UAMJIAKID-i:. I4'i 



loiip;or than the superior ; pt'duiulc of the superior antennoo w itli 

 the first and second joints snUeipial, and with tlie hist sniaUcst ; 

 pediuu'le of the inferior antenniv; with the hist joint hingcr tlian 

 the penultimate. Gnathopoda suhchehitc and suheipial ; propocUi 

 oval, of medium size. Last pair of pleopoda? Telson di\aded, 

 each lamina lanceolate. 

 '' Lengtli about G mm. 



" J/((fi. Kullaheri!,-. Only two specimens have been taken, from a 

 depth of from \2 to 15 fathoms, in one of which larva) were present 

 in the o\"igerous pouch. 



" It much resembles AnvpJiitoe (Dexamine) tenuicornis of Kalhkc." 

 — LUjehorg. 



40. PHERUSA. 



Pherusa, Leach, Eilinh. Encijc. vii. p. 432; Tram. Linn. Soc. xi. p. 3G0. 



Desniarcstf Consid. sar les Crust, p. 2(Jl). pi. 44. 



Koch, Dcutschhuuh Criistacccn, 8)-c, Heft xxiv. p. 34. 

 Amphitoe, Edwards, Hist, des Crust, iii. p. 32 ; Ann. des Sci. Nat. xx. 

 p. 370. 



Dana, U. S. Explor. Exped. p. 910 (includes Pherusa). 

 Titanethes*, SchilkUc, Danske Vid. Selsk. i<kr. anden Ra-hke, ii. 



This genus differs from Atylus in the form of the telson only (it 

 is cleft in Atijlus, entire in Pherusa), and from Calllojie in the form 

 and size of the gnathopoda. 



1. Pherusa pulchella. (Plate XXYII. fig. 5.) 

 Amphitoii pulcliL'lla, KriUjcr, Voy. en Scand. pi. 10. f. 2. 



Dorsal surface of each of the last tlu-ec segments of the pci'cion pro- 

 duced into a tooth, as also the first three segments of the pleon ; 

 the third segment of the pleon having a small protuberance anterior 

 to the large dorsal tooth and at tlie upper portion of the posterioi- 

 margin. Superior antenna) longer than the inferior. Gnatlio- 

 poda uniform. Coxa) tapering anteriorly, and serrated upon tlie 

 inferior half of the posterior margins. Perciopoda subetiual, 

 slender. Telson ovate. 



Length ? 



Ilah. Greenland (Kroyer). 



TliLs species is descri])ed from Ki-iiycr's figure in the work cited. 

 It bears a general resemblance to Atylus Hu.clcyanus, 



2. Phenisa cirrus, n. s. (Plate XXVII. fig. G.) E.M. 



Cephalon pnjduced into a flat rostrum. First two segments of the 



pleon dorsally produced into teeth; the third segment having tho 



» I have obtained this sjnionyni froui page 1594 of Dana's great work, not 

 having seen Sclii'vdtv's paper. 



