.IXTS. 



c Wheeler. - - Te: 

 snbdciitutiis Mayr. Arizona to California. 

 (Ifscrtoniiii Wheeler. Texas to Arizona. 

 californicus Buckl' - '1 \-xas and California. 



- \ar. I'stcl'iinins Pergande. Lower California. 



- subsp. l(igiin>dis Emery. California. 



Latrcille. Soutli Atlantic Stale>. 

 Wheeler.- Texas. 



sancti-hyacinthi \\'hceler. Texas. 



Subgenus Ephebomyrmex Wheeler. 



imbcrbicnlus Wheeler. Texas. 

 Wheeler. Arizona. 



Genus MYRMICA Latreille. 



mntica Emery. Northwestern States. 



bradlcyi Wheeler. California. 



punctiventris Roger. North Atlantic States. 



- subsp. pinctorum Wheeler. Middle Atlantic States. 

 ntbra L. snbsp. brcrinodis Emery. Colorado. 



- var. sulcinodoidcs Emery. Utah, Colorado, New Mexico. 



- var. fi-igida Forel. British Columbia. 



- var. -n'hy in peri Forel. British Columbia. 



- var. canadcnsis Wheeler. Northeastern States and Canada. 



- var. sitbalpina Wheeler. Colorado. 

 var. dccedcns Wheeler. Colorado. 



- var. brevispinosa Wheeler. Colorado. 



- subsp. Icvinodis Nyl. Mass. (Introduced.) 



var. bruesi Wheeler. Mass. (Introduced.) 



subsp. ncolevinodis Forel. New York. (Introduced.) 



subsp. champlaini Forel. Canada. 



subsp. scabrinodis Nyl. var. fracticornis Emery. Northeastern States. 



- var. sabulcti Meinert. Northern States. 



- var. schcncki Emery. -Northern States. 

 var. detritinodis Emery. Northern States. 



var. lobifrons Pergande. Alaska. 



- var. glacialis Forel. British Columbia. 



Genus LEPTOTHORAX Mayr. 

 Subgen. Leptothorax s. str. 



accrrornm Mayr. subsp. canadensis Provancher. Northern States and British 

 America. 



- var. yankcc Emery. Northwestern States. 



- var. kincaidi Pergande. -Alaska, 

 var. obscnnis Viereck. New York. 



hirticornis Emery. District of Columbia. 

 nniscontin Nyl. var. sordidus Wheeler.- Colorado. 

 provancheri Emery. Canada. 

 cmcrsoni Wheeler. New England. 



- subsp. glacialis Wheeler.- Colorado. 

 schaiimi Roger. Atlantic States. 

 i<-fiiidis Mayr. Atlantic States. 



- var. mclanoticiis Wheeler. Illinois. 



- var. gilrus Wheeler. Texas. 



