G02 " THETIS " SCIENTIFIC KKSULTS. 



ELASMOPUS SUBCARINATUS (/lasweli). 



Stations 28, 35, 37, 38, 48, 57. 



Megamvera subcarinaia, Haswell, Proc. Linn. Soc. N. S. Wales^ 



' iv., 1880, p. 335, pi. xxi., fig. 4. 

 £las7nopus subcarinattis, Stebbing, Chall. Rep., Zool., xxix., 1888, 

 p. 1019, U. persetosns on pi. 98. 



Elasmojnis subcarinatus, Stebbing, Das Tierreich, xxi., 1906, p. 

 441. 



Localities. — Oif Manning River ; off Port Hacking ; Botany 

 Bay, 50 to 52 fathoms; off Wollongong, 55 to 56 fathoms; off 

 Wata Mooli, 54-59 fathoms. 



Family DEXAMINID^. 



Dexaminidce, Stebbing, Chall. Rep., Zool., xxix., 1888, pp. 573, 



900. 

 Dexaminidce, Stebbing, Das Tierreich, xxi., 1906, pp. 514, 735. 

 Dexaminidce., Patience, Ann. Mag. Nat. Hist., (8), i., 1908, p. 117. 



No new genera have recently been added to this family, but 

 Mr. Patience has shown that Dexamine dolichonyx, Nebeski, 

 instead of being made a synonym of Tritceta cjibbosa, Bate, should 

 really be regarded as a synonym of Dexamine thea, Boeck. 



Genus PAEADEXAMINE, Stebbing. 



Paradexamine, Stebbing, Ann. Mag. Nat. Hist., (7), iv., 1899, 



p. 210. 

 Paradexamine, Chevreux, Bull. Soc. Zool. Fr., xx., 1906, p. 82, 

 Paradexamine, Stebbing, Das Tierreich, xxi., 1906, p, 518. 



The original definition derived from a single species still holds, 

 to cover the three species now included in the genus. Among. 

 themselves these may be distinguished as follows : — 



! Second joint of fifth peraeopod much ex- 

 panded , 1. P.flindersi, Stebbing. 

 Second joint of fifth peraeopod not mvich 

 expanded 2. 



( Rami of third uropod short, not reaching 



2j beyond the telson 2. P. pacifica, Th.omaon. 



I Rami of third uropod long, reaching 



\_ beyond the telson 3. P. fissicauda, Chevreux. 



Dexamine serratiams, A. O. Walker in Herdman's Rep. Ceylon 

 Pearl Fish., ii., 1904, p. 265, pi. iv., fig. 24, appears to be a near 



