1952] 
Edwards — Mallophaga 
27 
Type host: Tyrannus tyr annus (Linn.), the Eastern 
Kingbird. 
Philopterus fusco-ventralis (Osborn) 
Docophorus fusco-ventralis Osborn, 1896, pp. 221-222. 
Two slides containing- seven adults and three immatures 
in good condition (MCZ 27842). 
Type host: Contopus virens (Linn.), the Eastern Wood 
Pewee. 
Philopterus osborni, nom. nov. 
Docophorus corvi Osborn, 1896, pp. 220-221. 
Three slides containing five adults and three immatures 
in good condition although uncleared. Since Clay and 
Hopkins 3 have designated Philopterus corvi as the correct 
name for Pediculus corvi Linn, from Corvus c. corax Linn., 
Osborn’s name must fall as a homonym (MCZ 27344) . 
Type host : Corvus brachyrhynchus Brehm, the Crow. 
Quadraceps boephilus (Kellogg) 
Nirmus boephilus Kellogg, 1896, New Mallophaga I, pp. 107- 
109. 
Nirmus parallelus Osborn, 1896, pp. 229-230. 
Three females on one slide, in good condition (MCZ 
27336). 
Type host: Charadrius vociferus Linn., the Killdeer. 
Picicola marginatulus (Harrison) 
Nirmus marginatus Osborn, 1896, p. 228. 
Degeeriella marginatulus Harrison 1916, Parasitology 9, p. 
117. Nomen novum. 
One slide with three adult females in good condition 
(MCZ 27339). 
Type host: Dryocopus pileatus (Linn.), the Pileated 
Woodpecker. 
3 1950. The Early Literature on Mallophaga. Bull. Brit. Mus. (Nat 
Hist.), Ent. Ser., 1(3): 231-233, figs. 6-9. 
