Some Ectoparasites in the South African Museum. 305 



anterior angles of which issue two well-marked bands which sweep 

 forward, coming to the edge of the head at the base of the 1st 

 antennal joint and thence continuing merged with the antennals 

 to the suture. 



Measurements of E. SIMPLEX. 



Head 



Prothorax 



Metathorax 



Abdomen 1-342 



Segment 4 1-028 1-400 



Total ... 2-828 3-42 



1 -140 -086 -100 -083 



12 -196 -046 -133 -043 



Antennae < 3 '093 -053 -066 '050 



4 -056 -040 -050 -043 



-066 -026 -063 -033 



adult and 1 nearly adult $ $ , 5 22,11 (?) imm. Diomedea 

 melanophrys (Mollymawk). 

 Majaqueus aequinoctialis (Cape Hen). 1901. Bonomi, coll. 



EURYMETOPUS TAURUS, N. 



Eurymetopus taurus, Nitzsch, in Giebel, Zeitschr. f. ges. Naturiv. 



vol. xxviii. p. 385 (1866). 



Diomedea sp. '? Tristan d'Acunha, 1904. P. Bonomi, coll. 

 The following from Diomedea exulans : 



(a) 2 $ $ , 2,5 imm. Inaccessible Island (Tristan 



d'Acunha), 1904. P. Bonomi, coll. 



(b) 9 3 3 , 21 2 ? , 51 imm. 



(c) 3 22,6 imm. 



(d) 3 , 2 2 ? , 6 imm. 



(b-d were sent from separate hosts 1912-1913.) 

 4 $ $ , 2,6 imm. Thalassogeron chlororrhynchus (Yellow-billed 



Albatross). Inaccessible Island, 1904. 



$ , and imm. Majaqueus aequinoctialis (Cape Hen). 1901. Bonomi, 

 coll. 



