370 APrKxnix. 



perior bein<? a little the longer, not attaining half the length of the 

 animal. The second pair of gnathopoda are subcheliforni , similar 

 to the first, but larger. Dactyla of the first, second, and third 

 paii-s of pereiopoda compressed, foliaceoiis, elongate-elliptic, but 

 in the last pair styliform ; third and fourth pairs of pereiopoda 

 shorter than the preceding, and not attaining half the length of 

 the fiifth (scarcely reaching half the length of the bodj')." — Sars. 



This closely resembles M. glacial is. 



7 a. Montagua Norvegica. 



Leucothoe Norvegica, Liljeburg, Of vers, of Konyl. Vei. Akad. 1850, 

 p. 335*. 



Bruzeliiis, Skand. Amph. Gamm. p. 97. 



" Body compressed. First pair of coxae small ; fourth largest. 

 Second pair of gnathopoda having the propodos large, oblong, 

 with the posterior process considerably produced. Posterior pair 

 of pleopoda terminating in a single ramus. 

 " Hah. Western coast from Finmark to Bohusia." — Bi'uzeliiis. 



The author has evidently, in this and the preceding species, adopted 

 Kroyer's genus, instead of Leucothoe of Leach. It appears to me 

 that most probably this species is but a synonym of M. clypeata. 



Page 81. Anonjrx gtQosus. 



Anonyx gulosus, Kroyer, Nat. Tidskr., anden Rcekke, i. p. Gil ; Voy. 

 en Scand. p. 14. f. 2. 



Bruzelius, Skand. Amph. Gamm. p. 44. 



Bruzelius affii'ms A. Norvegicus of Liljeborg to be a synonym of 

 this species. 



Page 83. Add another species : — 



3. Pontoporeia furcigera. B.M. 



Pontoporeia furcigera, Bruzelim, Skand. Amph. Gamm. p. 49. f. 8. 



** Superior antennae furnished with a triarticulate secondary append- 

 age. Fourth segment of the pleon furnished with a process (per- 

 pendicular to the animal) that is forked at the apex. Telson cleft 

 nearly to the base. 



" Length ^ of an inch. 



"Hah. Very rare, in the Gulf of Gullmarsfjorden, Bohusia." — 

 Bruzelius. North Atlantic (Barrett) ; length | an inch. 



* Not having seen Liljeborg's memoir, I quote this synonym from Bruzelius. 



