December, '09] JOURNAL OP ECONOMIC ENTOMOLOGY 425 



Ixodes texanus (Banks, 1909). 

 Type locality: Texas. Type in the B. E. collection. 

 Texas. 



Margaropus annulatus (Say, 1821). 

 Type locality; Florida. Type lost. 



District of Columbia (accidental), Virginia, North Carolina, South 

 Carolina, Georgia, Florida, Michigan (accidental), Illinois (acci- 

 dental), Kentucky, Tennessee, Alabama, Mississippi, Missouri, Ar- 

 kansas, Louisiana, Kansas (accidental), Oklahoma, Texas, New Mex- 

 ico, Arizona, California, Mexico, Cuba. 



Ornithodoros coriaceus (Koch, 1844). 

 Type locality: Mexico. 

 California, Mexico, Paraguay. 



Ornithodoros MEGNiNi (Duges, 1883). 

 Type locality : Mexico. 



Kentucky, Iowa, Louisiana, Nebraska, Kansas, Oklahoma, Texas, 

 New Mexico, Idaho, Nevada, Arizona, California, ]\lexico, Brazil. 



Ornithodoros TALAJE (Guerin, 1849). 



Type locality: Guatemala. 



Florida, Texas, California, Mexico, Hawaii, Guatemala, Colombia, 

 Venezuela, Brazil, Chili. 



ornithodoros turicata (Duges, 1883). 



Type locality : Mexico. 



Florida, Texas, New Mexico, Arizona, California, Mexico, Hon- 

 duras, Jamaica, Venezuela. 



Rhipicephalus texanus (Banks, 1908). 

 Type locality: Texas. Types in the B. E. collection. 

 Texas, New Mexico?, Mexico, Panama, Haiti. 



While these lists come far from recording the actual distribution 

 of many of the species and include records of accidental distribution 

 of others, it is at once evident that they are more or less limited to 

 climatical zones, being most abundant in the Lower Austral and 

 Tropical Zones and least so in the Boreal Zone. M. annulatus, A. 

 cajennense, A. maculahim, D. nitens and A. mmiatus appear to be 

 limited to the Tropical and Lower Austral Zones; A. tuherculahmi 

 to the Tropical and Gulf Strip of the Lower Austral Zones, while 

 A. dissimile only occurs in the Tropical Zone. Our two species of 



