ECONOMIC ZOOLOGY — ENTOMOLOGY. 59 



origin of the majority of tlie sawflj- larvae is stilted to have been evident, as 

 hardly more tlian 0.2 ]>er cent of the sawtiies emerged were males. 



The larch sawfly (Lygseonematus erichsonii) in Minnesota, A. G. Ruggles 

 (Canad. Ent., Jf2 (1910), No. 3, pp. 93, 94). — Brief notes are presented upon the 

 occurrence of the larch sawfly which has become a veiy serious pest of tama- 

 racks in northern Minnesota. 



Some new and unrecorded endoparasites from Australian chickens, Geob- 

 GiNA SwECT (I' roc. Roy. .Soe. Victoria, n. scr., 23 (1910}, \o. 1, pp. 2-'f2-256, 

 pis. J). — Tlie species recorded from cliickens are Choanotcvnia infundibulum 

 which is fairly common in the suburbs of Melbourne, Davainea cesticiUus, 

 D. tetrugona, D. varians n. sp., Heterakis jjersj/iciUion- which was found in the 

 small intestine of 25 per cent of the fowls examined from Victoria, H. papu- 

 losa which appears to be common in fowls around Melbourne, H. maculosa, 

 Tricfiosoma r-ctUKum, and Oxj/spirura parvovum n. sp. which causes "worm in 

 the eye" in Queensland poultry. The last-mentioned species is extra-ocular, 

 like O. mansoni, occurring in numbers beneath the nicitating membrane; at 

 Cairns, North Queensland, it is very common, often being the source of serious 

 loss. 



A list of the motazoan parasites recorded to date from Galliis domesticus in 

 Australia is appended. 



The distribution of the Rocky Mountain spotted-fever tick, F. C. Bishopp 

 (U. S. Dcpt. Agr., Bur. Ent. Circ. 136, jyp. //. fig. 1). — The account here presented 

 of the distribution of Dennaccntor vcnustus is based on 815 lots obtained from 

 225 different localities in 10 States, the representation being as follows: Cali- 

 fornia 3, Colorado 15, Idaho 42, Montana 72, Nevada 11, New Mexico 2, Oregon 

 15, Utah 12, Washington 27, and Wyoming 26. 



" The northern part of the Rocky Mountain region in the United States is 

 the territory principally infested, but the river valleys and sagebrush plains to 

 the west are more or less heavily infested. Although the spotted-fever tick 

 occurs in the eastern edge of the Cascade Mountains, it does not appear to 

 exist in the main Cascade range, and has never been found to the west of the 

 divide formed by those mountains. It has been found in the western portion 

 of the Black Hills of South Dakota, and probably occurs throughout those 

 hills. There is Jio doubt that the spec-ies is common in southern British Colum- 

 bia and possibly eastern Alberta. Two females were collected ... at Kaslo, 

 British Columbia. . . . This tick does not seem to be limited particularly as 

 regards life zones. It appears to be most abundant in the Transition Zone, 

 but occurs cojumouly in the Canadian and Upper Sonoran Zones. It is probably 

 also to be found in the Iludsonian Zone. Specinjens have been collected at 

 various elevations from slightly over 500 ft. to nearly 9,000 ft. above sea level. 

 The species seems to reach its highest development and occur in greatest num- 

 bers between 3,000 and 5,000 ft." 



Attention is called to the fact that the abundance of this tick is greatly 

 influenced by the presence of numerous host animals as well as by the pro- 

 tection afforded by timber. The immature ticks were found to feed almost 

 exclusively on small mammals and adults on the large domestic animals. Men- 

 tion is made of the fact that the distribution of the ground squirrel subgenus 

 Colobotis corresponds very closely to the area in which the spotted-fever tick 

 occurs. 



Bird enemies of the Texas-fever tick and other ticks, W. L. McAtee {Auk, 

 28 [1911), No. 1, pp. 136-138) .—Th^ recent literature relating to the subject is 

 reviewed. It is stated that " in the course of stomach examinations by the 

 Biological Survey, the following birds have been found to eat ticks : Those eating 

 Texas-fe^er ticks are killdeer {Oxyechus vociferus) , upland plover {Bartrnmia 



