Contributions to the Crustacean Fauna of South Africa. 329 



FAMILY TANAIDAE. 



1853. Tanaidae (part) Dana, U.S. Expl. Exp. vol. 13, p. 792. 

 1913. Hausen, Dan. Ingolf Exp. vol. 3, pt. 3, Crust. Malac. 



2, p. 18. 



1913. ,, Nierstrasz, Siboga Exp. monogr. 32a, p. 20. 



1914. Barnard, Ann. S.A. Mus. vol. 10, pt. 7, p. 197 (refer- 



ences). 



GEN. PARATANAIS Dana. 



1852. Paratanais Dana, U.S. Exp. vol. 13, p. 799. 



1884. Sars, Arch. Math. Naturv. vol. 7, p. 32. 



1884. Haswell, Proc. Linn. Soc. N.S.W. vol. 9, p. 1042. 



1886. Norman & Stebbiug, Tr. Linn. Soc. Loud. vol. 12, 



p. 107. 



1896. Sars, Crust. Norw. vol. 2, p. 16. 



1913. Nierstrasz, Siboga. Exp. monogr. 32a, p. 38. 



PARATANAIS EUELPIS n. sp. 



Body cylindrical. Head plus 1st peraeon segment longer than 

 broad, anterior margin straight with a minute median point, eyes and 

 ocular lobes distinct. Peraeon segment 2 slightly shorter than 3, 3 

 and 4 subequal, 5 and 6 subequal, 7 slightly shorter than 6, the 

 extreme anterior portion of each segment narrower than the rest and 

 marked off by a distinct transverse furrow. Pleon of same width as 

 perseon, equal to last 2 peraeon segments together, the 6 segments 

 distinct, telsonic segment broader than long, apically obtuse. 



Antenna 1 stout, 1st joint twice as long as broad, 2nd and 3rd 

 broader than long, flagellum 1-jointed, tipped with several setae, no 

 seusorv filaments. 



*/ 



Antenna 2, 1st joint short, upper surface of 2nd and 3rd flat 

 with a sharp inner edge, the two antennae fitting closely together, 

 inner edge in 3rd apically produced into an acute tooth, lower surface 

 of 2nd and 3rd also keeled, 4th (? 1st flagellar joint) nearly as long 

 as 2nd, 5th shorter than 4th, tipped with setae and with obscure 

 indications of a minute 6th joint. 



Mouth-parts in not aborted. 



Epistome not very prominent. 



Lower lip, lobes rather narrow ovate, apices subacute. 



Mandibles normal, cutting-edges bifid, a strong secondary cutting- 

 edge in left. 



Maxilla (1), outer plate with 8-9 spines. 



