Vol. VI] FERRIS— ANOPLURA 181 



Thorax and abdomen thickly beset with spines or with spines 

 and deHcate scales. Occurring only on marine mammals. 



Subfamily Echin ophthiriin ce 



Enderlein, Deut. Siidpolar Exp., Vol. 10, p. 506 (1909). 

 Antennae four-segmented. Abdomen thickly beset with 

 spines but without scales. 



Genus Echinophthirius Giebel 



Giebel, Zeitschrift f. ges. Naturw., Vol. 37, p. 177 (1871) ; 

 Piaget, Les Fed., p. 656 (1880); Dalla Torre, Gen. Ins., 

 Anopl, p. 17 (1908) ; Enderlein, Zool. Anz., Vol. 28, p. 137 

 (1904} ; Ibid., Vol. 29, p. 661 (1906) ; Deut. Siidpolar Exp., 

 Vol. l6, p. 507 (1909). 



Antennae four-segmented. Body without scales but thickly 

 beset with stout spines. 



From Pinnipedia. Type of the genus Echinophthirius 

 phoccB (Lucas), 



1 — Echinophthirius grocnlandicus (Becker). From Phoca 

 grocnlandica (Jan Mayen Island). 



1886. Echinophthirius groenlandicus Becker, Oster- 

 reichische Polarforschung, Vol. 3, Ins. von Jan 

 Mayen, p. 60; pi. 5, f. 1-la. 



1908. Echinophthiriits groenlandicus Dalla Torre, 

 Gen. Ins., Anopl., p. 17. 



1909. Echinophthirius grocnhindiciis Enderlein, Deut. 

 Siidpolar Exp., Vol. 10, p. 507. 



2 — Echinophthirius phoccE (Lucas). Type from (?) Phoca 

 vitulina (Europe). Also from P. grocnlandica, P. varie- 

 gata (Atlantic Ocean), "harbor seals" (Aquarium, New 

 York City), and "see hunde" (Helgoland). 



1834. Pediculus phoccc Lucas, Mag. Zool. Ins., p. 121 ; 



pi. 12, f. 1. 

 1842. Hcomatopinus sctosus Denny, Mon. Anopl., p. 



36. 

 1857. Hccniatopinus annulatus Schilling, Arch. f. 

 Naturgesc, Vol. 23, p. 281. 



