansa adque angulum inferiorem obtusa ; margiiie dorsali 

 postice valde arcuato antice declivi, ventrali leviter sinuato ; supra visa oblonga, 

 latitudine maxima altitudine multo minore in medio sita, extremitate antica 

 angustiore. Testa maris eadem feminse paulo major et postice magis expansa, 

 margine ventrali distinctius sinuato. Valvulse parum ina^quales, pilis longissimis 

 ubique hispidse, albse, opacse, parum nitidse, tuberculis nullis visibilibus. Rami 

 caudales breves, vix flexuosi, apicem versus sensim attenuati, unguibus subsequa- 

 libus dimidio ramo multo longioribus, margine altero subtiliter denticulato, seta 

 marginis dorsalis haud elongata ad partem ultimam tertiam rami sita. 

 Longitudo testae maris 1"30 mm." 



Habitat. — Pond in Wanstead Park, Essex, and at Pavenham, Bedfordshire 

 (Mr. Scourfield). 



Distribution. — In marshes in the neighbourhood of Christiania (G. 0. Sars). 



For specimens from the English localities we are indebted to the kindness of 

 Mr. Scourfield. Figures from these specimens are given in Plate lxviii. The 

 second maxilla and caudal ramus are shown in Plates Lxrv. and lxiii. 



Candona stagnalis, Gr. 0. Sars. 

 (PI. lxviii., figs. 14-17.) 



1890. Candona stagnalis, . . Sars, G. 0., " Oversigt af Norges Crustaceer: il. 



Branch. Ostrac. Cirrip.," Christ. Videns- 

 Selsk. Forhand, p. 69. 



1891. ,, ambigua, . . Scott, T., " Invertebrate Fauna of Inland Waters 



of Scotland," Ninth Report Fishery Board 

 for Scotland, p. 277, pi. iv., figs. 7 a-c, S . 

 Having received through the kindness of the describers type specimens of the 



