(HEWITT] CANADIAN TICKS 227 



time in waiting for host, ten days at each 



stage 30 days 



221 days 



These observations show that it is possible for /. angustus to 

 pass through the various stages of its development in seven months. 



Ixodes auritulus Neumann 

 Locality. 



Hawden (1914) records the species from Masset, Queen Charlotte 

 Islands, B.C. 

 Hosts. 



The following hosts in the above locality are recorded by 



Hawden {I.e.) : 

 Queen Charlotte Jay Cyanocitta stelleri carlottae. 

 Alaska Bald Eagle Haliœetus leucocephalus alascanus. 

 It is interesting to note that the previous records of this species 

 (Nuttall and Warburton 1911) are from the Straits of Magellan and 

 Tierra del Fuego, South America, the hosts in both cases being birds. 



Ixodes hexagonus Leech 

 Locality. 



Hadwen gives Mount Lehman, B.C. (Coll. 27-1-1911). 

 Hosts. 



Weasel (Hadwen 1912). 



Banks (1908) records the occurrence in Kansas of this species on 

 sheep, with which animals it may have been introduced. He also 

 records specimens from the rabbit. Nuttall and Warburton (1911) 

 record Scinnis sp. as a host in California. 



Ixodes hexagonus, var. cookei Packard 

 Localities. 



Calabogie, Ont. (Coll. R. M. Reid, v-1908, on dog). 



Hadwen collected this species at Mount Lehman, B.C., on dog 

 in 1913. 



Banks (1908) gives Guelph, Ont. (Coll. T. D. Jarvis). 

 Hosts. 



Dog. 



This species appears to be identical with the variety longispinosus 

 of Neumann (1901) whose specimens were found on the following 

 hosts in the United States: Lutra, Mustela, sheep (Texas); Sper- 



