by Rev. T. R. R. Stebbing. 79 
PLATE XI. 
Exhyalella natalensis, Stebbing. 
ns. Line indicating approximate length of a male specimen ; a female 
of nearly the same size figured below. 
a.s.,a.i. First and second antennz of the male. 
m., mx. 1, mx. 2, mxp. Mandible, first and second maxilla, and maxilliped 
of the male, more highly magnified than the other details. 
Sek eran: 2. sons dG en. 2.63 prp) 26. prps soc. First. and 
second gnathopods, and third perzeopod of female; first 
and second gnathopods, and second perzopod of male. 
urp. 2, urp. 3, T. Second and third uropods, and telson of the male. 
PLATE XII. 
Chetriphotis walkert, sp. nov. 
n.s. Line indicating natural size of the specimen roughly sketched 
below, outline of head and side-plates obscure, perzopods 
2, 3, 4 not shown. 
a.s.,a.i. First and second antenne. 
gn. 1, gn. 2; gn. 2, juv. The first and second gnathopods of adult male ; 
finger and palm of second gnathopod of young male. 
pip. 1; prp: o: | Eicst pereopod and proximal joints of fifth. 
l.s., 1.i., m., mx, 1., mx. 2.,mxp. Upper and lower lips, mandible, first and 
second maxille, and maxilliped. 
T., urp. 2., urp. 3. Telson, with one second uropod and the third pair. The 
telson and uropod 3 are further magnified, uniformly with 
the mouth-organs. The other details are to a different but 
also uniform scale. 
