1947] Hosts of Certain New York Ticks 179 
Mammals 
Short-tailed shrew, Blarina brevicauda aloga Bangs. — 
Dermacentor variabilis (1 1. off 1 shrew) ; Ixodes muris 
(4 n., 9 1. off 6 shrews). 
Long-tailed shrew, Corex parvus (Say) ( = cinereus 
True). — Dermacentor variabilis (1 1. off 1 shrew) ; 
Ixodes muris (6 1. off 1 shrew). 
Raccoon, Proeyon lotor lotor (Linnaeus). — Ixodes muris 
(1 n. off 1 raccoon). 
Skunk, Mephitis nigra (Peale and Beauvois). — Derma- 
centor variabilis (1 male, 3 females off 1 skunk) ; 
Ixodes muris (69 n. off 1 skunk). 
Red fox, Vulpes fulva (Desmarest). — Ixodes cookei (5 n. 
off 1 fox) ; Ixodes muris (29 n., 1 1. off 1 fox). 
Man (accidental host). — Ixodes muris (1 n., 1 1.) ; Ixodes 
scapularis (1 female). 
Chipmunk, Tamias striatus lysteri (Richardson). — 
Ixodes muris (54 n. off 2 chipmunks). 
Gray squirrel, Sciurus carolinensis carolinensis (Gmelin). 
Dermacentor variabilis (1 n. off 1 squirrel) ; Ixodes 
muris (125 n., 4 1. off 4 squirrels). 
White-footed or deer mouse, Peromyscus leucopus fusus 
Bangs. — Dermacentor variabilis (17 n., 29 1. off 22 
mice) ; Ixodes muris (138 n., 105 1. off 33 mice). 
Meadow mouse, field mouse, or vole, Microtus pennsyl- 
vanicus pennsylvanicus (Ord.) — Dermacentor varia- 
bilis (6 n., 3 1. off 9 mice) ; Ixodes muris (5 females, 15 
n., 12 1. off 10 mice). 
Eastern cottontail rabbit, Sylvilagus floridanus mearnsi 
(Allen). — Dermacentor variabilis (1 male, 2 females, 
1 n. off 3 rabbits) ; Hcemaphysalis leporis palustris (42 
males, 18 females, 13 n., 14 1. off 9 rabbits) ; Ixodes 
dentatus (9 males, 12 females, 15 n., 2 1. off 8 rabbits) ; 
Ixodes muris (66 n., 34 1. off 7 rabbits). 
Virginia deer, Odocoileus virginianus borealis (Miller). 
— Ixodes muris (18 n. off 1 deer). 
Dragged from the grass. — Dermacentor variabilis (1 fe- 
male) ; Ixodes scapularis (10 males, 4 females). 
During this survey Ixodes muris has been observed 
and recorded for the first time from the long-tailed shrew, 
